Publications
Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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the effects of chronic low-dose capsaicin treatment on substance p levels. | capsaicin, the pungent ingredient of red pepper, is consumed in varying amounts by many ethnic groups. it serves both therapeutically and as a specific tool to investigate sensory neurons. although effects of high capsaicin doses are well-established, systemic effects of chronic low-dose capsaicin exposure are unknown. sprague-dawley rats (21-day old) were injected with capsaicin (0.5 mg/kg, ip) for 6 and 19 days. changes in substance p (sp) levels of lung and skin were measured. two-step sequen ... | 2009 | 19000921 |
capsaicin, a component of red peppers, induces expression of androgen receptor via pi3k and mapk pathways in prostate lncap cells. | in this study, capsaicin (trans-8-methyl-n-vanillyl-6-nonenamide) induced an increase in the cell viability of the androgen-responsive prostate cancer lncap cells, which was reversed by the use of the trpv1 antagonists capsazepine, i-rtx and sb 366791. in further studies we observed that capsaicin induced a decrease in ceramide levels as well as akt and erk activation. to investigate the mechanism of capsaicin action we measured androgen (ar) receptor levels. capsaicin induced an increase in the ... | 2009 | 19059400 |
a foodborne outbreak of cryptosporidium hominis infection. | foodborne outbreaks of cryptosporidiosis are uncommon. in denmark human cases are generally infrequently diagnosed. in 2005 an outbreak of diarrhoea affected company employees near copenhagen. in all 99 employees were reported ill; 13 were positive for cryptosporidium hominis infection. two analytical epidemiological studies were performed; an initial case-control study followed by a cohort study using an electronic questionnaire. disease was associated with eating from the canteen salad bar on ... | 2009 | 19134228 |
capsaicin-induced apoptosis in human breast cancer mcf-7 cells through caspase-independent pathway. | capsaicin (trans-8-methyl-n-vanillyl-6-nonenamide), a significant pungent ingredient in a variety of red peppers of the genus capsicum, is a type of vanilloid. it has been shown to exert biological activities (anticarcinogenic, antimutagenic and chemopreventive) in many cancer cell lines. it was found that capsaicin induces dose-dependent growth inhibition of mcf-7 cells, which does not express caspase-3. in this study, we investigated the molecular mechanism of capsaicin-induced apoptosis in mc ... | 2009 | 19212624 |
effects of neolignans from the stem bark of magnolia obovata on plant pathogenic fungi. | to characterize antifungal principles from the methanol extract of magnolia obovata and to evaluate their antifungal activities against various plant pathogenic fungi. | 2009 | 19245403 |
kochujang, a korean fermented red pepper plus soybean paste, improves glucose homeostasis in 90% pancreatectomized diabetic rats. | red pepper and soybeans have been reported to modulate energy and glucose metabolism. however, the antidiabetic effect of kochujang, the fermented product of red pepper plus soybeans, has not been studied. we examined whether kochujang affected insulin secretion from beta-cells and/or peripheral insulin resistance in 90% pancreatectomized diabetic rats fed high-fat diets. | 2009 | 19251395 |
capsaicin-induced apoptosis in human hepatoma hepg2 cells. | capsaicin, a pungent ingredient of red pepper, has been reported to possess antitumor activities. in this study, the effects of capsaicin on human hepg2 cells were investigated. capsaicin reduced viability by pi incorporation in hepg2 cells in a dose and time dependent manner. capsaicin promoted intracellular ca2+ production and reactive oxygen species (ros). the alpha psi(m) significantly decreased after capsaicin treatment for 24 h. co-treatment of hepg2 cells with capsaicin and bapta (an intr ... | 2009 | 19331147 |
prevalence and toxigenic profiles of bacillus cereus isolated from dried red peppers, rice, and sunsik in korea. | bacillus cereus is a spore-forming foodborne pathogen responsible for diarrheal and emetic types of food poisoning. intoxication is caused by various enterotoxins or by emetic toxin. because of its widespread presence and the ability to form heat-stable endospores in a relatively short time, b. cereus has been difficult to control. in this study, 21 rice and 36 sunsik (a mixture of powdered raw grains) samples were examined for the prevalence of b. cereus. a multiplex pcr assay was used to evalu ... | 2009 | 19343947 |
pepper chat fruit viroid: biological and molecular properties of a proposed new species of the genus pospiviroid. | in autumn 2006, a new disease was observed in a glasshouse-grown crop of sweet pepper (capsicum annuum l.) in the netherlands. fruit size of the infected plants was reduced up to 50%, and plant growth was also slightly reduced. here we show that the disease is caused by a previously non-described viroid. the pepper viroid is transmitted by both mechanical inoculation and pepper seeds and, when inoculated experimentally, it infects several solanaceous plant species inducing vein necrosis and redu ... | 2009 | 19442691 |
effect of nisin (nisaplin) on the growth of listeria monocytogenes in karashi-mentaiko (red-pepper seasoned cod roe). | the influence of nisaplin, which contains 2.5% nisin, on the growth of listeria monocytogenes in karashi-mentaiko (red-pepper seasoned cod roe) was investigated. the mics of nisaplin for l. monocytogenes (10(8) cfu/ml) were measured; seven isolates showed a value of 1,600 microg/ml and one isolate showed a value of 800 microg/ml. all l. monocytogenes isolates had a mic of 800 microg/ml at 10(6) cfu/ml. the number of l. monocytogenes in karashi-mentaiko stored at 4 degrees c was decreased by nisa ... | 2009 | 19745585 |
hla-b27 subtypes in patients with spondylarthropathies, ige levels against some allergens and their relationship to the disease parameters. | in suitable genetic backgrounds, some exogenous and/or endogenous antigens may cause spa. in this study, we investigated hla b27 subtypes and its relationship to some allergens and clinical findings in a group of spa patients. forty-eight patients (19f, 29m) with spa (27 with ankylosing spondylitis, 5 with reactive arthritis, 15 undifferentiated and 1 with psoriatic arthritis) were included to the study. hla-b alleles have been assessed using the lipa (line probe assay) reverse hybridization pri ... | 2009 | 19750986 |
[effects of grafting on photosynthesis of sweet pepper seedlings under low temperature and weak light intensity]. | sweet pepper 'chifengtexuan' seedlings were grafted onto 'weishi' and 'buyeding' rootstocks, treated with low temperature (8 degrees c/ 5 degrees c) and weak light intensity (100 micromol x m(-2) s(-1)) for 7 days, and then recovered under normal conditions (25 degrees c/ 18 degrees c, pfd 550-600 micromol x s(-1)) for 3 days to study the variations of their gas exchange parameters, carboxylation efficiency, and fluorescence parameters, with the own-rooted 'chifengtexuan' seedlings as the contro ... | 2009 | 19637597 |
potential new insecticides for the control of western flower thrips (thysanoptera: thripidae) on sweet pepper, tomato, and lettuce. | new pesticides are required to maintain effective resistance management strategies for control of western flower thrips, frankliniella occidentalis (pergande) (thysanoptera: thripidae). we tested the efficacy of acetamiprid, and thiamethoxam, two neonicotinoids that represent a newer class of insecticides for the control of thrips. we also tested chlorfenapyr, a pyrrol compound, and a lower than registered rate of the biopesticide spinosad. laboratory bioassays were used to predict the relative ... | 2009 | 19449645 |
effects of capsaicin, green tea and ch-19 sweet pepper on appetite and energy intake in humans in negative and positive energy balance. | bioactive ingredients have been shown to reduce appetite and energy intake. the magnitude of these effects might depend on energy balance why it was investigated how capsaicin, green tea, ch-19 sweet pepper as well as green tea and capsaicin affect appetite and energy intake during respectively negative and positive energy balance. | 2009 | 19345452 |
development of a multi-mycotoxin liquid chromatography/tandem mass spectrometry method for sweet pepper analysis. | a multi-mycotoxin method was developed for the simultaneous determination of trichothecenes (nivalenol, deoxynivalenol, 3-acetyldeoxynivalenol, 15-acetyldeoxynivalenol, neosolaniol, fusarenon-x, diacetoxyscirpenol, ht-2 toxin, t-2 toxin), aflatoxins (aflatoxin-b(1), aflatoxin-b(2), aflatoxin-g(1) and aflatoxin-g(2)), alternaria toxins (alternariol, alternariol methyl ether and altenuene), fumonisins (fumonisin-b(1), fumonisin-b(2) and fumonisin-b(3)), ochratoxin a, zearalenone, beauvericin and s ... | 2009 | 19051227 |
microbial quality and bioactive constituents of sweet peppers from sustainable production systems. | integrated, organic, and soil-less production systems are the principal production practices that have emerged to encourage more sustainable agricultural practices and safer edible plants, reducing inputs of plaguicides, pesticides, and fertilizers. sweet peppers grown commercially under integrated, organic, and soil-less production systems were compared to study the influence of these sustainable production systems on the microbial quality and bioactive constituents (vitamin c, individual and t ... | 2008 | 18991450 |
inhibitory effect of capsaicin on b16-f10 melanoma cell migration via the phosphatidylinositol 3-kinase/akt/rac1 signal pathway. | capsaicin (trans-8-methyl-n-vanillyl-6-nonenamide), the major pungent ingredient of red pepper, has been reported to possess anti-carcinogenic and anti-mutagenic activities. in this study, the anti-migration activity of capsaicin on highly metastatic b16-f10 melanoma cells was investigated. capsaicin significantly inhibited the migration of melanoma cells without showing obvious cellular cytotoxicity at low doses. this effect correlated with the down-regulation of phosphatidylinositol 3-kinase ( ... | 2008 | 18985006 |
sodium borohydride/chloranil-based assay for quantifying total flavonoids. | a novel sodium borohydride/chloranil-based (sbc) assay for quantifying total flavonoids, including flavones, flavonols, flavonones, flavononols, isoflavonoids, flavanols, and anthocyanins, has been developed. flavonoids with a 4-carbonyl group were reduced to flavanols using sodium borohydride catalyzed with aluminum chloride. then the flavan-4-ols were oxidized to anthocyanins by chloranil in an acetic acid solution. the anthocyanins were reacted with vanillin in concentrated hydrochloric acid ... | 2008 | 18798633 |
monitoring of organophosphorus pesticide residues in vegetables of agricultural area in venezuela. | the purpose of this study was to determine the residues of seven pesticides organophosphorus (methamidophos, diazinon, chlorpyriphos, parathion-methyl, dimethoate, malathion and tetrachlorvinphos), in some vegetables like: potato, lettuce, tomato, onion, red pepper and green onion cultivated in josé maría vargas county in táchira state, venezuela. the research permitted to detect that 48.0% of the samples were contaminated with some of the pesticides studied. methamidophos was founded in the veg ... | 2008 | 18766290 |
micellarisation of carotenoids from raw and cooked vegetables. | the efficiency of carotenoid micellarisation from plant foods can be used as an effective tool for the initial screening of carotenoid bioavailability. therefore, the objectives of the present study were to assess the effects of cooking on the micellarisation of beta-carotene, lycopene, beta-cryptoxanthin and lutein from courgette (zucchini), red pepper and tomato; and, to a minor extent, investigate uptake of lutein by caco-2 cells from micellar fractions obtained from raw and cooked courgettes ... | 2008 | 18587647 |
decanoic acid reverse micelle-based coacervates for the microextraction of bisphenol a from canned vegetables and fruits. | decanoic acid reverse micelle-based coacervates were proposed for the extraction of bisphenol a (bpa) from canned vegetables and fruits prior to its determination by liquid chromatography and fluorescence detection at lambda(exc) = 276 nm and lambda(em) = 306 nm. the procedure involved the extraction of minute quantities (300-700 mg) of homogenized food sample with an aqueous solution containing 10% of thf and 0.5% of decanoic acid, conditions under which the coacervate (around 340 microl) forme ... | 2008 | 18486640 |
analysis by hplc and lc/ms of pungent piperamides in commercial black, white, green, and red whole and ground peppercorns. | pepper plants accumulate pungent bioactive alkaloids called piperamides. to facilitate studies in this area, high-performance liquid chromatography (hplc) and liquid chromatography/mass spectrometry methods were developed and used to measure the following piperamides in 10 commercial whole (peppercorns) and in 10 ground, black, white, green, and red peppers: piperanine, piperdardine, piperine, piperlonguminine, and piperettine. structural identification of individual compounds in extracts was pe ... | 2008 | 18386929 |
heavy metal concentrations in soils and factors affecting metal uptake by plants in the vicinity of a korean cu-w mine. | heavy metal concentrations were measured in soils and plants in and around a copper-tungsten mine in southeast korea to investigate the influence of past base metal mining on the surface environment. the results of chemical analysis indicate that the heavy metals in soils decreased with distance from the source, controlled mainly by water movement and topography. the metal concentrations measured in plant species generally decreased in the order; spring onions > soybean leaves > perilla leaves » ... | 2008 | 27879826 |
effects of organic farming on communities of arbuscular mycorrhizal fungi. | red pepper (capsicum annum l.) roots and soils representing different agricultural management practices such as conventional (con), no-chemical (noc), and organic farming systems (org) were collected from 32 farm field sites in kyunggi, korea to investigate the effects of these agricultural practices on arbuscular mycorrhizal (am) symbiosis. org inoculum significantly increased plant growth compared to inoculum from con and noc. a community analysis of am fungi (amf) using morphological features ... | 2008 | 23997602 |
migration of badge (bisphenol a diglycidyl-ether) and bfdge (bisphenol f diglycidyl-ether) in canned seafood. | migration of potentially toxic materials used for the lining of commercial can goods remains an important issue, especially with respect to certain types of processed foods. seafood is one type where more information is needed with respect to other ingredients used for adding value to fishery products. most cans are internally coated with starters of resins such as bisphenol a diglycidyl-ether (badge) and bisphenol f diglycidyl-ether (bfdge), both considered as toxic compounds. several seafood p ... | 2008 | 18289761 |
pesticide residue analysis of vegetables by gas chromatography with electron-capture detection. | a new and original analytical method was developed for the routine analysis of 28 multiclass pesticide residues in vegetables (green pepper, red pepper, and tomato). the extraction was performed with acetone, and the pesticides were partitioned into ethyl acetate-cyclohexane (1 + 1, v/v). residue levels in vegetables were determined by gas chromatography (gc) with electron-capture detection. residue identities were confirmed by gc coupled with mass spectrometry in the selected ion monitoring mod ... | 2008 | 17373459 |
alleviation of heat strain by cooling different body areas during red pepper harvest work at wbgt 33 degrees c. | the purpose of the present study was to examine the effects of different types of personal cooling equipments (pce) on the alleviation of heat strain during red pepper harvest simulated in a climatic chamber. the experiment consisted of eight conditions: 1) control, 2) neck cooling scarf a with a cooling area of 68 cm2, 3) neck cooling scarf b (cooling area 154 cm2), 4) brimmed hat with a frozen gel pack, 5) cooling vest (cooling area 606 cm2), 6) hat+neck scarf b, 7) hat+vest, and 8) hat+neck s ... | 2008 | 19088415 |
[simulation model on the formation of greenhouse sweet pepper leaf area index]. | leaf area index (lai) is one of the most important crop parameters in photosynthesis-driving crop growth simulation model and canopy evapotranspiration simulation model, while air temperature and radiation are the important climate factors affecting crop leaf growth. in this paper, experiments with different sweet pepper (capsicum annuum l.) cultivars and sowing dates were conducted in greenhouse to quantitatively analyze the relationships of the number of unfolding leaves per plant, the number ... | 2008 | 19123367 |
impact of production system on development of insecticide resistance in frankliniella occidentalis (thysanoptera: thripidae). | the western flower thrips, frankliniella occidentalis (pergande) (thysanoptera: thripidae), has become one of the most difficult insects to control in the intensive agriculture of southeastern spain. however, resistance problems are quite different in two neighboring areas, murcia and almeria, with distinct production systems. thirty-six field populations of western flower thrips from sweet pepper crops were collected in two different dates in murcia and almeria in 2005 and 2006. western flower ... | 2008 | 18950052 |
dihydrocapsaicin (dhc), a saturated structural analog of capsaicin, induces autophagy in human cancer cells in a catalase-regulated manner. | although capsaicin, a pungent component of red pepper, is known to induce apoptosis in several types of cancer cells, the mechanisms underlying capsaicin-induced cytotoxicity are unclear. here, we showed that dihydrocapsaicin (dhc), an analog of capsaicin, is a potential inducer of autophagy. dhc was more cytotoxic than capsaicin in hct116, mcf-7 and wi38 cell lines. capsaicin and dhc did not affect the sub-g(1) apoptotic peak, but induced g(0)/g(1) arrest in hct116 and mcf-7 cells. dhc caused t ... | 2008 | 18818525 |
capsaicin prevents ethanol-induced teratogenicity in cultured mouse whole embryos. | prenatal exposure to alcohol promotes the level of reactive oxygen species within embryos and results in developmental disorders. in this study, we investigated the effect of capsaicin (trans-8-methyl-n-vanillyl-6-nonenamide), the major pungent ingredient in red peppers, on ethanol-induced teratogenicity in mouse embryos (embryonic days 8.5-10.5). in response to ethanol administration (1.0 microl/ml), developmental parameters such as yolk sac circulation, allantois, heart, hindbrain, midbrain, f ... | 2008 | 18926900 |
capsiate, a nonpungent capsaicin-like compound, inhibits angiogenesis and vascular permeability via a direct inhibition of src kinase activity. | capsiate, a nonpungent capsaicin analogue, and its dihydroderivative dihydrocapsiate are the major capsaicinoids of the nonpungent red pepper cultivar ch-19 sweet. in this study, we report the biological actions and underlying molecular mechanisms of capsiate on angiogenesis and vascular permeability. in vitro, capsiate and dihydrocapsiate inhibited vascular endothelial growth factor (vegf)-induced proliferation, chemotactic motility, and capillary-like tube formation of primary cultured human e ... | 2008 | 18172315 |
isotopic discrimination as a tool for organic farming certification in sweet pepper. | organic farming is a form of agriculture that excludes the use of synthetic fertilizers, pesticides, and genetically modified organisms. these fertilizers have been traditionally overused in conventional farming to avoid lost revenue, but this often not does not take into account the potential contamination of aquifers and river due to nitrate leaching. transition to organic farming practices could provide an instrument to reduce contamination and increase potential income. it is difficult to de ... | 2008 | 18178891 |
determination of aflatoxin b(1) levels in deep-red ground pepper (isot) using immunoaffinity column combined with elisa. | deep-red ground pepper, a variety of red ground pepper, is a special spices belonging to sanliurfa and consumed both in sanliurfa and other provinces of turkey. the aim of this study was to determine the aflatoxin b(1) (afb(1)) levels of deep-red ground pepper. for this purpose, 75 samples of deep-red ground pepper (isot) marketed in sanliurfa (turkey) were purchased from bazaars and herbal shops. the occurrence and concentration range of afb(1) in the samples were investigated by microtitre pla ... | 2008 | 18276054 |
growth inhibitory effects of kimchi (korean traditional fermented vegetable product) against bacillus cereus, listeria monocytogenes, and staphylococcus aureus. | kimchi is a unique korean traditional vegetable product that is fermented by lactic acid bacteria (lab) and is mainly consumed as a side dish with boiled rice. its main ingredients are brined chinese cabbage, red pepper powder, and fermented fish sauce, and these are combined with many spices such as garlic, green onion, ginger, and some seaweed. the relationship between the concentration of lab or the ph and the growth of three gram-positive foodborne pathogens (bacillus cereus, listeria monocy ... | 2008 | 18326182 |
capsaicin modulates pulmonary antioxidant defense system during benzo(a)pyrene-induced lung cancer in swiss albino mice. | the effect of a pungent ingredient of red pepper, capsaicin, on oxidative stress induced changes in the antioxidant defense system by benzo(a)pyrene in the lungs of mice was studied. oral gavage administration of benzo(a)pyrene (50 mg/kg body weight) to mice led to a marked increase in oxidative stress indicated by alterations in pulmonary lipid peroxidation, enzymic antioxidants (superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, glutathione-s-transferase and glucose ... | 2008 | 18338764 |
anti-inflammatory effects of red pepper (capsicum baccatum) on carrageenan- and antigen-induced inflammation. | inflammation is a pivotal component of a variety of diseases, such as atherosclerosis and tumour progression. various naturally occurring phytochemicals exhibit anti-inflammatory activity and are considered to be potential drug candidates against inflammation-related pathological processes. capsicum baccatum l. var. pendulum (willd.) eshbaugh (solanaceae) is the most consumed species in brazil, and its compounds, such as capsaicinoids, have been found to inhibit the inflammatory process. however ... | 2008 | 18380920 |
capsaicin induces apoptosis and terminal differentiation in human glioma a172 cells. | capsaicin (8-methyl-n-vanillyl-6-nonenamide), the major pungent ingredient of red pepper, has been reported to possess anti-carcinogenic and anti-mutagenic activities. in this study, the effects of capsaicin on human glioblastoma a172 cells were investigated. treatment of a172 cells with capsaicin inhibited cell growth and induced apoptosis through down-regulation of bcl-2 and activation of caspase-3. interestingly, synergistic induction of morphological alternation was observed when a172 cells ... | 2008 | 18405923 |
beneficial influence of capsaicin on lipid peroxidation, membrane-bound enzymes and glycoprotein profile during experimental lung carcinogenesis. | this study was designed to examine the impact of a principal component of hot red peppers and chilli peppers, capsaicin, on alterations in lipid peroxidation, membrane-bound enzyme profiles and glycoprotein levels during benzo(a)pyrene (bp)-induced lung cancer in swiss albino mice. bp (50 mgkg(-1)) induced deleterious changes that were that revealed by alterations in lipid peroxidation, membrane-bound enzyme (na+/k+ atpase, ca2+ atpase and mg2+ atpase) activity, levels of total protein and prote ... | 2008 | 18498718 |
[survival of salmonella in spices and growth in cooked food]. | contamination of spices with pathogens has been reported worldwide, and salmonella might result in foodborne infections. in this study, we investigated the survival of salmonella in black pepper and red pepper, and the growth of the surviving salmonella in cooked food. salmonella enteritidis, salmonella weltevreden and salmonella senftenberg were inoculated into spices, and their survival during storage was examined. in black pepper, s. enteritidis was no longer viable after storage for 28 days, ... | 2008 | 18503241 |
evaluation of the predatory mite, neoseiulus californicus, for spider mite control on greenhouse sweet pepper under hot arid field conditions. | the efficacy of neoseiulus californicus (a generalist predatory mite) for the biological control of tetranychus urticae, was compared to release of phytoseiulus persimilis (a specialist predatory mite) and an acaricide treatment in sweet pepper plants grown in greenhouse tunnels in a hot and arid climate. to ensure uniform pest populations, spider mites were spread on pepper plants in two seasons; a natural infestation occurred in one season. predators were released prophylactically and curative ... | 2008 | 18584132 |
'escentric' molecules. | can a fragrance be revolutionary? in this commentary, the creation of two unusual, extravagant fine fragrances, 'escentric01' and 'molecule01', is described. in response to the fantasy components found in release notes of many recent perfume launches, both center around a single real fragrance raw material, the transparent woody aroma chemical 'iso e super' (1+2). the perfume 'escentric01' contains 65% of it, accompanied by trisamber (3), red pepper, lime oil, incense and musks, while 'molecule0 ... | 2008 | 18618401 |
[analytical method for carbamate pesticides in processed foods by lc/ms/ms]. | a rapid analytical method for the simultaneous determination of carbamate pesticides in processed foods was established by liquid chromatography coupled with tandem mass spectrometry (lc/ms/ms). the pesticides were extracted from samples with acetonitrile using accelerated solvent extract equipment, except for the fine powder type spices, which were extracted in an ultrasonic bath. the crude extract was cleaned up with a multi-solvent gpc column (shodex asahipak gf-310 hq) using acetonitrile as ... | 2008 | 18633196 |
overexpression of sweet pepper glycerol-3-phosphate acyltransferase gene enhanced thermotolerance of photosynthetic apparatus in transgenic tobacco. | in order to investigate the relationship between the lipid composition in thylakoid membrane and thermostability of photosynthetic apparatus, tobacco transformed with sweet pepper sense glycerol-3-phosphate acyltransferase (gpat) gene were used to analyze the lipid composition in thylakoid membrane, the net photosynthetic rate and chlorophyll fluorescence parameters under high temperature stress. the results showed that the saturated extent of monogalactosyldiacylglycerol (mgdg), sulfoquinovosyl ... | 2008 | 18713430 |
the n protein of tomato spotted wilt virus (tswv) is associated with the induction of programmed cell death (pcd) in capsicum chinense plants, a hypersensitive host to tswv infection. | in sweet pepper, the tsw gene, originally described in capsicum chinense, has been widely used as an efficient gene for inducing a hypersensitivity response (hr) derived tomato spotted wilt virus (tswv) resistance. since previously reported studies suggested that the tswv-s rna mutation(s) are associated with the breakdown of tsw mediated tswv resistance in peppers, the tswv genes n (structural nucleocapsid protein) and ns(s) (non-structural silencing suppressor protein) were cloned into a potat ... | 2008 | 18722487 |
identification of begomoviruses infecting crops and weeds in belize. | plants including pepper, red kidney bean, squash, string bean and tomato, as well as weeds with viral symptoms were collected from five districts in belize over a three year period with the aim of determining the diversity of the begomoviruses present. sixty five percent of the samples screened via dna hybridization produced signals indicative of begomovirus infection. subsequent pcr amplifications and nucleotide sequence analyses revealed the presence of four begomoviruses in belize. pepper gol ... | 2008 | 20596296 |
[factors affecting oviposition of bemisia tabaci (genn.) biotype b in sweet pepper]. | bemisia tabaci (gen.) biotype b is considered a pest of economical importance for several vegetables. the oviposition behaviour of the whilefly was evaluated in sweet pepper plants. the trials were carried out under greenhouse condition and in the laboratory of entomology of defers/unesp, campus of ilha solteira-sp, with the sweet pepper magali-r genotype. the effect of plant age on the whitefly oviposition was evaluated in free-choice tests, in plants, 25, 30, 35, 40 and 45-day-old, as egg dist ... | 2008 | 18506298 |
[simple preprocessing method for multi-determination of 235 pesticide residues in cooked ingredients of foods by gc/ms and lc/ms/ms]. | a simple preprocessing method was developed for multiresidue determination of pesticides in processed agricultural products. residues were extracted from homogenized samples with acetonitrile in a glass centrifuge tube, followed by salting-out and partitioning with n-hexane. co-extractives were removed by means of mini-column clean up. analysis was performed by gc/ms and lc/ms/ms. the prepared sample solutions were examined for matrix effects. matrix effects had both positive and negative effect ... | 2008 | 18633206 |
influence of ripening stage on health benefits properties of capsicum annuum var. acuminatum l.: in vitro studies. | abstract in the present study the in vitro hypoglycemic and anti-acetylcholinesterase activities of hot pepper fruits (capsicum annuum var. acuminatum l.) at different ripening stages were investigated. the mature, green-stage fruits had the highest activity against alpha-amylase and alpha-glucosidase with 50% inhibitory concentration (ic(50)) values of 55.88 and 76.11 microg/ml, respectively, while c. annuum var. acuminatum in the prematurity green stage exhibited the highest acetylcholinestera ... | 2008 | 18361755 |
chromosomal dna content of sweet pepper determined by association of cytogenetic and cytometric tools. | the nuclear dna content of sweet pepper (capsicum annuum l. var. annuum, 2n = 24) has been measured by flow and image cytometries but the dna content of each chromosome of this species has not yet been regarded. dna content of individual chromosomes has been quantified by the flow karyotyping technique, which requires a great quantity of intact metaphasic chromosomes and methods that allow the characterization of individual chromosomes; however, the obtainment of adequate number of metaphases ca ... | 2008 | 18347800 |
antioxidant activities of different colored sweet bell peppers (capsicum annuum l.). | antioxidant compounds and their antioxidant activity in 4 different colored (green, yellow, orange, and red) sweet bell peppers (capsicum annuum l.) were investigated. the total phenolics content of green, yellow, orange, and red peppers determined by the folin-ciocalteau method were 2.4, 3.3, 3.4, and 4.2 micromol catechin equivalent/g fresh weight, respectively. the red pepper had significantly higher total phenolics content than the green pepper. among the 4 different colored peppers, red pep ... | 2007 | 17995862 |
acyclic diterpene glycosides, capsianosides c, d, e, f and iii, from the fruits of hot red pepper capsicum annuum l. used in kimchi and their revised structures. | acyclic diterpene glycosides, named capsianosides i', ii, iii (1), c (2), d (3), e (4) and f (5), have been isolated from the dried hot red pepper fruits of capsicum annuum l. used in kimchi. the structures of these compounds have been revised in the sugar connectivities by 1d- and 2d-nmr spectroscopic and chemical methods. | 2007 | 17666836 |
induction of resistance against the leafminer, liriomyza trifolii, by jasmonic acid in sweet pepper. | sweet pepper (capsicum annuum) leaves at the mature stage have strong ovipositional deterrence against liriomyza trifolii (burgess) (diptera, agromyzidae), whereas the cotyledons are fiercely attacked by the fly. treatment of the cotyledons with 50 microm and 100 microm of a jasmonic acid (ja) solution caused the plant to acquire strong oviposition deterrence against the leafminer. an hplc analysis of the ja-treated cotyledons revealed the inducible accumulation of a compound. based on spectrosc ... | 2007 | 17587684 |
the composition of arnoia peppers (capsicum annuum l.) at different stages of maturity. | 'arnoia' peppers (capsicum annuum l. var. annuum cv. arnoia) are cultivated in areas surrounding the arnoia river, in galicia (northwest spain). some physical and chemical changes associated with maturation and storage conditions have been reported. changes in gross composition, the main physico-chemical parameters and mineral composition were evaluated in peppers collected directly from plants and at two different states of maturity (green and red fruits), and in commercially available peppers ... | 2007 | 17469770 |
nitrogenous ovipositional deterrents in the leaves of sweet pepper (capsicum annuum) at the mature stage against the leafminer, liriomyza trifolii (burgess). | mature leaves of the sweet pepper, capsicum annuum, exhibited resistance against the american serpentine leafminer, liriomyza trifolii (burgess), agromyzidae. based on bioassay-guided fractionation, three compounds, namely 4-aminobutanoic acid, (2s,4r)-4-hydroxy-1-methyl-2-pyrrolidine carboxylic acid and 4-amino-1-beta-d-ribofuranosyl-2(1h)-pyrimidinone, were isolated from the leaves of sweet pepper. these compounds had significant oviposition deterrence towards adult flies of l. trifolii from l ... | 2007 | 17284863 |
effect of composted sewage sludge application to soil on sweet pepper crop (capsicum annuum var. annuum) grown under two exploitation regimes. | the aim of this study is to monitor the effect of the application of three increasing amounts of composted sewage sludge (3, 6 and 9 kg compost m(-2)) on the physico-chemical properties of a horticultural calcareous soil where sweet pepper plants (capsicum annuum var. annuum) cv. california were grown. a comparative study of two different exploitation regimes was carried out; the first was an open-air field-grown plot and the second plot was kept under controlled conditions in a greenhouse. chan ... | 2007 | 16996727 |
a comparison of the carotenoid accumulation in capsicum varieties that show different ripening colours: deletion of the capsanthin-capsorubin synthase gene is not a prerequisite for the formation of a yellow pepper. | ripe pepper (capsicum sp.) fruits can display a range of colours from white to deep red. to understand better the regulatory mechanisms of the carotenoid biosynthetic pathways that underlie these ripening colours, capsicum varieties that show seven different fully ripe colour types were analysed. the levels and composition of the carotenoid accumulation in these samples at different stages of ripening were measured, and the resulting data were analysed in conjunction with the expression patterns ... | 2007 | 17728301 |
free galactose content in selected fresh fruits and vegetables and soy beverages. | the free galactose content was determined in three soy beverages, and 34 selected fruits and vegetables purchased at different times of the year and/or local markets in british columbia, canada. the objective of the work was to provide additional information on the free galactose content of foods to assist individuals with galactosemia in making dietary decisions. free galactose contents in the selected plant materials ranged from 2.0 +/- 0.1 mg/100 g in red potato to 39.7 +/- 1.9 mg/100 g in re ... | 2007 | 17844990 |
development of a simple extraction procedure for chlorpyrifos determination in food samples by immunoassay. | the suitability of immunoassay methodology for rapid and accurate determination of chlorpyrifos in vegetables was tested. the optimised elisa detection limit was 0.32ng/ml, with a working range from 0.69 to 6.21ng/ml and an immunoassay test-mid point (ic(50)) of 2.08ng/ml. a rapid sample preparation procedure considering different parameters such as the amount of sample, volume of extractant, extraction time and dilution factor was optimised. the developed direct extraction (de) and multiresidue ... | 2007 | 19071405 |
tropical whitefly ipm project. | the tropical whitefly ipm project (twfp) is an initiative of the systemwide ipm programme of the consultative group on international agricultural research (cgiar), financed by the department for international development (dfid) of the united kingdom, the danish international development agency (danida), the united states department of agriculture (usda) and agency for international development (usaid), the australian centre for international agricultural research (aciar), and the new zealand age ... | 2007 | 17222696 |
maternal diet during pregnancy in relation to eczema and allergic sensitization in the offspring at 2 y of age. | maternal diet during pregnancy might be one of the factors that influences fetal immune responses associated with childhood allergy. | 2007 | 17284754 |
disease resistance to bacterial pathogens affected by the amount of ferredoxin-i protein in plants. | summary ferredoxin-i (fd-i) is a fundamental protein that is involved in several metabolic pathways. the amount of fd-i found in plants is generally regulated by environmental stress, including biotic and abiotic events. in this study, the correlation between quantity of fd-i and plant disease resistance was investigated. fd-i levels were increased by inoculation with pseudomonas syringae pv. syringae but were reduced by erwinia carotovora ssp. carotovora. transgenic tobacco over-expressing fd-i ... | 2007 | 20507485 |
capsicum ethanol extracts and capsaicin enhance interleukin-2 and interferon-gamma production in cultured murine peyer's patch cells ex vivo. | we investigated the effects of red pepper (capsicum annuum lin.) extracts (capsicum extract) and its main pungent capsaicin on t helper 1 (th1) and 2 (th2) cytokine production in cultured murine peyer's patch (pp) cells in vitro and ex vivo. direct administration of capsicum extract (1 and 10 mug/ml) and capsaicin (3 and 30 mum) resulted in suppression of interleukin (il)-2, interferon (ifn)-gamma, il-4 and il-5 production. in an ex vivo experiment using pp cells removed from the mice after oral ... | 2007 | 17306834 |
some fungal endophytes from vegetable crops and their anti-oomycete activities against tomato late blight. | to isolate endophytic fungi from vegetable plants and examine their in vivo anti-oomycete activity against phytophthora infestans in tomato plants. | 2007 | 17309513 |
final report on the safety assessment of capsicum annuum extract, capsicum annuum fruit extract, capsicum annuum resin, capsicum annuum fruit powder, capsicum frutescens fruit, capsicum frutescens fruit extract, capsicum frutescens resin, and capsaicin. | capsicum-derived ingredients function as skin-conditioning agents--miscellaneous, external analgesics, flavoring agents, or fragrance components in cosmetics. these ingredients are used in 19 cosmetic products at concentrations as high as 5%. cosmetic-grade material may be extracted using hexane, ethanol, or vegetable oil and contain the full range of phytocompounds that are found in the capsicum annuum or capsicum frutescens plant (aka red chiles), including capsaicin. aflatoxin and n-nitroso c ... | 2007 | 17365137 |
effect of temperature on life history of aphidius colemani and aphidius matricariae (hymenoptera: braconidae), two parasitoids of aphis gossypii and myzus persicae (homoptera: aphididae). | the performance of two aphid parasitoids, aphidius colemani viereck and aphidius matricariae (haliday), against aphis gossypii glover on greenhouse cucumber (cucumis sativus l.) and myzus persicae (sulzer) on sweet pepper (capsicum annuum l.) were evaluated at various constant temperatures. biological parameters of both parasitoids including developmental time, pupal survivorship, percentage of parasitism, and sex ratio of the progeny were studied at 5, 10, 15, 20, 25, 30, and 35 degrees c. at 2 ... | 2007 | 17445360 |
prevalence and genetic diversity of bacillus cereus in dried red pepper in korea. | bacillus cereus is a foodborne spore-forming bacterial pathogen that is ubiquitous in the natural environment. infections with this pathogen manifest as diarrheal or emetic types of food poisoning. in this study, 140 samples of dried red pepper purchased in korea were assayed for the presence of b. cereus according to the u.s. food and drug administration standard culture method. a multiplex pcr assay was developed for the rapid confirmation of b. cereus as an alternative to conventional biochem ... | 2007 | 17477261 |
capsaicin is a novel blocker of constitutive and interleukin-6-inducible stat3 activation. | capsaicin, a constituent of green and red peppers, has been linked with suppression of tumorigenesis through a mechanism that is not well understood. because the transcription factor signal transducer and activator of transcription 3 (stat3) has been closely linked with tumorigenesis, we investigated the effect of this vanilloid on the stat3 pathway in human multiple myeloma cells. | 2007 | 17505005 |
ralstonia solanacearum strains from martinique (french west indies) exhibiting a new pathogenic potential. | we investigated a destructive pathogenic variant of the plant pathogen ralstonia solanacearum that was consistently isolated in martinique (french west indies). since the 1960s, bacterial wilt of solanaceous crops in martinique has been caused primarily by strains of r. solanacearum that belong to either phylotype i or phylotype ii. since 1999, anthurium shade houses have been dramatically affected by uncharacterized phylotype ii strains that also affected a wide range of species, such as helico ... | 2007 | 17720825 |
effects of agricultural practices on color, carotenoids composition, and minerals contents of sweet peppers, cv. almuden. | consumers demand organic products because they believe they are more flavorful and respectful to the environment and human health. the effects of conventional, integrated, and organic farming, grown in a controlled greenhouse, on color, minerals, and carotenoids of sweet pepper fruits ( capsicum annuum), cv. almuden, were studied. experimental results proved that organic farming provided peppers with the highest (a) intensities of red and yellow colors, (b) contents of minerals, and (c) total ca ... | 2007 | 17822289 |
capsaicin induces heme oxygenase-1 expression in hepg2 cells via activation of pi3k-nrf2 signaling: nad(p)h:quinone oxidoreductase as a potential target. | capsaicin (trans-8-methyl-n-vanillyl-6-nonenamide), a major pungent ingredient of red pepper, is reported to have antimutagenic and anticarcinogenic properties. however, the mechanisms underlying its chemoprotective effects remain largely unresolved. in the present study, we found that capsaicin induced expression of heme oxygenase-1 (ho-1) in hepg2 cells. capsaicin treatment resulted in a transient increase in the phosphorylation of akt and subsequently nuclear translocation of nf-e2-related fa ... | 2007 | 17979524 |
toxicity studies of genetically modified plants: a review of the published literature. | according to the information reported by the who, the genetically modified (gm) products that are currently on the international market have all passed risk assessments conducted by national authorities. these assessments have not indicated any risk to human health. in spite of this clear statement, it is quite amazing to note that the review articles published in international scientific journals during the current decade did not find, or the number was particularly small, references concerning ... | 2007 | 17987446 |
bacterial endophytes contribute to abiotic stress adaptation in pepper plants (capsicum annuum l.). | endophytes are nonpathogenic plant-associated bacteria that can play an important role in plant vitality and may confer resistance to abiotic or biotic stress. the effects of 5 endophytic bacterial strains isolated from pepper plants showing 1-aminocyclopropane-1-carboxylate deaminase activity were studied in sweet pepper under in vitro conditions. four of the strains tested showed production of indole acetic acid. plant growth, osmotic potential, free proline content, and gene expression were m ... | 2007 | 18026213 |
resistance enhancement of transgenic tomato to bacterial pathogens by the heterologous expression of sweet pepper ferredoxin-i protein. | abstract expression of a foreign gene to enhance plant disease resistance to bacterial pathogens is a favorable strategy. it has been demonstrated that expressing sweet pepper ferredoxin-i protein (pflp) in transgenic plants can enhance disease resistance to bacterial pathogens that infect leaf tissue. in this study, pflp was applied to protect tomato (lycopersicon esculentum cv. cherry cln1558a) from the root-infecting pathogen, ralstonia solanacearum. independent r. solanacearum resistant t(1) ... | 2007 | 18943629 |
effect of microclimate on leveillula taurica powdery mildew of sweet pepper. | abstract sweet pepper-leveillula taurica microclimate relations were studied under controlled conditions and in commercial greenhouses. conidial germination occurred at 10 to 37 degrees c and was optimal at 20 degrees c. conidial viability declined as temperatures increased to 40 degrees c for 6 h. leaf colonization was optimal at 15 to 25 degrees c. severe leaf infections occurred at 15 to 20 degrees c and conidiation was suppressed at 20 to 25 degrees c. highest germination rates were observed ... | 2007 | 18943930 |
spices mycobiota and mycotoxins available in saudi arabia and their abilities to inhibit growth of some toxigenic fungi. | the prevalence and population density of the mycobiota of 50 samples belonging to 10 kinds of spices (anise, black pepper, red pepper, black cumin, peppermint, cardamom, clove, cumin, ginger and marjoram) which collected from different places in jeddah governorate were studied. the natural occurrence of mycotoxins in those samples was also investigated. fifteen genera and thirty - one species of fungi in addition to one species variety were isolated and identified during this study. the most com ... | 2007 | 24015069 |
effects of the mi-1, n and tabasco genes on infection and reproduction of meloidogyne mayaguensis on tomato and pepper genotypes. | meloidogyne mayaguensis is a damaging root-knot nematode able to reproduce on root-knot nematode-resistant tomato and other economically important crops. in a growth chamber experiment conducted at 22 and 33 degrees c, isolate 1 of m. mayaguensis reproduced at both temperatures on the mi-1-carrying tomato lines bhn 543 and bhn 585, whereas m. incognita race 4 failed to reproduce at 22 degrees c, but reproduced well at 33 degrees c. these results were confirmed in another experiment at 26 +/- 1.8 ... | 2007 | 19259507 |
diagnosis and molecular variability of an argentinean population of nacobbus aberrans with some observations on histopathology in tomato. | diagnosis of an argentinean population of nacobbus sp. infecting sweet pepper (lamuyo) was carried out including morphology, scanning electron microscopy, and molecular studies. in light of our morphometric, molecular and host-range results, we consider the studied population to belong to n. aberrans s. l., and by host range tests the population is assigned to the "sugar beet group." its-pcr analysis on individual male and immature female specimens of this population yielded amplification produc ... | 2007 | 19259470 |
characterization of fusarium oxysporum isolated from paprika in korea. | in the present study we first report in korea the identification and characterization of fusarium oxysporum isolated from rotten stems and roots of paprika (capsicum annuum var. grossum) at masan, kyungsangnamdo in 2006. the fungal species produced white aerial mycelia accompanying with dark violet pigment on pda. the optimal temperature and ph for the growth of the species was 25℃ and ph 7, respectively. microscopic observation of one of isolates of the species shows that its conidiophores are ... | 2007 | 24015078 |
[study on content and intake status of vegetable fiber in rural residents in china]. | to study the distribution and intake of vegetable fiber of chinese rural residents. | 2007 | 18303630 |
overexpression of cahsp26 in transgenic tobacco alleviates photoinhibition of psii and psi during chilling stress under low irradiance. | a sweet pepper cdna clone, cahsp26 encoding the chloroplast (cp)-localized small heat shock protein (shsp), was isolated and characterized with regard to its sequence, response to various temperatures and function in transgenic tobacco plants. the deduced amino acid sequence contained three highly conserved regions, showing high identities with other plant shsps. expression of the cahsp26 gene showed that the mrna accumulation of cahsp26 was induced by heat stress. higher transcript levels were ... | 2007 | 16513207 |
identification of a novel cys2/his2-type zinc-finger protein as a component of a spermine-signaling pathway in tobacco. | in a previous work, we identified a cys(2)/his(2)-type zinc-finger transcription repressor, (zft1), that functions in a spermine-mediated signal transduction pathway in tobacco plants. database search disclosed the presence of another cys(2)/his(2)-type zinc-finger protein zfp1 (accession number aac06243) in tobacco plants. in this work, we characterized zfp1 and investigated whether this protein is also involved in a spm-signaling pathway. this factor showed the highest identity to petunia zpt2 ... | 2007 | 16882456 |
influence of topical capsaicin on facial sensitivity in response to experimental pain. | capsaicin, the pungent component of the red pepper, has been used as an analgesic in a variety of pain conditions, but sensory impairment after long-term treatment has been concerned. this study investigated the influence of topical capsaicin on various types of sensations including pain in the facial areas innervated by the mental nerve, and also evaluated whether the measurement of cutaneous current perception threshold (cpt) is reliable for the quantification of sensory change following capsa ... | 2007 | 17207073 |
effects of ch-19 sweet, a non-pungent cultivar of red pepper, on sympathetic nervous activity, body temperature, heart rate, and blood pressure in humans. | we investigated the changes in autonomic nervous activity, body temperature, blood pressure (bp), and heart rate (hr) after intake of the non-pungent pepper ch-19 sweet and of hot red pepper in humans to elucidate the mechanisms of diet-induced thermogenesis (dit) due to ch-19 sweet. we found that ch-19 sweet activates the sympathetic nervous system (sns) and enhances thermogenesis as effectively as hot red pepper, ant that the heat loss effect due to ch-19 sweet is weaker than that due to hot r ... | 2007 | 17341828 |
multivariate analysis for the evaluation of fiber, sugars, and organic acids in commercial presentations of table olives. | table olives constitute an important part of the mediterranean diet and the diet of many non-olive-producing countries. the aim of this work was to determine the fiber, sugar, and organic acid contents in spanish commercial presentations of table olives and characterize them by means of a multivariate analysis. the selection of variables was carried out on the basis of a canonical analysis and their classification, according to processing styles and cultivars, through a linear discriminant analy ... | 2007 | 18052035 |
apoptosis induced by capsaicin in prostate pc-3 cells involves ceramide accumulation, neutral sphingomyelinase, and jnk activation. | numerous studies have recently focused on the anticarcinogenic, antimutagenic, or chemopreventive activities of the main pungent component of red pepper, capsaicin (n-vanillyl-8-methyl-1-nonenamide). we have previously shown that, in the androgen-independent prostate cancer pc-3 cells, capsaicin inhibits cell growth and induces apoptosis through reactive oxygen species (ros) generation [apoptosis 11 (2006) 89-99]. in the present study, we investigated the signaling pathways involved in the antip ... | 2007 | 17828457 |
the importance of exposure for healthy eating in childhood: a review. | children's food preferences are strongly associated with their consumption patterns. identifying the factors that influence preferences is therefore crucial to the development of effective interventions to improve children's diets. perhaps the most important determinant of a child's liking for a particular food is the extent to which it is familiar. put simply, children like what they know and they eat what they like. from the very earliest age, children's experiences with food influence both pr ... | 2007 | 17635306 |
factors affecting the distribution of a predatory mite on greenhouse sweet pepper. | the predatory mite neoseiulus cucumeris is used for biological control of phytophagous mites and thrips on greenhouse cucumber and sweet pepper. in a previous study, n. cucumeris provided effective control of broad mite but was only rarely found on the sampled leaves, raising questions about the factors affecting n. cucumeris distribution. to determine the distribution of n. cucumeris, leaves of pepper plants were sampled three times per day: just after sunrise, at noon and just before sunset fo ... | 2007 | 17534730 |
rapid all-in-one three-step immunoassay for non-instrumental detection of ochratoxin a in high-coloured herbs and spices. | a feasible three-step method for ochratoxin a (ota) rapid detection was developed and applied for ota screening in high-coloured matrices such as liquorice, ginger, nutmeg, black pepper, white pepper and capsicum spp. spices at a control level of 10mugkg(-1). the method was based on the clean-up tandem immunoassay column and involved three steps: extract application, washing step and application of chromogenic substrate. a significant simplification of the assay was reached by using an additiona ... | 2007 | 19071749 |
integrated control of pests in tropical and subtropical sweet pepper production. | sweet pepper is now grown, in tropical and subtropical areas, under the integrated pest management (ipm) tactic of 'physical barrier', whereas it was once grown primarily in open fields. this management tactic, when properly employed, has the advantage of eliminating many of the larger open-field pests, and has resulted in greatly increased pepper yields. however, certain other pest populations are exacerbated by this ipm tactic. this paper reviews the primary pests and current control tactics i ... | 2007 | 17437258 |
[antioxidant capacity of fruits and vegetables cultivated in chile]. | the high prevalence of non transmissible chronic diseases (ncd) related to food consumption had increased the studies conducted to investigate the relationship between diet and health. a smaller incidence of ncd, with food patterns with high consumption of fruits and vegetables has been observed and chemical compounds of these foods have been one of the main subjects of the actual research in the reaqltion between food consumption and health. the effect of vegetable foods has been attributed to ... | 2006 | 17425182 |
[photosynthetic and growth characteristics of different ecotype capsicum under weak light]. | this paper studied the effects of weak light on the photosynthetic characteristics, assimilates allocation, yield formation, and seedling growth of different ecotype capsicum (hot pepper and sweet pepper). the results showed that under weak light, the net photosynthetic rate (pn) , dark respiration rate (rd ) , night respiration rate (rn) , transpiration rate (tr) , water use efficiency (wue) , light compensation point (lcp) , co2 compensation point (ccp) and carboxylation efficiency ( ce) of te ... | 2006 | 17209386 |
[biological applications of raman resonance spectroscopy and micro-raman resonance spectroscopy]. | advantages are given to illustrate the possibilities of resonance raman spectroscopy in the studies of biological systems. a relation giving the size of porphinato-core of metalloporphyrins from resonance raman frequency is proposed. it can be applied to heme, even in lived state. by illuminating the sample through a microscope, resonance raman effect can be collected from 1 (micrometer)2 of sample. spectra of a vegetal-cell wall (pimento) and of a red corpuscle (hemoglobin) are shown as example ... | 2006 | 7332762 |
effects of ch-19 sweet, a non-pungent cultivar of red pepper, in decreasing the body weight and suppressing body fat accumulation by sympathetic nerve activation in humans. | 'ch-19 sweet' is a non-pungent red pepper and enhances the energy expenditure in humans in like manner to the pungent red pepper. we investigated in this study the effects of a repeated intake of ch-19 sweet for two weeks on the body weight and body fat in humans. changes in the autonomic nervous activity after ingesting ch-19 sweet were also measured by a power spectral analysis. we established a new protocol which allows the precise detection of weight change in humans by using fewer subjects. ... | 2006 | 17151481 |
analysis of the contents of pungent compounds in fresh korean red peppers and in pepper-containing foods. | an hplc method has been developed for the analysis of extracts of fresh peppers containing capsaicinoids and of both capsaicinoids and piperines in pepper-containing foods produced and sold in korea. the hplc method was optimized by defining how composition of the mobile phase affected retention times. both identification and quantification were based on retention times and the following criteria: linearity of the uv response at 280 nm in hplc, recoveries from spiked samples, and observed indivi ... | 2006 | 17117787 |
[novel application of ftir to the analysis of sweet pepper seeds and tomato seeds with space mutation]. | comparative study of the sweet pepper and tomato seeds lines with space mutation and corresponding conventional seeds was carried out with ftir, in an attempt to search for the influence of space environment upon mutation. the similarities among space seeds lines are: the absorbance at near 1,160-1,061 cm(-1) increased. this result shows that the stretching vibration of c-o on the structure of carbohydrates was enhanced by space mutation. the special mutations are: (1) the absorbance at 2,854 cm ... | 2006 | 16961230 |
effect of an acute intraluminal administration of capsaicin on oesophageal motor pattern in gord patients with ineffective oesophageal motility. | ineffective oesophageal motility (iom) is a functional disorder affecting about 50% of gastro-oesophageal reflux disease (gord) patients. this disease in a severe form limits the clearing ability of the oesophagus and is considered one of the predictive factors for poorer gord resolution. capsaicin, the active compound of red pepper, exerts a prokinetic effect on oesophageal motility in healthy subjects by increasing the amplitude of body waves, even if no evidence exists on its possible role in ... | 2006 | 16918727 |
[an analysis of sweet pepper seeds with space flight mutagenesis by ftir]. | the first-time application of ftir to analyzing and comparing two sweet pepper seeds lines of space mutation and two sweet pepper seeds lines bred in system approaches as well as their spectra is presented. the ir spectrum of sweet pepper seeds lines is mainly composed of the band of adsorption of protein and that of carbohydrates. the absorbance of the two sweet pepper seeds lines of space mutation at 2854, 1652, 1542 and 1160-1062 cm(-1) was enhanced. the peak near 2854 cm(-1) is attributable ... | 2006 | 16830749 |
the effect of cooking method upon the titratable acidity of a popular vegetarian dish--scope for reducing its erosive potential? | the purpose of this in vitro study was to determine the effect of cooking method on the erosive potential of ratatouille. two cooking methods, stewing and oven roasting, were applied to standardised ingredients taken from the same fruits and vegetables. the resultant dishes were liquidised and diluted with 100 mls of distilled water. five 25 ml samples of each group were titrated to ph 7.0 against 0.1 molar sodium hydroxide. in order to ascertain the relative contribution of each ingredient each ... | 2006 | 16599095 |
capsaicinol: synthesis by allylic oxidation and its effect on trpv1-expressing cells and adrenaline secretion in rats. | capsaicinol is an ingredient of hot red pepper. in this study, we developed a novel method for capsaicinol synthesis and examined capsaicinol's physiological effects on capsaicin receptor (trpv1)-related actions. allylic oxidation of capsaicin by palladium acetate (pd(oac)(2)) resulted in the formation of (+/-)-capsaicinol acetate at a 7.2% yield in a single step. the effectiveness of (+/-)-capsaicinol in trpv1 activation (ec(50)=1.1 microm) was found to be weaker than that of capsaicin (ec(50)= ... | 2006 | 16926503 |