| corrigendum: the green peach aphid myzus persicae perform better on pre-infested chinese cabbage brassica pekinensis by enhancing host plant nutritional quality. | | 2017 | 28276455 |
| genome-wide analysis of auxin transport genes identifies the hormone responsive patterns associated with leafy head formation in chinese cabbage. | auxin resistant 1/like aux1 (aux/lax), pin-formed (pin) and atp binding cassette subfamily b (abcb/mdr/pgp) are three families of auxin transport genes. the development-related functions of the influx and efflux carriers have been well studied and characterized in model plants. however, there is scant information regarding the functions of auxin genes in chinese cabbage and the responses of exogenous polar auxin transport inhibitors (patis). we conducted a whole-genome annotation and a bioinform ... | 2017 | 28169368 |
| appropriate nh4+: no3- ratio improves low light tolerance of mini chinese cabbage seedlings. | in northwest of china, mini chinese cabbage (brassica pekinensis) is highly valued by consumers, and is widely cultivated during winter in solar-greenhouses where low light (ll) fluence (between 85 and 150 μmol m-2 s-1 in day) is a major abiotic stress factor limiting plant growth and crop productivity. the mechanisms with which various nh4+: no3- ratios affected growth and photosynthesis of mini chinese cabbage under normal (200 μmol m-2 s-1) and low (100 μmol m-2 s-1) light conditions was inve ... | 2017 | 28114905 |
| influence of road proximity on the concentrations of heavy metals in korean urban agricultural soils and crops. | the urban agricultural (ua) environment near active roadways can be degraded by traffic-related particles (i.e., exhaust gases and road dust), which may contain heavy metals. the current study investigated changes in heavy-metal [cadmium (cd), copper (cu), chromium (cr) nickel (ni), lead (pb) and zinc (zn)] concentrations in soils located near highly trafficked roads in korea and the subsequent uptake of these metals by chinese cabbage. heavy-metal plant concentrations were determined in both wa ... | 2017 | 27999877 |
| optimizing led lighting for space plant growth unit: joint effects of photon flux density, red to white ratios and intermittent light pulses. | the aim of this work were to choose a quantitative optimality criterion for estimating the quality of plant led lighting regimes inside space greenhouses and to construct regression models of crop productivity and the optimality criterion depending on the level of photosynthetic photon flux density (ppfd), the proportion of the red component in the light spectrum and the duration of the duty cycle (chinese cabbage brassica сhinensis l. as an example). the properties of the obtained models were d ... | 2016 | 27993191 |
| agrobacterium-mediated transient expression via root absorption in flowering chinese cabbage. | because most transient transformation techniques are inadequate for functional genomics research in roots, we aimed to develop a simple and efficient agrobacterium-mediated transient transformation system that utilized root absorption for research in flowering chinese cabbage. | 2016 | 27818863 |
| production of chlorothalonil hydrolytic dehalogenase from agro-industrial wastewater and its application in raw food cleaning. | to reduce the fermentation cost for industrialization of chlorothalonil hydrolytic dehalogenase (chd), agro-industrial wastewaters including molasses, corn steep liquor (csl) and fermentation wastewater were used to substitute for expensive carbon and nitrogen sources and fresh water for lab preparation. | 2017 | 27718236 |
| genome-wide identification and characterization of gras transcription factors in sacred lotus (nelumbo nucifera). | the gras gene family is one of the most important plant-specific gene families, which encodes transcriptional regulators and plays an essential role in plant development and physiological processes. the gras gene family has been well characterized in many higher plants such as arabidopsis, rice, chinese cabbage, tomato and tobacco. in this study, we identified 38 gras genes in sacred lotus (nelumbo nucifera), analyzed their physical and chemical characteristics and performed phylogenetic analysi ... | 2016 | 27635351 |
| aptamer contained triple-helix molecular switch for rapid fluorescent sensing of acetamiprid. | in this study, an aptamer-based fluorescent sensing platform using triple-helix molecular switch (thms) was developed for the pesticide screening represented by acetamiprid. the thms was composed of two tailored dna probes: a label-free central target specific aptamer sequence flanked by two arm segments acting as a recognition probe; a hairpin-shaped structure oligonucleotide serving as a signal transduction probe (stp), labeled with a fluorophore and a quencher at the 3' and 5'-end, respective ... | 2016 | 27591592 |
| effects of ni/fe bimetallic nanoparticles on phytotoxicity and translocation of polybrominated diphenyl ethers in contaminated soil. | in vivo studies of the interactions of polybrominated diphenyl ethers (pbdes) in plants have generally focused on uptake, translocation, metabolism and accumulation, but there were limited reports about the phytotoxicity and translocation of pbdes in contaminated soil with the effects of nanoparticles. in this study, the effects of ni/fe bimetallic nanoparticles on translocation of polybrominated diphenyl ethers (pbdes) in contaminated soil and its phytotoxicity to chinese cabbage were investiga ... | 2016 | 27501310 |
| improving prediction of metal uptake by chinese cabbage (brassica pekinensis l.) based on a soil-plant stepwise analysis. | it is crucial to develop predictive soil-plant transfer (spt) models to derive the threshold values of toxic metals in contaminated arable soils. the present study was designed to examine the heavy metal uptake pattern and to improve the prediction of metal uptake by chinese cabbage grown in agricultural soils with multiple contamination by cd, cu, ni, pb, and zn. pot experiments were performed with 25 historically contaminated soils to determine metal accumulation in different parts of chinese ... | 2016 | 27450258 |
| effects of a pre-filter and electrolysis systems on the reuse of brine in the chinese cabbage salting process. | in this study, the effects of a pre-filter system and electrolysis system on the safe and efficient reuse of brine in the cabbage salting process were investigated. first, sediment filter-electrolyzed brine (sf-eb) was selected as brine for reuse. then, we evaluated the quality and microbiological properties of sf-eb and chinese cabbage salted with sf-eb. the salinity (9.4%) and ph (4.63) of sf-eb were similar to those of control brine (cb). sf-eb turbidity was decreased (from 0.112 to 0.062) an ... | 2016 | 27390732 |
| transcriptomic and proteomic analyses provide new insights into the regulation mechanism of low-temperature-induced leafy head formation in chinese cabbage. | in chinese cabbage, leafy head-related traits are directly related to the cabbage yield and marketability, which are often primarily concerned target for breeders. although intensive studies has been on head formation in chinese cabbage in the past decade, very scanty information is available on mechanism involved in the head formation under the influence of low temperature at transcriptome and proteome perspective. in this study, quantitative expression profiling based on rna-seq transcriptome ... | 2016 | 27216644 |
| interactions of sulfate with other nutrients as revealed by h2s fumigation of chinese cabbage. | sulfur deficiency in plants has severe impacts on both growth and nutrient composition. fumigation with sub-lethal concentrations of h2s facilitates the supply of reduced sulfur via the leaves while sulfate is depleted from the roots. this restores growth while sulfate levels in the plant tissue remain low. in the present study this system was used to reveal interactions of sulfur with other nutrients in the plant and to ascertain whether these changes are due to the absence or presence of sulfa ... | 2016 | 27200018 |
| evaluation of the effects of different liquid inoculant formulations on the survival and plant-growth-promoting efficiency of rhodopseudomonas palustris strain ps3. | biofertilizers can help improve soil quality, promote crop growth, and sustain soil health. the photosynthetic bacterium rhodopseudomonas palustris strain ps3 (hereafter, ps3), which was isolated from taiwanese paddy soil, can not only exert beneficial effects on plant growth but also enhance the efficiency of nutrient uptake from applied fertilizer. to produce this elite microbial isolate for practical use, product development and formulation are needed to permit the maintenance of the high qua ... | 2016 | 27150383 |
| [effect of nano zeolite on chemical fractions of cd in soil and its uptake by cabbage]. | incubation experiments were carried out to investigate the influence of different nano zeolite (nz) and ordinary zeolite (oz) levels(0, 5, 10 and 20 g · kg⁻¹) on the change trends in fraction distribution coefficient (fdc) of cd when exposed to different cadmium (cd) levels (1, 5, 10 and 15 mg · kg⁻¹), and pot experiments were carried out to investigate their influence on soil cd fraction and cd uptake by cabbage. the results in incubation experiments showed that the application of nano zeolite ... | 2015 | 27012003 |
| isolation of broad-specificity domain antibody from phage library for development of pyrethroid immunoassay. | an antibody to phenoxybenzoic acid (pba), the conserved chemical region of pyrethroids, was developed using a domain antibody (dab) library to enable pyrethroid detection in agricultural products. the dab library, constructed without animal immunization and based on a human vh framework, displayed repertoires on filamentous bacteriophage. after four rounds of panning, we obtained five domain antibodies that are capable of binding to pba. antibody a3 has strong identification capability to cyperm ... | 2016 | 26965575 |
| erratum to: genome-wide analysis and expression patterns of zf-hd transcription factors under different developmental tissues and abiotic stresses in chinese cabbage. | | 2016 | 26965506 |
| molecular and cellular characteristics of hybrid vigour in a commercial hybrid of chinese cabbage. | heterosis or hybrid vigour is a phenomenon in which hybrid progeny exhibit superior performance compared to their parental inbred lines. most commercial chinese cabbage cultivars are f1 hybrids and their level of hybrid vigour is of critical importance and is a key selection criterion in the breeding system. | 2016 | 26882898 |
| ammonia volatilization from a chinese cabbage field under different nitrogen treatments in the taihu lake basin, china. | ammonia (nh3) volatilization is a major pathway of nitrogen (n) loss from soil-crop systems. as vegetable cultivation is one of the most important agricultural land uses worldwide, a deeper understanding of nh3 volatilization is necessary in vegetable production systems. we therefore conducted a 3-year (2010-2012) field experiment to characterize nh3 volatilization and evaluate the effect of different n fertilizer treatments on this process during the growth period of chinese cabbage. ammonia vo ... | 2015 | 26702964 |
| risk assessment for pesticides' mrl non-compliances in poland in the years 2011-2015. | human exposure to trace levels of pesticide residues present in food of plant origin is inevitable as long as pesticides continue to be applied in agriculture. since maximum residue levels (mrl) are not toxicological endpoint values, their violation is not by default equivalent to health risk for consumers. however, its essential to provide a health- based risk assessment for each case of mrl non-compliance reported during monitoring and official control of foodstuffs. | 2015 | 26656412 |
| dissipation kinetics of emamectin benzoate and lufenuron residues in cabbage grown under field conditions. | residue analysis of emamectin benzoate and lufenuron in cabbage matrices and soil was developed using a quick, easy, cheap, effective, rugged, and safe (quechers) method and ultra high-performance liquid chromatography tandem mass spectrometry (uplc-ms/ms). the samples were extracted with 1% acetic acid in acetonitrile (v/v) or 1% acetic acid in acetonitrile/water (5:1, v/v) and cleaned up by dispersive solid-phase extraction. mean recoveries and relative standard deviations (rsds) in all sample ... | 2015 | 26590145 |
| remediation and phytotoxicity of decabromodiphenyl ether contaminated soil by zero valent iron nanoparticles immobilized in mesoporous silica microspheres. | polybrominated diphenyl ethers (pbdes) are a new class of environmental pollutants which easily accumulated in the soil, especially at e-waste sites. however, knowledge about their phytotoxicity after degradation is not well understood. nano zero valent iron (nzvi) immobilized in mesoporous silica microspheres covered with feooh (sio2@feooh@fe) synthesized in this study was utilized to remove decabromodiphenyl ether (bde209) from soil. results revealed that the removal efficiency of bde209 can b ... | 2016 | 26560640 |
| writing sensors on solid agricultural products for in situ detection. | this study reports on direct analysis of agricultural products. an easy and environmentally friendly method for the fabrication of electrochemical sensors on solid samples is developed, and it enables in situ detection of electroactive molecules without sample extraction. fabrication of the sensor involves writing two electrode inks on the sample. the inks are made by mixing chitosan with graphite powder (2:1, v/w) and silver powder (1:2, v/w), respectively. the written electrode can become soli ... | 2015 | 26455570 |
| role of xylo-oligosaccharides in protection against salinity-induced adversities in chinese cabbage. | soil salinity is a stringent abiotic constraint limiting crop growth and productivity. the present study was carried out to appraise the role of xylo-oligosaccharides (xoss) in improving the salinity tolerance of chinese cabbage. salinity stress (0.5% nacl solution) and four levels (0, 40, 80, 120 mg l(-1)) of xoss were imposed on 20-day-old plants cultured under controlled conditions. salinity stress decreased the aboveground fresh biomass, photosynthesis, transpiration rate, stomatal conductan ... | 2016 | 26358207 |
| comparison of glucosinolate profiles in different tissues of nine brassica crops. | glucosinolate (gsl) profiles and concentrations in various tissues (seeds, sprouts, mature root, and shoot) were determined and compared across nine brassica species, including cauliflower, cabbage, broccoli, radish, baemuchae, pakchoi, chinese cabbage, leaf mustard, and kale. the compositions and concentrations of individual gsls varied among crops, tissues, and growth stages. seeds had highest total gsl concentrations in most of crops, whereas shoots had the lowest gsl concentrations. aliphati ... | 2015 | 26334264 |
| pyrolysis and gasification of typical components in wastes with macro-tga. | the pyrolysis and gasification of typical components of solid waste, cellulose, hemicellulose, lignin, pectin, starch, polyethylene (pe), polystyrene (ps), polyvinyl chloride (pvc) and poly(ethylene terephthalate) (pet) were performed and compared in a macro thermogravimetric analyzer (macro-tga). three model biomasses, poplar stem, orange peel and chinese cabbage, were applied to pyrolysis and gasification simulation by their components based on tg curves. compared to those from tga, peaks temp ... | 2015 | 26318422 |
| effects of low temperature on mrna and small rna transcriptomes in solanum lycopersicoides leaf revealed by rna-seq. | the plant low temperature tolerance mechanisms have been studied in the arabidopsis, tomato, solanum commersonii, solanum tuberosum, chorispora bungeana, and chinese cabbage at the transcriptional level. some genome-wide works to identify cold-regulated genes, but no comprehensive research of the solanum lycopersicoides transcriptome under low temperature stress have been performed. s. lycopersicoides is more freeze-tolerant than the cultivated tomato. we analyzed the low temperature transcripto ... | 2015 | 26187671 |
| defining the rna-binding glycine-rich (rbg) gene superfamily: new insights into nomenclature, phylogeny, and evolutionary trends obtained by genome-wide comparative analysis of arabidopsis, chinese cabbage, rice and maize genomes. | rna-binding glycine-rich (rbg) proteins play diverse roles in plant growth, development, protection and genome organization. an overly broad definition for class iv glycine-rich proteins (grps), namely rna-binding activity and a glycine-rich c-terminus, has resulted in many distantly related and/or non-related proteins being grouped into this class of rbgs. this definition has hampered the study of rbg evolution. in this study, we used a comparative genomic approach consisting of ortholog, homol ... | 2015 | 26123085 |
| screening of cd-safe genotypes of chinese cabbage in field condition and cd accumulation in relation to organic acids in two typical genotypes under long-term cd stress. | a 65-day field experiment was conducted to select cadmium (cd)-safe genotypes (csgs) among 21 chinese cabbage genotypes in a low cd-contaminated soil (0.66 mg kg(-1)). seven csgs were identified based on their cd tolerance, shoot cd concentrations, cd enrichment factors (efs), and translocation factors (tfs). then, beijingxin3, a typical csg, together with qiuxiang, a typical non-csg for comparison, was selected for a subsequent 80-day field micro-plot experiment under four levels of cd stress t ... | 2015 | 26081776 |
| a bare-eye based one-step signal amplified semiquantitative immunochromatographic assay for the detection of imidacloprid in chinese cabbage samples. | a novel bare-eye based one-step signal amplified semi-quantitative immunochromatographic assay (sas-ica) was developed for detection of the pesticide imidacloprid. this method was based on competitive immunoreactions. signal amplification was achieved by dual labeling of the test lines (tls) on the strip using high affinity nanogold-biotinylated anti-imidacloprid mab (bab) and nanogold-streptavidin (sa) probes. the relative color intensities of three tls (tl-i, tl-ii and tl-iii) on a nitrocellul ... | 2015 | 26041523 |
| simultaneous detection of imidacloprid and parathion by the dual-labeled time-resolved fluoroimmunoassay. | a highly sensitive direct dual-labeled time-resolved fluoroimmunoassay (trfia) to detect parathion and imidacloprid simultaneously in food and environmental matrices was developed. europium (eu(3+)) and samarium (sm(3+)) were used as fluorescent labels by coupling separately with l1-ab and a1p1-ab. under optimal assay conditions, the half-maximal inhibition concentration (ic50) and limit of detection (lod, ic10) were 10.87 and 0.025 μg/l for parathion and 7.08 and 0.028 μg/l for imidacloprid, re ... | 2015 | 25994268 |
| remediation and safe production of cd contaminated soil via multiple cropping hyperaccumulator solanum nigrum l. and low accumulation chinese cabbage. | multiple crop experiment of hyperaccumulator solanum nigrum l. with low accumulation chinese cabbage fenyuanxin 3 were conducted in a cadmium (cd) contaminated vegetable field. in the first round, the average removal rate of s. nigrum to cd was about 10% without assisted phytoextraction reagent addition for the top soil (0-20 cm) with cd concentration at 0.53-0.97 mg kg(-1) after its grew 90 days. as for assisted phytoextraction reagent added plots, efficiency of cd remediation might reach at 20 ... | 2015 | 25976879 |
| inhibition effects of chinese cabbage powder on aflatoxin b1-induced liver cancer. | in this study, 0.25 μg/ml aflatoxin b1 was used to establish a liver cancer model for assessing the potential anticancer ability of chinese cabbage powder, which is a complex water-soluble extract from chinese cabbage by spray-drying at an outlet temperature of 130 °c. we found at least 11 potential anticancer substances in chinese cabbage powder. a 90-d animal experiment demonstrated that 10% of chinese cabbage powder in drinking water could improve the plasma micronutrient status, inhibit the ... | 2015 | 25976785 |
| development of fluorescence sensing material based on cdse/zns quantum dots and molecularly imprinted polymer for the detection of carbaryl in rice and chinese cabbage. | a fluorescence sensing material based on quantum dots with excellent optical properties and molecularly imprinted polymer (qds@mip) with specific recognition has been developed. first the surface of cdse/zns qds was modified with ionic liquids (ils) by electrostatic interaction. the fluorescence sensing material was constructed from anchoring the mip layer on il modified cdse/zns qds by copolymerization, which had been developed for the detection of carbaryl in rice and chinese cabbage. the mip ... | 2015 | 25946094 |
| genome-wide identification of ssr and snp markers from the non-heading chinese cabbage for comparative genomic analyses. | non-heading chinese cabbage (nhcc), belonging to brassica, is an important leaf vegetable in asia. although genetic analyses have been performed through conventional selection and breeding efforts, the domestication history of nhcc and the genetics underlying its morphological diversity remain unclear. thus, the reliable molecular markers representative of the whole genome are required for molecular-assisted selection in nhcc. | 2015 | 25908429 |
| inhibitors for cholesterol ester accumulation in macrophages from chinese cabbage. | the cholesterol ester accumulates in macrophages in the early stage of atherosclerotic lesions, leading to the formation of foam cells. we examined the inhibitory effects of the crude extracts of 22 edible plants on foam cell formation and isolated nine chlorophyll derivatives as potent inhibitors from chinese cabbage. the results of the present study suggest that the chlorophyll derivatives contained in edible plants may be useful for the prevention and treatment of atherosclerosis. | 2015 | 25776101 |
| effects of the size and morphology of zinc oxide nanoparticles on the germination of chinese cabbage seeds. | the toxicity of four zinc oxide nanoparticles (i.e., spheric zno-30, spheric zno-50, columnar zno-90, and hexagon rod-like zno-150) to the seed germination of chinese cabbage (brassica pekinensis l.) was investigated in this study. the results showed that zinc oxide nanoparticles (nano-znos) did not affect germination rates at concentrations of 1-80 mg/l but significantly inhibited the root and shoot elongation of chinese cabbage seedlings, with the roots being more sensitive. the inhibition was ... | 2015 | 25724800 |
| genome-wide analysis of dof family transcription factors and their responses to abiotic stresses in chinese cabbage. | chinese cabbage is an important leaf vegetable that experienced long-term cultivation and artificial selection. dof (dna-binding one zinc finger) transcription factors, with a highly conserved dof domain, are members of a major plant-specific transcription factor family that play important roles in many plant biological processes. the dof family transcription factors, one of the most important families of transcriptional regulators in higher plants, are involved in massive aspects of plant growt ... | 2015 | 25636232 |
| [variety recognition of chinese cabbage seeds by hyperspectral imaging combined with machine learning]. | the variety of chinese cabbage seeds were recognized using hyperspectral imaging with 256 bands from 874 to 1,734 nm in the present paper. a total of 239 chinese cabbage seed samples including 8 varieties were acquired by hyperspectral image system, 158 for calibration and the rest 81 for validation. a region of 15 pixel x 15 pixel was selected as region of interest (roi) and the average spectral information of roi was obtained as sample spectral information. multiplicative scatter correction wa ... | 2014 | 25532356 |
| unusual tandem expansion and positive selection in subgroups of the plant gras transcription factor superfamily. | gras proteins belong to a plant transcription factor family that is involved with multifarious roles in plants. although previous studies of this protein family have been reported for arabidopsis, rice, chinese cabbage and other species, investigation of expansion patterns and evolutionary rate on the basis of comparative genomics in different species remains inadequate. | 2014 | 25524588 |
| berteroin present in cruciferous vegetables exerts potent anti-inflammatory properties in murine macrophages and mouse skin. | berteroin (5-methylthiopentyl isothiocyanate) is a sulforaphane analog present in cruciferous vegetables, including chinese cabbage, rucola salad leaves, and mustard oil. we examined whether berteroin exerts anti-inflammatory activities using lipopolysaccharide (lps)-stimulated raw 264.7 macrophages and 12-o-tetradecanoylphorbol-13-acetate (tpa)-induced mouse skin inflammation models. berteroin decreased lps-induced release of inflammatory mediators and pro-inflammatory cytokines in raw 264.7 ma ... | 2014 | 25393510 |
| multi-residue method for determination of 238 pesticides in chinese cabbage and cucumber by liquid chromatography-tandem mass spectrometry: comparison of different purification procedures. | this paper describes the comparison of five sample cleanup procedures for the determination of 238 pesticides via triple quadrupole liquid chromatography-tandem mass spectrometry (lc-ms/ms, with only 10 min of chromatographic running time) in chinese cabbage and cucumber. samples were extracted with a quick, easy, cheap, effective, rugged, and safe (quechers) preparation method and cleanup with different sorbents, including primary secondary amine (psa), multi-walled carbon nanotubes (mwcnts), a ... | 2014 | 25380470 |
| development of a modified quick, easy, cheap, effective, rugged and safe method for the determination of multi-class antimicrobials in vegetables by liquid chromatography tandem mass spectrometry. | a modified quick, easy, cheap, efficient, rugged and safe (quechers) method coupled with liquid chromatography tandem mass spectrometry (lc-ms/ms) was developed for rapid determination of 26 veterinary antimicrobials in vegetables. samples were extracted by single-phase extraction with acetonitrile-methanol (85:15, v/v) and citric buffer solution, followed by liquid-liquid partitioning with the addition of anhydrous magnesium sulfate and sodium chloride. a dispersive solid-phase extraction with ... | 2014 | 25311488 |
| determination of free diferulic, disinapic and dicoumaric acids in plants and foods. | hydroxycinnamates are common phenolic compounds of plants and plant foods, often found in substantial quantities. due to their high in vitro antioxidant activity they can easily be oxidized under oxidative conditions. in this study, we found that in vitro oxidation of coumaric, ferulic and sinapic acids resulted mainly in dimeric compounds. we hypothesized that these dimers are present in plants and plant foods not only in their bound form but also as free acids that can be extracted from non-hy ... | 2015 | 25308670 |
| field evidence of cadmium phytoavailability decreased effectively by rape straw and/or red mud with zinc sulphate in a cd-contaminated calcareous soil. | to reduce cd phytoavailability in calcareous soils, the effects of soil amendments of red mud, rape straw, and corn straw in combination with zinc fertilization on cd extractability and phytoavailability to spinach, tomato, chinese cabbage and radish were investigated in a calcareous soil with added cd at 1.5 mg kg-1. the results showed that water soluble and exchangeable cd in soils was significantly decreased by the amendments themselves from 26% to 70%, which resulted in marked decrease by ap ... | 2014 | 25303439 |
| speciation and phytoavailability of cadmium in soil treated with cadmium-contaminated rice straw. | when grown on cd-contaminated soil, rice typically accumulates considerable cd in straw, and which may return to the soil after harvest. this work was undertaken to assess the pollution risk of cd associated to the cd-contaminated rice straw after incorporating into an uncontaminated soil. with the cd-contaminated rice straw added at 0, 1, 2, 3, 4 and 5 % (w/w), an incubation experiment (28 days) with non-planting and a followed pot experiment sequent with two planting (rice and chinese cabbage, ... | 2015 | 25201694 |
| anaerobic digestion of chinese cabbage waste silage with swine manure for biogas production: batch and continuous study. | the aim of this study was to investigate the potential for anaerobic co-digestion of chinese cabbage waste silage (ccws) with swine manure (sm). batch and continuous experiments were carried out under mesophilic anaerobic conditions (36-38°c). the batch test evaluated the effect of ccws co-digestion with sm (sm: ccws=100:0; 25:75; 33:67; 0:100, % volatile solids (vs) basis). the continuous test evaluated the performance of a single stage completely stirred tank reactor with sm alone and with a m ... | 2014 | 25176305 |
| development of phage immuno-loop-mediated isothermal amplification assays for organophosphorus pesticides in agro-products. | two immuno-loop-mediated isothermal amplification assays (ilamp) were developed by using a phage-borne peptide that was isolated from a cyclic eight-peptide phage library. one assay was used to screen eight organophosphorus (op) pesticides with limits of detection (lod) between 2 and 128 ng ml(-1). the ilamp consisted of the competitive immuno-reaction coupled to the lamp reaction for detection. this method provides positive results in the visual color of violet, while a negative response result ... | 2014 | 25135320 |
| immobilization and phytotoxicity of chromium in contaminated soil remediated by cmc-stabilized nzvi. | the toxic effect of cr(vi)-contaminated soil remediated by sodium carboxymethyl cellulose stabilized nanoscale zero-valent iron (cmc-stabilized nzvi) was assessed through in vitro toxicity and phytotoxicity tests. in vitro tests showed that 0.09 g l(-1) of fe(0) nanoparticles (soil-to-solution ratio was 1 g:5 ml) significantly reduced the toxicity characteristic leaching procedure (tclp) leachability and physiological based extraction test (pbet) bioaccessibility of cr by 82% and 58%, respective ... | 2014 | 24880637 |
| determination of paraquat in vegetables using hplc-ms-ms. | a simple, sensitive, reliable and economical method was developed for the determination of paraquat (a widely used herbicide) in four edible vegetables (cabbage, lettuce, spinach and chinese cabbage) using high-performance liquid chromatography-tandem mass spectrometry (hplc-ms-ms). the samples were extracted with water under sonication and cleaned up by weak cation exchange solid-phase extraction. chromatographic separation of paraquat was achieved on a hydrophilic interaction liquid chromatogr ... | 2015 | 24850699 |
| milk prevents the degradation of daikon (raphanus sativus l.) isothiocyanate and enhances its absorption in rats. | epidemiological and experimental researches show that isothiocyanate (itc), a class of phytochemical compounds that imparts a characteristic biting taste and pungent odour to cruciferous vegetables, such as daikon (japanese white radish, raphanus sativus l. daikon group), broccoli, cabbage, and chinese cabbage, possesses anticancer and anti-inflammatory properties. the concentration of daikon itc, which degrades in aqueous solution, was measured in mixtures of daikon juice and water, corn oil, o ... | 2014 | 24837937 |
| [determination of four organophosphorus pesticides and their metabolites in vegetables using solid-phase extraction coupled with liquid chromatography tandem mass spectrometry]. | metabolites were 76.9%- 102.8%, the precision ranged from 5.92% to 10. 19%, the limits of quantification ranged from 0. 001 to 0. 01 mg/l, and the linear correlation coefficients were 0. 998 2-0. 999 9 in the range of 0. 01 -1. 00 mg/l. this method was applied in the analysis of chinese cabbages, hot peppers, tomatoes and onions from markets. this method can be applied in rapid detection of the organophosphorus pesticides and their metabolites in vegetables. metabolites were 76.9%-102.8%, the pr ... | 2014 | 24822447 |
| calcium involved in the poly(γ-glutamic acid)-mediated promotion of chinese cabbage nitrogen metabolism. | plant growth can reportedly be promoted by poly(γ-glutamic acid) (γ-pga). however, the underlying mechanism is unknown. to reveal the mechanism of γ-pga, we designed an experiment that investigated the effect of γ-pga on the nitrogen metabolism of chinese cabbage hydroponic cultured at different calcium (ca) levels and varied exogenous ca(2+) inhibitors. the results showed that nitrate reductase (nr), glutamine synthetase (gs), glutamate synthase, and glutamate dehydrogenase activities in leaves ... | 2014 | 24762787 |
| genome-wide identification, classification and expression analysis of the heat shock transcription factor family in chinese cabbage. | the hsf gene family, one of the most important transcription factor families, plays crucial roles in regulating heat resistance. however, a systematic and comprehensive analysis of this gene family has not been reported in chinese cabbage. therefore, systematic analysis of the hsf gene family in chinese cabbage has profound significance. in this study, 35 brhsf genes were identified from chinese cabbage, which could be classified into three groups according to their structural characteristics an ... | 2014 | 24609322 |
| complete genome sequence analysis identifies a new genotype of brassica yellows virus that infects cabbage and radish in china. | for brassica yellows virus (bryv), proposed to be a member of a new polerovirus species, two clearly distinct genotypes (bryv-a and bryv-b) have been described. in this study, the complete nucleotide sequences of two bryv isolates from radish and chinese cabbage were determined. sequence analysis suggested that these isolates represent a new genotype, referred to here as bryv-c. the full-length sequences of the two bryv-c isolates shared 93.4-94.8 % identity with bryv-a and bryv-b. further phylo ... | 2014 | 24599564 |
| effect of feed to microbe ratios on anaerobic digestion of chinese cabbage waste under mesophilic and thermophilic conditions: biogas potential and kinetic study. | the objective of this study was to investigate the effect of the feed-to-microbe (f/m) ratios on anaerobic digestion of chinese cabbage waste (ccw) generated from a kimchi factory. the batch test was conducted for 96 days under mesophilic (36.5 °c) (experiment i) and thermophilic (55 °c) conditions (experiment ii) at f/m ratios of 0.5, 1.0 and 2.0. the first-order kinetic model was evaluated for methane yield. the biogas yield in terms of volatile solids (vs) added increased from 591 to 677 ml/g ... | 2014 | 24412592 |
| [study of multi-residue method for determining pesticide residues in processed foods manufactured from agricultural products by lc-ms/ms]. | a rapid multi-residue method for determination of pesticide residues in processed foods manufactured from agricultural products was examined. five ml water was added to 5 g sample in a polypropylene tube, and the tube was left to stand at room temperature for 30 min. then, 20 ml acetonitrile was added to the sample. the mixture was homogenized in a high-speed homogenizer, followed by salting out with 1 g nacl and 4 g anhydrous mgso4. after centrifugation, the organic layer was purified on a grap ... | 2013 | 24389475 |
| bcrisp1, isolated from non-heading chinese cabbage, decreases the seed set of transgenic arabidopsis. | mitochondria are the energy sources of plant cells and are involved in regulating cell development. ubiquinol-cytochrome c reductase iron-sulfur protein, which is necessary for mitochondrial respiration, is a subunit of mitochondrial electron transport chain multimeric enzyme complexes. to better understand the biological function of the ubiquinol-cytochrome c reductase iron-sulfur protein, the full-length cdna of bcrisp1 was cloned; it was found to contain 810 base pairs and encode 269 amino ac ... | 2014 | 26504557 |
| development of a heterologous enzyme-linked immunosorbent assay for organophosphorus pesticides with phage-borne peptide. | an enzyme-linked immunosorbent assay (elisa) was developed to detect organophosphorus pesticides using a phage-borne peptide that was isolated from a cyclic 8-residue peptide phage library. the ic50 values of the phage elisa ranged from 1.4 to 92.1 μg l-1 for eight organophosphorus pesticides (parathion-methyl, parathion, fenitrothion, cyanophos, epn, paraoxon-methyl, paraoxon, fenitrooxon). the sensitivity was improved 120- and 2-fold compared to conventional homologous and heterologous elisa, ... | 2014 | 26290688 |
| sabre2: a database connecting plant est/full-length cdna clones with arabidopsis information. | the sabre (systematic consolidation of arabidopsis and other botanical resources) database cross-searches plant genetic resources through publicly available arabidopsis information. in sabre, plant expressed sequence tag (est)/cdna clones are related to tair (the arabidoposis information resource) gene models and their annotations through sequence similarity. by entering a keyword, sabre searches and retrieves tair gene models and annotations, together with homologous gene clones from various pl ... | 2014 | 24323624 |
| accumulation of heavy metals in leaf vegetables from agricultural soils and associated potential health risks in the pearl river delta, south china. | this study investigated the extent of heavy metal accumulation in leaf vegetables and associated potential health risks in agricultural areas of the pearl river delta (prd), south china. total concentrations of mercury (hg), cadmium (cd), lead (pb), chromium (cr) and arsenic (as) were determined in 92 pairs of soil and leaf vegetable (flowering chinese cabbage, lettuce, pakchoi, chinese cabbage, loose-leaf lettuce, and chinese leaf mustard) samples collected from seven agricultural areas (cities ... | 2014 | 24185814 |
| determination and study on dissipation and residue of bismerthiazol and its metabolite in chinese cabbage and soil. | a simple and accurate method for the determination of bismerthiazol and its metabolite 2-amino-5-mercapto-1,3,4-thiadiazole was developed in chinese cabbage and soil by high-performance liquid chromatography-diode array detection in this study. the limits of detection were 0.06 mg/kg for bismerthiazol and 0.03 mg/kg for 2-amino-5-mercapto-1,3,4-thiadiazole, respectively. recoveries of cabbage and soil were investigated at three spiking levels and were in the range of 84.0-96.0% for bismerthiazol ... | 2014 | 24065135 |
| sol-gel molecularly imprinted polymer for selective solid phase microextraction of organophosphorous pesticides. | a sol-gel technique was applied for the preparation of water-compatible molecularly imprinted polymer (mip) for solid phase microextraction (spme) using diazinon as template and polyethylene glycol as functional monomer. the mip-coated fiber demonstrated much better selectivity to diazinon and its structural analogs in aqueous cucumber sample than in distilled water, indicating its potential in real samples. thanks to its specific adsorption as well as rough and porous surface, the coating revea ... | 2013 | 24054683 |
| [accumulation law of epigoitrin in roots of isatis indigotica of different breed types]. | to study the distribution law of epigoitrin in roots of isatis indigotica of different breed types and provide a scientific basis for screening of high-quality isatis indigotica breed. | 2013 | 23901642 |
| [phytoavailability and chemical speciation of cadmium in different cd-contaminated soils with crop root return]. | pot experiments were conducted under greenhouse condition to investigate the effects of crop root return on succeeding crops growth, cd uptake and soil cd speciation in cd-contaminated soil and artificial cd-contaminated soil. the results showed that the amount of root residue returned to soil by corn and kidney bean growth successive for 3 times was 0.4%-1.1%. the cd returned to soil by root residue was 1.3%-3.5% to the total soil cd. there was no significant difference in the shoot dry weights ... | 2013 | 23668141 |
| copper toxicity in chinese cabbage is not influenced by plant sulphur status, but affects sulphur metabolism-related gene expression and the suggested regulatory metabolites. | the toxicity of high copper (cu) concentrations in the root environment of chinese cabbage (brassica pekinensis) was little influenced by the sulphur nutritional status of the plant. however, cu toxicity removed the correlation between sulphur metabolism-related gene expression and the suggested regulatory metabolites. at high tissue cu levels, there was no relation between sulphur metabolite levels viz. total sulphur, sulphate and water-soluble non-protein thiols, and the expression and activit ... | 2014 | 23648043 |
| development of an enzyme linked immunosorbent assay and an immunochromatographic assay for detection of organophosphorus pesticides in different agricultural products. | organophosphorus (op) pesticides are considered hazardous substances because of their high toxicity to nontarget species and their persistence in the environment and agricultural products. therefore, it is important to develop a rapid, sensitive, and economical method for detecting op pesticides and their residues in food and the environment. | 2012 | 23300869 |
| effects of red pepper powder on microbial communities and metabolites during kimchi fermentation. | to investigate the effects of red pepper powder on kimchi fermentation, baechu (chinese cabbage) and mu (radish) kimchi, with and without red pepper powder, were prepared and their characteristics, including ph, colony-forming units (cfu), microbial communities, and metabolites, were periodically monitored for 40days. measurements of ph and cfu showed that the lag phases of kimchi fermentation were clearly extended by the addition of red pepper powder. microbial community analysis using a barcod ... | 2013 | 23290232 |
| an online database for genome information of agricultural plants. | the integration-based genome database provides useful information through a user-friendly web interface that allows analysis of comparative genome for agricultural plants. we have concentrated on the functional bioinformatics of major agricultural resources, such as rice, chinese cabbage, rice mutant lines, and microorganisms. the major functions are focused on functional genome analysis, including genome projects, gene expression analysis, gene markers with genetic map, analysis tools for compa ... | 2012 | 23275706 |
| [plant traits and quality evaluation of different cultivation forms of isatis]. | to lay a foundation for the study on good variety selection of isatis indigotica, comparison of plant traits and quality evaluation of isatis germplasm resources from different production area was conducted. | 2012 | 23234133 |
| [rapid determination of pesticide multiresidues in vegetables and fruits by accelerated solvent extraction coupled with online gel permeation chromatography-gas chromatography-mass spectrometry]. | a novel method was developed for the rapid determination of 22 representative pesticide residues in vegetables and fruits based on accelerated solvent extraction (ase) coupled with online gel permeation chromatography-gas chromatography-mass spectrometry (gpc-gc-ms). the sample was extracted by accelerated solvent extraction with dichloromethane-acetone (1:1, v/v) and purified with a carbon/nh2 column, evaporated to dryness by nitrogen, then dissolved in cyclohexane-acetone (7:3, v/v), and final ... | 2012 | 23189658 |
| evaluation of antioxidant activity of leafy vegetables and beans with myoglobin method. | key message : antioxidant activity of seven leafy vegetables and four beans against five reactive oxygen species and reactive nitrogen species was clearly characterized with a protocol using myoglobin as a reporter probe. antioxidant activity of seven leafy vegetables and four beans against peroxyl radical, hydroxyl radical, hypochlorite ion, and peroxynitrite ion has been measured using myoglobin as a reporter probe (myoglobin method). conventional dpph method was also used to evaluate antioxid ... | 2013 | 23160640 |
| influence of pericarp, cotyledon and inhibitory substances on sharp tooth oak (quercus aliena var. acuteserrata) germination. | in order to explore the mechanism of delayed and uneven germination in sharp tooth oak (quercus aliena var. acuteserrata) (sto), mechanical scarification techniques were used to study sto root and shoot germination and growth. the techniques used were: removing cup scar (rs), removing the pericarp (rp), and cutting off 1/2 (hc) and 2/3 (tc) cotyledons. germination percentage and root and shoot length for chinese cabbage (beassica pekinensis) seeds (ccs) were also investigated for ccs cultivated ... | 2012 | 23133517 |
| batch anaerobic co-digestion of kimchi factory waste silage and swine manure under mesophilic conditions. | the objective of this study was to investigate the feasibility of anaerobic co-digestion of kimchi factory waste silage (kfws) with swine manure (sm). chinese cabbage (cc) is the major waste generated by a kimchi factory and kfws was prepared by mixing cc and rice bran (rb) (70:30 on a dry matter basis). in experiment i, the biogas potential of cc and rb were measured and, in experiment ii, the test was conducted with different ratios of kfws and sm (kfws: sm=0:100; 33:67; 67:33; 100:0 by% volat ... | 2012 | 23021949 |
| educational attainment and differences in fruit and vegetable consumption among middle-aged adults in the korean national health and nutrition examination survey iv. | we investigated whether socioeconomic differences affect fruit and vegetable (fv) consumption with respect to total intake and intake of various fv subgroups. our study included 6667 adults aged 40-64 years who completed a dietary survey in the fourth korean nhanes (2007-2009). fv intake was estimated from 24-hour recalls and food frequency questionnaires. differences in fv consumption related to educational attainment were analyzed according to different nutritional categories of fv. both men a ... | 2012 | 22808352 |
| in vitro suppression of growth of murine wehi-3 leukemia cells and in vivo promotion of phagocytosis in a leukemia mice model by indole-3-carbinol. | indole-3-carbinol (i3c), a potential anticancer substance, can be found in cruciferous (cabbage family) vegetables, mainly cauliflower and chinese cabbage. however, the bioactivity of i3c on the apoptotic effects of murine leukemia wehi-3 cells and promotion of immune responses in leukemia mice model are unclear. in this study, we investigated the effect of i3c on cell-cycle arrest and apoptosis in vitro and immunomodulation in vivo. i3c decreased the viable wehi-3 cells and caused morphological ... | 2012 | 22775144 |
| differences in the activity and concentration of elements of the antioxidant system in different layers of brassica pekinensis head. | differences in the activity of superoxide dismutase, catalase (cat) and ascorbate peroxidase (apx) as well as in the concentration of ascorbate, tocopherol and hydrogen peroxide (h₂o₂) were found in leaves from different layers of the chinese cabbage (brassica pekinensis (lour.) rupr.) head. the youngest chlorophyll-deficient leaves from the most inner layers of the cabbage head were characterized by a high concentration of ascorbate, high activity of iron superoxide dismutase (fesod), cooper/zi ... | 2012 | 22762792 |
| determination of streptomycin residue in cucumber and chinese cabbage by high-performance liquid chromatography with postcolumn derivatization and fluorometric detection. | a sensitive and accurate method was developed for the determination of streptomycin using hplc followed by postcolumn derivatization and fluorometric detection. the analyte was extracted, using aqueous solution from cucumber and chinese cabbage, by a two-step spe procedure. the extraction, cleanup, and chromatography conditions were optimized, and the performance of the analysis method was evaluated. the conditions of chromatography were as follows: the separation was performed on a c18 column; ... | 2013 | 22649941 |
| evaluation of struvite obtained from semiconductor wastewater as a fertilizer in cultivating chinese cabbage. | the present work evaluated the fertilizing value of struvite deposit recovered from semiconductor wastewater in cultivating chinese cabbage. the fertilizing effect of struvite deposit was compared with that of commercial fertilizers: complex, organic and compost. laboratory pot test results clearly showed that the growth of chinese cabbage was better promoted when the struvite deposit was used than with organic and compost fertilizers even though complex fertilizer was the most effective in grow ... | 2012 | 22572561 |
| agricultural potential of anaerobically digested industrial orange waste with and without aerobic post-treatment. | the potential of anaerobically digested orange waste with (aad) and without (ad) aerobic post-treatment for use in agriculture was evaluated through chemical analyses, short-term phytotoxicity and long-term plant assays. chemical analyses showed that ad contained ammonia and organic acids, and aerobic post-treatment did not significantly remove these phytotoxins. the n:p2o5:k2o ratio in ad was 1:0.26:0.96 and aerobic post-treatment did not change the composition in aad except for k2o (1:0.26:1.2 ... | 2012 | 22519091 |
| immobilizer-assisted management of metal-contaminated agricultural soils for safer food production. | production of food crops on metal contaminated agricultural soils is of concern because consumers are potentially exposed to hazardous metals via dietary intake of such crops or crop derived products. therefore, the current study was conducted to develop management protocols for crop cultivation to allow safer food production. metal uptake, as influenced by ph change-induced immobilizing agents (dolomite, steel slag, and agricultural lime) and sorption agents (zeolite and compost), was monitored ... | 2012 | 22446136 |
| the growth, photosynthesis and antioxidant defense responses of five vegetable crops to phenanthrene stress. | polycyclic aromatic hydrocarbons (pahs) are global environmental problem. to better understand the growth and physiological responses to atmospheric pahs, we investigated biomass, photosynthetic machinery and antioxidant system in pakchoi, cucumber, flowering chinese cabbage, tomato and lettuce under various levels of phenanthrene (phe) stress. foliar exposure to phe for 14d resulted in a dose dependent decrease in growth, photosynthesis and chlorophyll contents. with few exceptions, antioxidant ... | 2012 | 22401953 |
| study of matrix-induced effects in multi-residue determination of pesticides by online gel permeation chromatography-gas chromatography/mass spectrometry. | multi-residue determination of pesticides in a complex matrix by online gel permeation chromatography-gas chromatography/mass spectrometry (gpc-gc/ms) is increasingly concerned for its high throughput, efficiency and accuracy. study of matrix-induced suppression or enhancement of the instrument signals is important for the application of this technique. | 2012 | 22396034 |
| transcriptome analysis of rosette and folding leaves in chinese cabbage using high-throughput rna sequencing. | in this study, we report the first use of rna-sequencing to gain insight into the wide range of transcriptional events that are associated with leafy head development in chinese cabbage. we generated 53.5 million sequence reads (90 bp in length) from the rosette and heading leaves. the sequence reads were aligned to the recently sequenced chiifu genome and were analyzed to measure the gene expression levels, to detect alternative splicing events and novel transcripts, to determine the expression ... | 2012 | 22387604 |
| [mitigation of nitrous oxide emissions in vegetable system by treating soil with dicyandiamide, a nitrification inhibitor]. | undisturbed soil monolith lysimeter was used to investigate the effectiveness of dcd (dicyandiamide) in reducing n2o emissions in vegetable (chinese cabbage and pepper) field. results showed that dcd significantly reduced total n2o emission in vegetable field. total n2o emissions from the urea treatment without dcd reached 0.215 kg x hm(-2) for chinese cabbage, and it reduced to 0.109 kg x hm(-2), equivalent to a 49.3% reduction. the total n2o emissions for pepper were much higher compared with ... | 2011 | 22295611 |
| occurrence of stiretrus decastigmus (herrich-schaeffer) (hemiptera: pentatomidae) preying on microtheca semilaevis stal (coleoptera: chrysomelidae). | microtheca semilaevis stal is a phythophagous insect associated to brassicaceae, and frequently occurs with other species of beetles, such as microtheca ochroloma stal. despite its importance to organic farmers, there is no information in the brazilian literature about its natural enemies. stiretrus decastigmus (herrich-schaeffer) was first found and here reported preying an adult of m. semilaevis in chinese cabbage in santa maria, rs, brazil (29°43'28″s, 53°43'19″w). | 2012 | 23950015 |
| bacterial community analysis during fermentation of ten representative kinds of kimchi with barcoded pyrosequencing. | kimchi, a food made of fermented vegetables, is densely populated by indigenous microorganisms that originate from the raw ingredients under normal conditions. most microbiological studies on kimchi have been on the most popular dish, baechu-kimchi (chinese cabbage kimchi). therefore, relatively little is known about the various other kinds of kimchi (depending on the region, season, main ingredient, starter culture inoculation and recipe). in this study, we collected 100 samples periodically du ... | 2012 | 22265301 |
| molecular and functional properties of three different peroxiredoxin isotypes in chinese cabbage. | peroxiredoxins (prxs), which are classified into three isotypes in plants, play important roles in protection systems as peroxidases or molecular chaperones. the three prx isotypes of chinese cabbage, namely c1c-prx, c2c-prx, and c-prxii, have recently been identified and characterized. the present study compares their molecular properties and biochemical functions to gain insights into their concerted roles in plants. the three prx isotype genes were differentially expressed in tissue- and deve ... | 2012 | 22228209 |
| the integrated web service and genome database for agricultural plants with biotechnology information. | the national agricultural biotechnology information center (nabic) constructed an agricultural biology-based infrastructure and developed a web based relational database for agricultural plants with biotechnology information. the nabic has concentrated on functional genomics of major agricultural plants, building an integrated biotechnology database for agro-biotech information that focuses on genomics of major agricultural resources. this genome database provides annotated genome information fr ... | 2011 | 21887015 |
| evaluation of cadmium phytoremediation potential in chinese cabbage cultivars. | selecting a phytoextraction plant with moderate to high cd-accumulating ability and high biomass based on the plant's compatibility with mechanized cultivation techniques may yield more immediately practical results. in the present study, six chinese cabbage cultivars were grown in three soils, ranging from 0.15 to 2.25 mg cd kg(-1) soil, to examine uptake and translocation of cd in their tissues. the results indicated that the order of the shoot cd concentration values in the cultivars was as f ... | 2011 | 21739993 |
| the 1-cys peroxiredoxin, a regulator of seed dormancy, functions as a molecular chaperone under oxidative stress conditions. | peroxiredoxins are antioxidative enzymes that catalyze the reduction of alkyl hydroperoxides to alcohols and hydrogen peroxide to water. 1-cys peroxiredoxins (1-cys prxs) perform important roles during late seed development in plants. to characterize their biochemical functions in plants, a 1cys-prx gene was cloned from a chinese cabbage cdna library and designated as "c1c-prx". glutamine synthetase (gs) protection and hydrogen peroxide reduction assays indicated that c1c-prx was functionally ac ... | 2011 | 21683876 |
| probabilistic acute dietary exposure assessment of the chinese population to cypermethrin residues. | a probabilistic estimation of dietary exposure to cypermethrin residues for the chinese population was performed. cypermethrin residue data were obtained from the national food contamination monitoring program for 2001-2006, encompassing 14,096 samples from 36 commodities with a detection rate of 10.4%. food consumption data were gathered from the national nutrition and health survey conducted in 2002, comprising 65,915 consumers aged 2-100 years and 3701 children of 2-6 years old. the whole cou ... | 2011 | 21598132 |
| [effects of applying controlled-release fertilizer blended with conventional nitrogen fertilizer on chinese cabbage yield and quality as well as nitrogen losses]. | an open field experiment was conducted to study the effects of applying controlled-release fertilizer blended with rapidly available chemical n fertilizer on chinese cabbage yield and quality as well as nitrogen losses, including ammonia volatilization and no3- -n accumulation and leaching in beijing suburb. the results showed that a combined application of 2:1 controlled-release fertilizer and urea fertilizer (total n rate 150 kg x hm(-2)) did not induce the reduction of chinese cabbage yield, ... | 2010 | 21443002 |
| computational identification of genetic markers for selecting genes in rice and chinese cabbage. | the national academy of agricultural science (naas) has developed a web-based database system (http:/ /nabic.naas.go.kr) to provide information about genetic markers in rice. a subscriber is assisted in tracing any new structures of the chromosome and gene positional functions through comparisons by using specific qtl markers. a genetic linkage map database system was constructed by using 1054 markers (112 qtl markers included) in each of 12 chromosomes in rice. | 2010 | 21354967 |
| multi-residue analysis of pesticides in tea by online sec-gc/ms. | a multi-residue method for the analysis of pesticides in tea was developed by online size exclusion chromatography (sec)-gc/ms with full scan mode. the sample was fortified with chlorpyrifos-d(10) isotope internal standard and extracted by acetonitrile. after purification by primary secondary amine sorbent and solvent exchange by sec mobile phase, the sample was detected by online sec-gc/ms. the purification result of the online system was evaluated by comparing the correlation between chinese c ... | 2011 | 21246727 |
| comparison of polycyclic aromatic hydrocarbon uptake pathways and risk assessment of vegetables from waste-water irrigated areas in northern china. | atmospheric deposition is the dominant pathway for pah uptake by vegetables grown in peri-urban areas. different polycyclic aromatic hydrocarbon (pah) uptake pathways and the associated health risk were investigated in vegetable samples collected from the beijing-tianjin city cluster, china, where irrigation with waste or reclaimed water has been practised for many decades. sampling comprised 23 diverse sites and the roots and shoots of six types of vegetables. among the different edible vegetab ... | 2011 | 21161083 |
| vegetable and fruit intake and its relevance with serum osteocalcin and urinary deoxypyridinoline in korean adults. | the purpose of this study was to evaluate the daily vegetable and fruit intake status of korean adults and to examine the relationship of vegetable and fruit intake with bone metabolism. the vegetable and fruit intake of 542 healthy male and female adults was analyzed. then, by selecting 51 targets from the subjects, the relation of vegetable and fruit intake with serum calcium, osteocalcin and deoxypyridinoline (dpd) excretion in urine was examined. the total vegetable intake per day was 397.7 ... | 2010 | 21103089 |
| the phosphorylation of lipid transfer protein cambp10. | calmodulin-binding protein-10 (cambp10) was isolated previously from chinese cabbage and identified as a member of the lipid transfer protein family. in this study, we found that cambp10 was phosphorylated in a calcium(ca(2+))-dependent manner, and the phosphorylation was inhibited by calmodulin (cam) antagonists. in-gel kinase assay revealed that the phosphorylation of cambp10 was catalyzed by a 45 kda protein kinase, which underwent autophosphorylation in the presence of ca(2+). immunoblotting ... | 2011 | 20858199 |
| simultaneous determination of three acidic herbicide residues in food crops using hplc and confirmation via lc-ms/ms. | 2,4-d, dicamba and 4-cpa with auxin-like activity have been intensively used in agriculture, for the control of unwanted broadleaf weeds. an analytical method involving hplc coupled with uvd was developed for the simultaneous analysis of these three analytes in chinese cabbage, apple and pepper fruits (representative non-fatty samples) and brown rice and soybean (representative fatty samples) using liquid-liquid partitioning and column cleanup procedures. the residues were confirmed via tandem m ... | 2011 | 20842699 |