Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| two phenol ethers and an aliphatic ketone of the essential oil of the kusunoki (cinnamomum camphora, sieb.). | 1969 | 5394273 | |
| simultaneous existence of two types of ribosome-inactivating proteins in the seeds of cinnamonum camphora--characterization of the enzymatic activities of these cytotoxic proteins. | two types of ribosome-inactivating proteins (rips), camphorin and cinnamomin, have been purified from the seeds of cinnamomum camphora. camphorin is a type i rip with a molecular mass of 23 kda. cinnamomin is a type ii rip having three isoforms, its molecular mass is around 61 kda. the a- and b-chain derived from cinnamomin isoforms have similar mobilities in sds-polyacrylamide gel. camphorin and cinnamomin are both glycoproteins. in phylogenesis, it is particularly significant to find the simul ... | 1995 | 7548157 |
| cytotoxicity of two new ribosome-inactivating proteins, cinnamomin and camphorin, to carcinoma cells. | cinnamomin (two-chain) and camphorin (single-chain), two novel ribosome-inactivating proteins (rips) purified from the seeds of cinnamomum camphora, produced inhibitory effects in cultured carcinoma cells. the ic50 of cinnamomin to the human hepatocarcinoma cell-line 7721 and the melanoma cell-line m21 were 18.8 nmol and 11.7 nmol respectively. the ic50 of camphorin to the human hepatocarcinoma cell-line 7721 was 59 nmol, whereas the melanoma cell-line m21 was not susceptible to camphorin. furth ... | 1996 | 8888568 |
| large-scale preparation of two new ribosome-inactivating proteins--cinnamomin and camphorin from the seeds of cinnamomum camphora. | an improved method for large-scale preparation of cinnamomin and camphorin from the seeds of cinnamomum camphora has been developed. cinnamomin is a type ii ribosome-inactivating protein (rip), while camphorin is a type i rip. cinnamomin was purified by a single step of acid-treated sepharose 4b affinity chromatography instead of gel filtration. camphorin was purified by anion-exchange chromatography and gel filtration successively from the eluant not retained by the affinity column. using this ... | 1997 | 9179286 |
| can the fatty acid selectivity of plant lipases be predicted from the composition of the seed triglyceride? | to address the question can the fatty acid selectivity of plant lipases be predicted from the composition of the seed triglyceride, we have characterised the selectivity of lipases from a wide range of oilseeds with diverse fatty acid compositions. for this study, a novel hydrolysis assay using a fully randomised oil, was developed. from some seed sources (e.g. cinnamomum camphora), lipases show high preference for particular fatty acids, whilst from others (e.g. brassica napus, theobroma cacao8 ... | 1999 | 10521705 |
| toxicity of cinnamomin--a new type ii ribosome-inactivating protein to bollworm and mosquito. | the toxicity of cinnamomin, a new type ii ribosome-inactivating protein purified from the seeds of camphor tree (cinnamomum camphora), to bollworm (helicoverpa armigera) and mosquito (culex pipines pallens) during larval stage was tested. the lc50 of cinnamomin to bollworm larvae fed on diet containing cinnamomin was 1839 ppm and the lc50 to larvae of mosquito was 168 ppm. the gut extract of bollworm larvae could apparently hydrolyze cinnamomin. the inhibition of protein synthesis by cinnamomin ... | 2000 | 10732994 |
| substrate-structure dependence of ribotoxins on cleaving rna in c. camphora ribosome. | cinnamomin, a type ii ribosome-inactivating protein (rip) isolated from the seeds of camphora tree (cinnamomum camphora), could not inactivate its own (autologous) ribosome. among five rips (cinnamomin a-chain, ricin a-chain, trichosanthin, gelonin, and soporin-s6) tested, only saporin-s6 could cleave the n-glycosidic bond of rna in c. camphora ribosome to release a specific rna fragment (r-fragment) after treatment with aniline, which was shorter than that from rat liver ribosome. the amount of ... | 2001 | 11405275 |
| structural studies of the glycopeptides of b-chain of cinnamomin--a type ii ribosome-inactivating protein by nuclear magnetic resonance. | cinnamomin is a plant type ii ribosome-inactivating protein (rip) isolated from the seeds of cinnamomum camphora. it consists of two nonidentical polypeptide chains (a- and b-chain) held together through one disulfide linkage. its a- and b-chain contain 0.3% and 3.9% sugars respectively. the b-chain of cinnamomin was digested by pronase e and then the liberated glycopeptides were separated from non-glycopeptides by gel filtration chromatography on a bio-gel p-4 column. three crude glycopeptides ... | 2000 | 11443276 |
| headspace constituents of the tree remain of cinnamomum camphora. | the volatile ingredients isolated from a fresh tree of cinnamomum camphora (camphor tree) and from a tree remain of c. camphora were collected by using headspace techniques and analyzed by means of gas chromatography/mass spectrometry (gc/ms). 99.77% of the constituents consisting 23 components from the fresh tree, 98.68% of the constituents consisting 24 components from the tree remain were identified. of these ingredients, camphor was obtained as the most abundant component. | 2001 | 11547425 |
| evaluation of ophthacare eye drops--a herbal formulation in the management of various ophthalmic disorders. | an open prospective multicentre clinical trial was conducted in patients suffering from various ophthalmic disorders namely, conjunctivitis, conjunctival xerosis (dry eye), acute dacryocystitis, degenerative conditions (pterygium or pinguecula) and postoperative cataract patients with a herbal eye drop preparation (ophthacare) containing basic principles of different herbs which have been conventionally used in the ayurvedic system of medicine since time immemorial. these include carum copticum, ... | 2001 | 11746845 |
| cinnamomin, a type ii ribosome-inactivating protein, is a storage protein in the seed of the camphor tree (cinnamomum camphora). | cinnamomin is a novel type ii ribosome-inactivating protein (rip) isolated in our laboratory from the seed of the camphor tree (cinnamomum camphora). in this paper the physiological role it plays in the plant cell was studied. northern and western blotting revealed that cinnamomin was expressed specifically in cotyledons. it accumulated in large amounts simultaneously with other proteins at the post-stages of seed development. cinnamomin degraded rapidly during the early stages of seed germinati ... | 2002 | 11879193 |
| studies of three genes encoding cinnamomin (a type ii rip) isolated from the seeds of camphor tree and their expression patterns. | cinnamomin, which has three isoforms, is a type ii ribosome-inactivating protein (rip) purified from the mature seeds of camphor tree (cinnamomum camphora). in a previous study, an incomplete cdna that encoded the a- and b-chain of cinnamomin but lacked signal peptide sequence was cloned. in the present paper, its full-length cdna was obtained by 5' rapid amplification of cdna ends (5'race). subsequently, polymerase chain reaction (pcr) amplification of its genomic dna was performed. unexpectedl ... | 2002 | 11891062 |
| ecophysiological characteristics of taiwan alder (alnus formosana) seedlings adapted to the subtropical region. | we investigated several ecophysiological characteristics of seedlings of a low-elevation (100-200 m) and a high-elevation (2000-2400 m) population of taiwan alder (alnus formosana makino) from subtropical taiwan. both populations had a wide optimal temperature range for photosynthesis, and there was little difference in the optimal temperature range for photosynthesis between populations. photosynthetic rate (p(n)) was near maximal from 20 to 35 degrees c when seedlings of both the low-elevation ... | 2002 | 11960760 |
| structural studies of an eukaryotic cambialistic superoxide dismutase purified from the mature seeds of camphor tree. | an iron-superoxide dismutase (sod) was purified and characterized from the mature seeds of camphor tree (cinnamomum camphora). the ultraviolet and visible absorption spectra of camphor fe-sod showed patterns typical of cambialistic fe-sods. the inductively coupled plasma assay indicated that there was 0.5-1 atom of fe(2+) per camphor fe-sod subunit. the cdna of camphor fe-sod, including the coding region and the 3' noncoding region, was obtained by reverse transcription polymerase chain reaction ... | 2002 | 12147259 |
| simultaneous existence of cinnamomin (a type ii rip) and small amount of its free a- and b-chain in mature seeds of camphor tree. | cinnamomin, a type ii ribosome-inactivating protein (rip), was isolated from the mature seeds of camphor tree (cinnamomum camphora). in this paper, small amount of free a- and b-chain of cinnamomin were found to be present in the mature seed cell of c. camphora besides the intact cinnamomin. our results demonstrated that camphorin, a type i rip previously reported to coexist with cinnamomin in the seeds of c. camphora, actually was the a-chain of cinnamomin. the percentage of free a- and b-chain ... | 2003 | 12565707 |
| [effect of plant alcohol extracts on vegetable aphids and their parasitoids]. | the repelling and controlling effect of alcohol extracts from 8 common plant species on 3 major vegetable aphids (myzus persicae, aphis gossypii and lipaphis erysimi) were studied in the laboratory, and the effect on their parasitoid was also studied. the results showed that the test 8 plant species had some effects on 3 aphids. the plant alcohol extracts from tephrosia vogelli and cinnamomum camphora had the most effect. the deterrent rate on myzus persicae, aphis gossypii and lipaphis erysimi ... | 2003 | 12827881 |
| [structure of the leaves of cinnamomum camphora nees and eberm]. | 1963 | 14116263 | |
| [on the alkaloids of cinnamomum camphora (linn.) sieb]. | 1964 | 14191450 | |
| changes in lignin content of leaf litters during mulching. | alkaline nitrobenzene oxidation, ozonation and methoxyl content determinations were applied to decomposing leaf litter of ginkgo biloba l., cinnamomum camphora sieb., zelkova serrata makino and firmiana simplex w. f. wight, respectively, during mulching to investigate the properties and estimate changes in lignin composition and content. since the klason lignin residue originated from components highly resistant to degradation by acid, the methoxyl content of klason residue was used to estimate ... | 2003 | 14561520 |
| seasonal courses of co(2) exchange and carbon balance in fruits of cinnamomum camphora. | carbon dioxide exchange in fruits of cinnamomum camphora sieb. was followed over a growing season from july to december 1992. dark respiration was exponentially related to temperature, with a q(10) value near 2. light dependence of photosynthetic co(2) refixation, i.e., the ratio of gross photosynthesis to dark respiration, was approximated by a hyperbolic function. seasonal variation in maximum co(2) refixation capacity ranged between 52 and 174%, reaching a maximum in early august. daily photo ... | 1997 | 14759850 |
| analysis of translocatory balance in durian (durio zibethinus) fruit. | we estimated translocatory balance in fruit of the tropical tree durio zibethinus murray on the basis of a compartment model. rates of fruit respiration, dry weight growth and translocation increased with time. over the 8.2 weeks of fruit development, the relative distribution of translocation was 80% to dry weight growth and 20% to respiration. the ratio of respiration rate to translocation rate, which ranged from 14 to 32%, tended to decrease with time, whereas the ratio of dry weight growth r ... | 2004 | 14871778 |
| [nutrient characteristics in leaves of broadleaved seedlings in south china]. | nutrient concentrations and contents in leaves of broadleaved elaeocarpus sylvestris, castanopsis hystrix, ormosia pinnata, michelia macclurei, camellia semiserata, liquidambar formosana, castanopsis fissa, mytilaria laosensis and cinnamomum camphora seedlings were studied. leaf n, p and k concentrations in ormosia pinnata, castanopsis fissa and cinnamomum camphora were higher than those of other tree species, and leaf n, p and k contents in camellia semiserata, castanopsis fissa and cinnamomum ... | 2003 | 14997624 |
| repellency of aromatic medicinal plant extracts and a steam distillate to aedes aegypti. | the repellent activity of methanol extracts from 23 aromatic medicinal plant species and a steam distillate against female blood-starved aedes aegypti was examined in the laboratory by skin test and compared with that of n,n-diethyl-m-toluamide (deet). responses varied according to plant species. at a dose of 0.1 mg/cm2, the repellency of extracts of cinnamomum cassia bark (91%), nardostachys chinensis rhizome (81%), paeonia suffruticosa root bark (80%), and cinnamomum camphora steam distillate ... | 2004 | 15264623 |
| cleavage of supercoiled circular double-stranded dna induced by a eukaryotic cambialistic superoxide dismutase from cinnamomum camphora. | a eukaryotic cambialistic superoxide dismutase (sod) has been purified to homogeneity from mature seeds of the disease- and insect-resistant camphor tree (cinnamomum camphora). besides the known role of this sod in protecting cells against oxidative stress, it can induce the cleavage of supercoiled double-stranded dna into nicked and linear dna. it can not cleave linear dna or rna, demonstrating there is no dnase or rnase in the purified cambialistic sod. furthermore, the sod can linearize circu ... | 2004 | 15346198 |
| hydraulic conductivity, photosynthesis and leaf water balance in six evergreen woody species from fall to winter. | to confirm that freeze-thaw embolism is a primary stress for evergreen woody species in winter, hydraulic conductivity, photosynthesis and leaf water potential were measured during fall and winter in trees growing in a cool temperate zone (nikko) and in a warm temperate zone (tokyo). we examined two evergreen conifers that naturally occur in the cool temperate zone (abies firma siebold & zucc. and abies homolepis siebold & zucc.), and four evergreen broad-leaved woody species that are restricted ... | 2005 | 15631978 |
| plant regeneration from protoplasts isolated from embryogenic suspension cultured cells of cinnamomum camphora l. | an efficient and reproducible protocol is described for the regeneration of cinnamomum camphora protoplasts isolated from cultured embryogenic suspension cells. maximum protoplast yield (13.1+/-2.1x10(6)/g fw) and viability (91.8+/-3.8%) were achieved using a mixture of 3% (w/v) cellulase onozuka r10 and 3% (w/v) macerozyme onozuka r10 in 12.7% (w/v) mannitol solution containing 0.12% (w/v) mes, 0.36% (w/v) cacl(2).2h(2)o, and 0.011% (w/v) nah(2)po(4).2h(2)o. first divisions occurred 7-10 days f ... | 2005 | 15940527 |
| cytotoxicity and gene induction by some essential oils in the yeast saccharomyces cerevisiae. | in order to get an insight into the possible genotoxicity of essential oils (eos) used in traditional pharmacological applications we tested five different oils extracted from the medicinal plants origanum compactum, coriandrum sativum, artemisia herba alba, cinnamomum camphora (ravintsara aromatica) and helichrysum italicum (calendula officinalis) for genotoxic effects using the yeast saccharomyces cerevisiae. clear cytotoxic effects were observed in the diploid yeast strain d7, with the cells ... | 2005 | 15975845 |
| in vitro anti-inflammatory and anti-oxidative effects of cinnamomum camphora extracts. | cinnamomum camphora sieb (lauraceae) has long been prescribed in traditional medicine for the treatment of inflammation-related diseases such as rheumatism, sprains, bronchitis and muscle pains. in this study, therefore, we aimed to investigate the inhibitory effects of cinnamomum camphora on various inflammatory phenomena to explore its potential anti-inflammatory mechanisms under non-cytotoxic (less than 100 microg/ml) conditions. the total crude extract (100 microg/ml) prepared with 80% metha ... | 2006 | 16182479 |
| promotion of hyphal growth and underlying chemical changes in antrodia camphorata by host factors from cinnamomum camphora. | the aim of this research was to investigate the hyphal growth-promoting factors (hgfs) of antrodia camphorata from the host-related species, cinnamomum camphora (cc) and the underlying chemical produced. the hgf was identified in the polysaccharide fraction of cc at levels ranging from 80 to 320 mg l(-1), and it maximally stimulated growth to 5.50 g l(-1) during a 14-day culture period compared to that of the control of 2.88 g l(-1). we also investigated the nature and chemical composition of th ... | 2006 | 16219379 |
| repellent and insecticidal activities of essential oils from artemisia princeps and cinnamomum camphora and their effect on seed germination of wheat and broad bean. | repellent and insecticidal activities of essential oils extracted from leaves of artemisia princeps pamp and seeds of cinnamomum camphora (l.) presl. against storage pests sitophillus oryzae l. and bruchus rugimanus bohem were investigated. results showed that the two individual oils displayed good, but their mixture (1:1) exhibited much better repellent activities at concentrations from 250 to 1000 microg g(-1) and insecticidal actions at concentrations 1000 microg g(-1) against the test beetle ... | 2006 | 16230008 |
| compound salvia pellet, a traditional chinese medicine, for the treatment of chronic stable angina pectoris compared with nitrates: a meta-analysis. | compound salvia pellet (csp), consisting of active herbal ingredients extracted from danshen (salvia miltiorrhiza), sanqi (panax notoginseng), and borneol (cinnamomum camphora), is taken most frequently by patients with angina pectoris in china. to determine the efficacy and safety of csp for the treatment of stable angina pectoris (sap), a meta-analysis was undertaken. | 2006 | 16369479 |
| a comparative study on the anatomy and development of different shapes of domatia in cinnamomum camphora (lauraceae). | domatia are small organs usually found in the axils of major veins on the underside of leaves and, although they have received wide attention from ecologists, few detailed reports exist on their anatomy or development. this study is focused on the domatia of cinnamomum camphora (lauraceae) and is the first comparative study on the anatomy and development of the different shapes of domatia within a single plant. | 2006 | 16446284 |
| impact of elevated co2 concentration under three soil water levels on growth of cinnamomum camphora. | forest plays very important roles in global system with about 35% land area producing about 70% of total land net production. it is important to consider both elevated co(2) concentrations and different soil moisture when the possible effects of elevated co(2) concentration on trees are assessed. in this study, we grew cinnamomum camphora seedlings under two co(2) concentrations (350 micromol/mol and 500 micromol/mol) and three soil moisture levels [80%, 60% and 40% fwc (field water capacity)] t ... | 2006 | 16532530 |
| application of near-infrared spectroscopy in quality control and determination of adulteration of african essential oils. | an evaluation has been made of the potential of near-infrared (nir) technologies in the assessment of essential oil components and in the identification of individual essential oils. the results showed that cross-validation models are able to predict accurately almost all of the components of essential oils. in different cinnamon (cinnamomum zeylanicum) and clove (syzygium aromaticum) essential oils, which showed a similar composition, 23 components (representing 97.8-99.9% of the oil) were accu ... | 2006 | 16634289 |
| antigenotoxic effects of three essential oils in diploid yeast (saccharomyces cerevisiae) after treatments with uvc radiation, 8-mop plus uva and mms. | essential oils (eos) extracted from medicinal plants such as origanum compactum, artemisia herba alba and cinnamomum camphora are known for their beneficial effects in humans. the present study was undertaken to investigate their possible antigenotoxic effects in an eukaryotic cell system, the yeast saccharomyces cerevisiae. the eos alone showed some cytotoxicity and cytoplasmic petite mutations, i.e. mitochondrial damage, but they were unable to induce nuclear genetic events. in combination wit ... | 2006 | 16678471 |
| seasonal fluctuations and temperature dependence of leaf gas exchange parameters of co-occurring evergreen and deciduous trees in a temperate broad-leaved forest. | seasonal fluctuations in leaf gas exchange parameters were investigated in three evergreen (quercus glauca thunb., cinnamomum camphora sieb. and castanopsis cuspidata schottky) and one deciduous (quercus serrata thunb.) co-occurring, dominant tree species in a temperate broad-leaved forest. dark respiration rate (rn), maximum carboxylation rate (vcmax) and stomatal coefficient (m), the ratio of stomatal conductance to net assimilation rate after adjustment to the vapor pressure deficit and inter ... | 2006 | 16740493 |
| patchy stomatal behavior in broad-leaved trees grown in different habitats. | effects of heterogeneity in stomatal behavior on gas-exchange characteristics of leaves from four tree species growing in different climates, including temperate, tropical monsoon and tropical rain forest, were investigated by combining gas-exchange measurements and the pressure-infiltration method. field observations indicated linear relationships between whole-leaf conductance and the ratio of infiltrated to non-infiltrated leaf area (open stomata area) in dipterocarpus sublamellatus foxw. and ... | 2006 | 17169896 |
| contact and fumigant toxicity of oriental medicinal plant extracts against dermanyssus gallinae (acari: dermanyssidae). | the acaricidal activity of methanolic extracts from 40 oriental medicinal plant species and a steam distillate of cinnamomum camphora towards poultry house-collected adult dermanyssus gallinae de geer was examined using direct contact and vapour phase toxicity bioassays. results were compared with those of 15 acaricides currently used. in filter paper contact toxicity bioassays using adult d. gallinae, c. camphora steam distillate (0.0051 mgcm(-2)) was the most toxic material, followed by extrac ... | 2007 | 17289270 |
| characteristics of sewage sludge and distribution of heavy metal in plants with amendment of sewage sludge. | in order to better understand land application of sewage sludge, the characterization of heavy metals and organic pollutants were investigated in three different sewage sludges in shanghai city, china. it was found that the total concentrations of cd in all of sewage sludge and total concentrations of zn in jinshan sewage sludge, as well as those of zn, cu, and ni in taopu sludge are higher than chinese regulation limit of pollutants for sludge to be used in agriculture. leachability of hg in al ... | 2006 | 17294948 |
| anticandidial activity of some essential oils of a mega biodiversity hotspot in india. | six essential oils viz. eucalyptus citriodora, cymbopogon citratus, callistemon lanceolatus, cinnamomum camphora, citrus limon, tagetes petula, as well as two standard antibiotics, miconazole and clotrimazole, were tested in vitro for their anticandidial activity. all these essential oils exhibited higher activity than the two synthetic antibiotics. highest zone of inhibition was recorded in e. citriodora (8.50 mm microl-1) followed by c. lanceolatus (5.63 mm microl-1) establishing their promisi ... | 2007 | 17305775 |
| repellence of the red bud borer resseliella oculiperda from grafted apple trees by impregnation of rubber budding strips with essential oils. | the red bud borer resseliella oculiperda (rübs.) is a pest insect of apple trees when rootstocks are grafted with scion buds by 'shield budding'. the female midges are attracted to the wounds of the grafted buds where they lay their eggs. the larvae feed on the cambium and destroy the buds completely or partially, leading to bad union of the buds with the rootstocks. budding strips are used very often by growers to bind scion buds to rootstocks. these strips cannot prevent midges from reaching t ... | 2007 | 17421054 |
| study of the antifungal activity of acinetobacter baumannii lch001 in vitro and identification of its antifungal components. | an acinetobacter strain, given the code name lch001 and having the potential to be an endophytic antagonist, has been isolated from healthy stems of the plant cinnamomum camphora (l.) presl, guided by an in vitro screening technique. the bacterium inhibited the growth of several phytopathogenic fungi such as cryphonectria parasitica, glomerella glycines, phytophthora capsici, fusarium graminearum, botrytis cinerea, and rhizoctonia solani. biochemical, physiological, and 16s rdna sequence analysi ... | 2007 | 17534613 |
| ice propagation in plants visualized at the tissue level by infrared differential thermal analysis (idta). | we studied ice propagation in stems and leaves of various angiosperm deciduous and evergreen trees and shrubs and gymnosperms by differential thermal analysis (dta) of thermal images captured with a digital infrared camera. this so-called infrared dta (idta) technique should elucidate the smallest freezing exotherms in plant tissues. after intrinsic ice nucleation in the stem, ice spread into the leaves. on the leaf lamina, it was possible to differentiate between initial freezing in the veins a ... | 2007 | 17938098 |
| [determination of 235u/238u isotope ratios in camphor tree bark samples by mc-icp-ms after separation of uranium from matrix elements]. | twelve camphor (cinnamomum camphora) tree bark samples were collected from hiroshima and kyoto, and the matrix element composition and morphology of the outer surface of these camphor tree bark samples were studied by edxs and sem respectively. after a dry decomposition, dowex 1-x8 anion exchange resin was used to separate uranium from matrix elements in these camphor tree bark samples. finally, 235u/238 u isotope ratios in purified uranium solutions were determined by mc-icp-ms. it was demonstr ... | 2007 | 17944430 |
| fungal contamination of raw materials of some herbal drugs and recommendation of cinnamomum camphora oil as herbal fungitoxicant. | the paper explores fungal infection and aflatoxin b1 contamination of six medicinal plant samples viz. adhatoda vasica nees, asparagus racemosus linn., evolvulus alsinoides linn., glycyrrhiza glabra linn., plumbago zeylanica linn. and terminalia chebula retz. a total of 858 fungal isolates were detected from the raw materials. maximum number of fungal isolates was detected from a. racemosus (228). the genus aspergillus was found to be the most dominant genus causing infection to most of the raw ... | 2008 | 18322727 |
| [identification of host plants of the avocado borer, stenoma catenifer walsingham (lepidoptera: elachistidae) in rio grande do sul]. | fruits of nectandra megapotamica mez and cinnamomum camphora (l.) (lauraceae) were collected in rio grande do sul, brazil, in 2004. species of five families of insects were found inside the fruits: two fly species (diptera: drosophilidae: drosophila spp.), six beetle species, heilipus sp., conotrachelus sp. (curculionidae), hypothenemus sp. (scolytidae) and three species of carpophilus (nitidulidae), and moths (lepidoptera: elachistidae). the moth especimes were identified as stenoma catenifer w ... | 2008 | 18641908 |
| mesophyll freezing and effects of freeze dehydration visualized by simultaneous measurement of idta and differential imaging chlorophyll fluorescence. | infrared differential thermal analysis (idta) and differential imaging chlorophyll fluorescence (dif) were employed simultaneously to study the two-dimensional pattern of ice propagation in leaves and mesophyll freeze dehydration as detected by a significant increase of basic chlorophyll fluorescence (f(0)). idta and dif technique gave different insights into the freezing process of leaves that was highly species-specific. idta clearly visualized the freezing process consisting of an initial fas ... | 2008 | 18761699 |
| quantitative analysis of carbon balance in the reproductive organs and leaves of cinnamomum camphora (l.) presl. | we investigated seasonal changes in dry mass and co(2) exchange rate in fruit and leaves of the evergreen tree cinnamomum camphora with the aim of quantitatively determining the translocation balance between the two organs. the fruit dry mass growth peaked in both august and october: the first increase was due to fruit pulp development and the second to seed development. fruit respiration also increased with the rapid increase in fruit dry mass. therefore, the carbohydrates required for fruit de ... | 2009 | 19396511 |
| [responses of tree-ring width of cinnamomum camphora to climate change in dagangshan forest area of jiangxi province]. | by using arstan software to wipe off the growth trend of tree-ring width and transform the series into index form, the tree chronology of cinnamomum camphora in dagangshan forest area of jiangxi province was built, and the responses of the tree-ring width of c. camphora to climate change in study area were studied. the results showed that the built tree chronology included abundant environmental climatic information, which could be used in dendrochronological research. in study area, the tree-ri ... | 2009 | 19449568 |
| lousicidal, ovicidal and repellent efficacy of some essential oils against lice and flies infesting water buffaloes in egypt. | the lousicidal and repellent effects of five essential oils were investigated for the first time against the buffalo louse, haematopinus tuberculatus, and flies infesting water buffaloes in qalyubia governorate, egypt. for the in vitro studies, filter paper contact bioassays were used to test the oils and their lethal activities were compared with that of d-phenothrin. four minutes post-treatment, the median lethal concentration, lc50, values were 2.74, 7.28, 12.35, 18.67 and 22.79% for camphor ... | 2009 | 19596520 |
| diffusion of polybrominated diphenyl ether (pbde) from an e-waste recycling area to the surrounding regions in southeast china. | using cinnamomum camphora (c. camphora) leaves as biomonitors, we investigated that the diffusion of polybrominated diphenyl ethers (pbdes) from an e-waste recycling area to the surrounding regions. variance in sigma(32)pbdes concentrations (0.46-399.93 ng g(-1) dry weight) in the leaves showed that pbdes from the e-waste recycling area diffused into the surrounding regions, and resulted in a halo of pbdes contamination, at least 74 km in radius. the attenuation of sigma(32)pbdes in the diffusin ... | 2009 | 19665753 |
| terpenoid diversity in the leaf essential oils of himalayan lauraceae species. | the leaf terpenoid compositions of nine lauraceae species, viz., neolitsea pallens, lindera pulcherrima, dodecadenia grandiflora, persea duthiei, persea odoratissima, persea gamblei, phoebe lanceolata, cinnamomum tamala, and cinnamomum camphora, collected from the himalayan region (india) were examined by gc, gc/ms, and nmr analyses in order to determine the similarities and differences among their volatile constituents. furano-sesquiterpenoids were the principal constituents of n. pallens, l. p ... | 2009 | 19774599 |
| crows break off live camphor twigs: an avian disturbance effect on plants. | birds are usually considered beneficial partners for plants, acting as predators on herbivorous insects, pollinators and seed dispersal agents. however, in an urban area of central japan, birds break off large quantities of live camphor tree (cinnamomum camphora) twigs in winter. this loss of vegetative parts was examined quantitatively to estimate the impact on the trees. i also observed bird foraging behaviour to determine the species involved and the possible reasons underlying this destructi ... | 2009 | 19796368 |
| [determination of d-borneol in the different parts of cinnamomum camphora by gc-ms]. | to measure and compare the content of d-borneol in the different parts of cinnamomum camphora by gc-ms. | 2009 | 19873784 |
| [effects of no2 on cinnamomum camphora seedlings growth and photosynthesis]. | a 2-month fumigation experiment was conducted with opened top chambers to study the effects of different concentration (0.1, 0.5, and 4.0 microl x l(-1)) no2 on the growth and photosynthesis of 1-year cinnamomum camphora seedlings. fumigation with 0.1 and 0.5 microl no2 x l(-1) promoted the growth of the seedlings, while with 4.0 microl no2 x l(-1) was in adverse. the diurnal variation of net photosynthetic rate (p(n)) presented two-peaks, with an obvious depression in midday. 0.5 microl no2 x l ... | 2009 | 19899466 |
| a method of detecting carbonyl compounds in tree leaves in china. | background, aim, and scope: carbonyl compounds have been paid more and more attention because some carbonyl species have been proven to be carcinogenic or a risk for human health. plant leaves are both an important emission source and an important sink of carbonyl compounds. but the research on carbonyl compounds from plant leaves is very scarce. in order to make an approach to the emission mechanism of plant leaves, a new method was established to extract carbonyl compounds from fresh plant lea ... | 2010 | 20016999 |
| removal of copper(ii) ions by a biosorbent--cinnamomum camphora leaves powder. | in the present study, cinnamomum camphora leaves powder (clp) was investigated as a biosorbent for the removal of copper ions from aqueous solutions. the biosorbents before and after adsorption were measured by eds and ft-ir. kinetic data and sorption equilibrium isotherms were carried out in batch process. the adsorption kinetic experiments revealed that there are three stages in the whole adsorption process. it was found that cu(ii) adsorption onto clp for different initial cu(ii) concentratio ... | 2010 | 20022692 |
| mapping urban forest tree species using ikonos imagery: preliminary results. | a stepwise masking system with high-resolution ikonos imagery was developed to identify and map urban forest tree species/groups in the city of tampa, florida, usa. the eight species/groups consist of sand live oak (quercus geminata), laurel oak (quercus laurifolia), live oak (quercus virginiana), magnolia (magnolia grandiflora), pine (species group), palm (species group), camphor (cinnamomum camphora), and red maple (acer rubrum). the system was implemented with soil-adjusted vegetation index ( ... | 2011 | 20140503 |
| effects of 60-day no2 fumigation on growth, oxidative stress and antioxidative response in cinnamomum camphora seedlings. | to study the oxidative stress and antioxidative response of cinnamomum camphora seedlings exposed to nitrogen dioxide (no(2)) fumigation. | 2010 | 20205305 |
| [study on antiinflammatory effect of different chemotype of cinnamomum camphora on rat arthritis model induced by freund's adjuvant]. | to study the antiinflammatory effects of naphtha from different chemotypes of cinnamomum camphora and natural borneol on the rat arthritis model induced by freund's adjuvant. | 2009 | 20353012 |
| volatile attractants for the common bluebottle, graphium sarpedon nipponum, from the host, cinnamomum camphora. | floral scent has been shown to elicit behavioral responses by butterflies which forage for flowers after receiving appropriate signals. in comparison with investigations about the role of floral scent, those of foliar odor are, however, very few. in this study, the foliar volatiles of cinnamomum camphora (lauraceae), which had been collected by air entrainment, exhibited activities toward graphium sarpedon nipponum (papilionidae) in both electrophysiological and behavioral tests. the volatiles w ... | 2010 | 20944433 |
| transient proliferation of proanthocyanidin-accumulating cells on the epidermal apex contributes to highly aluminum-resistant root elongation in camphor tree. | aluminum (al) is a harmful element that rapidly inhibits the elongation of plant roots in acidic soils. the release of organic anions explains al resistance in annual crops, but the mechanisms that are responsible for superior al resistance in some woody plants remain unclear. we examined cell properties at the surface layer of the root apex in the camphor tree (cinnamomum camphora) to understand its high al resistance mechanism. exposure to 500 μm al for 8 d, more than 20-fold higher concentrat ... | 2011 | 21045123 |
| nitrogen isotope variations in camphor (cinnamomum camphora) leaves of different ages in upper and lower canopies as an indicator of atmospheric nitrogen sources. | nitrogen isotopic composition of new, middle-aged and old camphor leaves in upper and lower canopies has been determined in a living area, near a motorway and near an industrial area (jiangan chemical fertilizer plant). we found that at sites near roads, more positive δ(15)n values were observed in the camphor leaves, especially in old leaves of upper canopies, and ∆δ(15)n=δ(15)n(upper)-δ(15)n(lower)>0, while those near the industrial area had more negative δ(15)n values and ∆δ(15)n<0. these cou ... | 2011 | 21130551 |
| feeding stimulant in cinnamomum camphora for the common bluebottle, graphium sarpedon nipponum (lepidoptera: papilionidae). | the acceptance of camphor tree (cinnamomum camphora) as a host plant for the larvae of common bluebottle (graphium sarpedon nipponum) was explained by the presence of feeding stimulants in the leaves. when the active methanol extract of c. camphora leaves was separated into hexane and water layers, both layers showed high feeding activities for the larvae of g. sarpedon nipponum. bioassay-guided fractionation of the hexane layer resulted in the isolation of a highly active compound, which was id ... | 2013 | 21138058 |
| volatiles from steam-distilled leaves of some plant species from madagascar and new zealand and evaluation of their biological activity. | steam-distilled aerial parts of ravensara aromatica and cinnamomum camphora from madagascar and leptospermum scoparium from new zealand have been subjected to qualitative and quantitative analysis by means of gc techniques. this allowed the elucidation of conflicting data present in the available literature for these species. also, the biological activity in vitro was evaluated by measuring mics and gizs. | 2010 | 21213986 |
| patent literature on mosquito repellent inventions which contain plant essential oils--a review. | bites bites of mosquitoes belonging to the genera anopheles meigen, aedes meigen, culex l. and haemagogus l. are a general nuisance and are responsible for the transmission of important tropical diseases such as malaria, hemorrhagic dengue and yellow fevers and filariasis (elephantiasis). plants are traditional sources of mosquito repelling essential oils (eos), glyceridic oils and repellent and synergistic chemicals. a chemical abstracts search on mosquito repellent inventions containing plant- ... | 2011 | 21328177 |
| characterization of medium-chain triacylglycerol (mct)-enriched seed oil from cinnamomum camphora (lauraceae) and its oxidative stability. | medium-chain triacylglycerol (mct)-enriched oil was extracted by supercritical fluid extraction of carbon dioxide (sfe-co(2)) from cinnamomum camphora seeds. the sfe-co(2) process was optimized using the box-behnken design (bbd). the maximum oil yield (42.82%) was obtained under the optimal sfe-co(2) conditions: extraction pressure, 21.16 mpa; extraction temperature, 45.67 °c; and extraction time, 2.38 h. subsequently, the physicochemical characteristics, fatty acid composition, triacylglycerol ... | 2011 | 21456611 |
| [effects of tourism disturbance on plant diversity in qingshan lake scenic area of zhejiang province]. | from may 2007 to june 2008, an investigation was made on the changes of plant community in qingshan lake scenic area of zhejiang province under the effects of tourism disturbance. with the increase of tourism disturbance, the importance value of the plants was mainly fastened on a few species such as pinus hwangshanensis, apt to decrease for tree and shrub species and to increase for herb species, and the individuals of the plants increased. the values of richness index (d) and diversity index ( ... | 2011 | 21608239 |
| effect of wood hardness and secondary compounds on feeding preference of odontotermes formosanus (isoptera: termitidae). | odontotermes formosanus (shiraki) (isoptera: termitidae) is one of the most destructive plant pests in china, which control relies mainly on baits strategies. baits made from the wood of eight different tree species were used to study the feeding preference of this termite, and conversely wood protection strategies of the tree species. three bait types were used to identify wood protection strategies: solid wood (physical and chemical protection), crude flour (chemical protection) made from grou ... | 2011 | 21735905 |
| impact of elevated o3 on visible foliar symptom, growth and biomass of cinnamomum camphora seedlings under different nitrogen loads. | the effects of elevated ozone (o(3)) and enhanced nitrogen (n) on the growth and biomass of cinnamomum camphora, a subtropical evergreen broad-leaved tree species, were investigated. the seedlings, supplied with n (nh(4)no(3) solution) at 0, 30 and 60 kg ha(-1) year(-1) (simplified as n0, n30, n60, respectively), were exposed to ambient (aa) or elevated o(3) (aa + 60 nmol mol(-1) and aa + 120 nmol mol(-1), designated as aa + 60 and aa + 120, respectively) for the 2009 and 2010 growing seasons. s ... | 2011 | 21853164 |
| Toxicity of essential and non-essential oils against the chewing louse, Bovicola (Werneckiella) ocellatus. | The toxicity of six plant essential oils to the chewing louse, Bovicola (Werneckiella) ocellatus collected from donkeys, was examined in laboratory bioassays. The oils examined were: tea-tree (Melaleuca alternifolia), lavender (Lavandula angustifolia), peppermint (Mentha piperita), eucalyptus (Eucalyptus globulus Labillardiere), clove bud (Eugenia caryophyllata) and camphor (Cinnamomum camphora). All except camphor oil showed high levels of toxicity, with significant dose-dependent mortality and ... | 2011 | 22177577 |
| development of microsatellite markers for cinnamomum camphora (lauraceae). | cinnamomum camphora is an evergreen tree distributed in southern japan, taiwan, and southeastern china. because of its vast utilization and cultivation, the natural distribution area of this species has been controversial. | 2012 | 22223691 |
| indicating atmospheric sulfur by means of s-isotope in leaves of the plane, osmanthus and camphor trees. | foliar δ(34)s values of three soil-growing plant species (platanus orientalis l., osmanthus fragrans l. and cinnamomum camphora) have been analyzed to indicate atmospheric sulfur. the foliar δ(34)s values of the three plant species averaged -3.11±1.94‰, similar to those of both soil sulfur (-3.73±1.04‰) and rainwater sulfate (-3.07±2.74‰). this may indicate that little isotopic fractionation had taken place in the process of sulfur uptake by root or leaves. the δ(34)s values changed little in th ... | 2012 | 22243850 |
| antifungal activity of plant extracts against colletotrichum lagenarium, the causal agent of anthracnose in cucumber. | colletotrichum lagenarium is an important plant-pathogenic fungus that causes anthracnose of cucumber, a disease that is widespread under both greenhouse and field cultivation. to find a promising method for the control of this disease, extracts of eight plants from china were screened in the study presented here. | 2012 | 22246784 |
| responses of native broadleaved woody species to elevated ozone in subtropical china. | to assess ozone sensitivity of subtropical broadleaved tree species and explore possible underlying mechanisms, six evergreen and two deciduous native species were exposed to either charcoal-filtered air or elevated o(3) (e-o(3), ∼150ppb) for one growing season. initial visible symptoms in deciduous species appeared much earlier than those in evergreen species. the species which first showed visible symptoms also had the largest reductions in biomass. e-o(3) induced significant decreases in phot ... | 2012 | 22325443 |
| [volatile metabolites analysis and molecular identification of endophytic fungi bn12 from cinnamomum camphora chvar. borneol]. | to identify endophytic fungi bn12 from cinnamomum camphora chvar, borneol and analysis its volatile metabolites. | 2011 | 22393723 |
| enzymatic interesterification of palm stearin with cinnamomum camphora seed oil to produce zero-trans medium-chain triacylglycerols-enriched plastic fat. | it is known that cinnamomum camphora seed oil (ccso) is rich in medium-chain fatty acids (mcfas) or medium-chain triacylglycerols (mcts). the purpose of the present study was to produce zero-trans mcts-enriched plastic fat from a lipid mixture (500 g) of palm stearin (ps) and ccso at 3 weight ratios (ps:ccso 60:40, 70:30, 80:20, wt/wt) by using lipase (lipozyme tl im, 10% of total substrate) as a catalyst at 65 °c for 8 h. the major fatty acids of the products were palmitic acid (c16:0, 42.68% t ... | 2012 | 22515238 |
| modeled dosage-response relationship on the net photosynthetic rate for the sensitivity to acid rain of 21 plant species. | this study investigated the sensitivity of plant species to acid rain based on the modeled dosage-response relationship on the net photosynthetic rate (p (n)) of 21 types of plant species, subjected to the exposure of simulated acid rain (sar) for 5 times during a period of 50 days. variable responses of p (n) to sar occurred depending on the type of plant. a majority (13 species) of the dosage-response relationship could be described by an s-shaped curve and be fitted with the boltzmann model. ... | 2012 | 22562418 |
| effect of tree species and end seal on attractiveness and utility of cut bolts to the redbay ambrosia beetle and granulate ambrosia beetle (coleoptera: curculionidae: scolytinae). | the redbay ambrosia beetle, xyleborus glabratus eichhoff, is a non-native invasive pest and vector of the fungus that causes laurel wilt disease in certain trees of the family lauraceae. this study assessed the relative attractiveness and suitability of cut bolts of several tree species to x. glabratus. in 2009, female x. glabratus were equally attracted to traps baited with swampbay (persea palustris (rafinesque) sargent) and camphortree (cinnamomum camphora (l.) j. presl), which were more attr ... | 2012 | 22606816 |
| molecular characterization, expression patterns, and ligand-binding properties of two odorant-binding protein genes from orthaga achatina (butler) (lepidoptera: pyralidae). | it is postulated that insect pheromone-binding proteins (pbps) are involved in sex pheromone reception, while the general odorant-binding proteins (gobps) are involved in reception of the general odorants including plant volatiles. however, this functional specificity is not completely conclusive. in the present study, full-length sequences of two new obp genes were molecularly identified as oachpbp1 and oachgobp2 from orthaga achatina, an important pest of the camphor tree cinnamomum camphora. ... | 2012 | 22648659 |
| effectiveness and mechanisms of hydrogen sulfide adsorption by camphor-derived biochar. | the characteristics and mechanisms of hydrogen sulfide (h2s) adsorption on a biochar through pyrolysis at various temperatures (100 to 500 degrees c) were investigated. the biochar used in the current study was derived from the camphor tree (cinnamomum camphora). the samples were ground and sieved to produceparticle sizes of 0.4 mm to 1.25 mm, 0.3 mm to 0.4 mm, and <0.3 mm. the h2s breakthrough capacity was measured using a laboratory-designed test. the surface properties of the biochar were cha ... | 2012 | 22916434 |
| ultrastructural studies on the natural leaf senescence of cinnamomum camphora. | the process of natural leaf senescence of cinnamomum camphora (c. camphora)-a commercial tree in asia, was investigated, focusing on changes in cellular ultrastructure, epicuticular wax, and stoma. the changes to mesophyll cells in a senescing leaf predominantly include degradation of the following cellular components: cytoplasm, the central vacuole, small vacuoles, and vesicles with a diameter smaller than 400 nm, which are involved in the degradation of chloroplasts. the sequence of change in ... | 2013 | 23292543 |
| enzymatic production of zero-trans plastic fat rich in α-linolenic acid and medium-chain fatty acids from highly hydrogenated soybean oil, cinnamomum camphora seed oil, and perilla oil by lipozyme tl im. | in the present study, zero-trans α-linolenic acid (ala) and medium-chain fatty acids (mcfa)-enriched plastic fats were synthesized through enzymatic interesterification reactions from highly hydrogenated soybean oil (hso), cinnamomum camphora seed oil (ccso), and perilla oil (po). the reactions were performed by incubating the blending mixtures of hso, ccso, and po at different weight ratios (60:40:100, 70:30:100, 80:20:100) using 10% (total weight of substrate) of lipozyme tl im at 65 °c for 8 ... | 2013 | 23350869 |
| synthesis of customized petroleum-replica fuel molecules by targeted modification of free fatty acid pools in escherichia coli. | biofuels are the most immediate, practical solution for mitigating dependence on fossil hydrocarbons, but current biofuels (alcohols and biodiesels) require significant downstream processing and are not fully compatible with modern, mass-market internal combustion engines. rather, the ideal biofuels are structurally and chemically identical to the fossil fuels they seek to replace (i.e., aliphatic n- and iso-alkanes and -alkenes of various chain lengths). here we report on production of such pet ... | 2013 | 23610415 |
| camphor--a fumigant during the black death and a coveted fragrant wood in ancient egypt and babylon--a review. | the fragrant camphor tree (cinnamomum camphora) and its products, such as camphor oil, have been coveted since ancient times. having a rich history of traditional use, it was particularly used as a fumigant during the era of the black death and considered as a valuable ingredient in both perfume and embalming fluid. camphor has been widely used as a fragrance in cosmetics, as a food flavourant, as a common ingredient in household cleaners, as well as in topically applied analgesics and rubefacie ... | 2013 | 23666009 |
| synthesis of medium chain length fatty acid ethyl esters in engineered escherichia coli using endogenously produced medium chain fatty acids. | microbial biosynthesis of fatty acid-derived biofuels from renewable carbon sources has attracted significant attention in recent years. free fatty acids (ffas) can be used as precursors for the production of micro-diesel. the expression of codon optimized two plants (umbellularia californica and cinnamomum camphora) medium-chain acyl-acyl carrier protein (acp) thioesterase genes (ucfatb and ccfatb) in escherichia coli resulted in a very high level of extractable medium-chain-specific hydrolytic ... | 2013 | 23769314 |
| [leaf micro-morphology and features in adsorbing air suspended particulate matter and accumulating heavy metals in seven trees species]. | the purpose of this study was to assess the relationship between tree leaf micro-morphology and features in adsorbing air suspended particulate matter and accumulating heavy metals. seven tree species, including ginkgo biloba, at heavy traffic density site in huainan were selected to analyze the frequency of air particulate matter retained by leaves, the particle amount of different sizes per unit leaf area retained by leaves and its related micro-morphology structure, and the relationship betwe ... | 2013 | 23947057 |
| [mollusicidal effects of some species of plants in hilly and mountainous areas]. | to valuate the mollusicidal effects of some plants cultivated in the hilly and mountainous areas on oncomelania hupensis and screen the plants against o. hupensis snails. | 2013 | 24024443 |
| [effects of nitrogen addition on red soil microbes in the cinnamomum camphora plantation]. | in order to investigate the effects of nitrogen addition on the red soil microbial communities in cinnamomum camphora plantation, three treatments of nitrogen addition were designated as control (n0: 0 g x m(-2)), low nitrogen (n1: 5 g x m(-2)) and high nitrogen (n2 :15 g x m(-2)). soil microbial numbers, microbial biomass carbon (c), biomass n and microbial community functional diversity were analyzed using the methods of plate counting, chloroform fumigation and biolog system, respectively. th ... | 2013 | 24191573 |
| [variation characteristics of fine particulate matter pm2.5 concentration in three urban recreational forests in hui mountain of wuxi city, jiangsu province of east china]. | it is of significance to understand the controlling effects of urban forest on atmospheric fine particulate matter pm2.5 pollution. this paper monitored the variations of atmospheric pm2.5 concentrations in three typical urban recreational forests (cinnamomum camphora, pinus elliotii, and quercus variabilis ) in the hui mountain of wuxi city during the day time (5:00 am-19:00 pm) in autumn and winter, 2011 and in spring and summer, 2012. the meteorological factors were observed simultaneously. t ... | 2013 | 24417105 |
| spatial distribution and source apportionment of polycyclic aromatic hydrocarbons (pahs) in camphor (cinnamomum camphora) tree bark from southern jiangsu, china. | the concentrations and sources of polycyclic aromatic hydrocarbons (pahs) were investigated in camphor tree bark from southern jiangsu, china. tree bark samples were collected in august 2012. the σ15pahs concentrations were ranged from 6.18 to 1560 ng g(-1)dry weight (dw), with an average value of 407 ng g(-1)dw. generally, the concentrations of pahs in the suburban areas were the highest, followed by urban and rural areas. principal component analysis and diagnostic ratios results showed that v ... | 2014 | 24480428 |
| [fine root biomass and carbon storage in surface soil of cinnamomum camphora plantation in rainy area of west china]. | fine root in forest ecosystems plays an important role in global c cycle. in this study, a measurement was made on the fine root biomass and carbon storage in the surface soil (0-30 cm) of a 31 year-old cinnamomum camphora plantation in the rainy area of west china in november, 2010-december, 2011. the total biomass and carbon storage of the fine roots (living and dead) in the surface soil were 1592.29 kg x hm(-2) and 660.68 kg c x hm(-2), in which, living fine roots accounted for 91.1% and 91.8 ... | 2013 | 24483067 |
| central effects of camphor on gnrh and sexual hormones in male rat. | in persian traditional medicine is believed that camphor (a crystalline ketone obtained from cinnamomum camphora) is a suppressor of sexual behaviors. this study examined the central effects of camphor on sexual hormones (lh, fsh and testosterone) and gnrh plasma levels in male rat. male wistar rats weighing 250-260gr were selected and divided into control (no treatment), sham (icv injection of etoh 10%) and treatment (icv injection of camphor in three doses 4, 20, 40 µg/ 10µl in alcohol) groups ... | 2012 | 24551777 |
| bioactivities and compositional analyses of cinnamomum essential oils from nepal: c. camphora, c. tamala, and c. glaucescens. | this work examines the biological activity of essential oils of cinnamomum camphora leaves, c. glaucescens fruit, and c. tamala root from nepal. the oils were screened for phytotoxic activity against lettuce and perennial ryegrass, brine shrimp lethality, and antibacterial, antifungal, cytotoxic, insecticidal, and nematicidal activities. c. camphora leaf essential oil was phytotoxic to lettuce, antifungal to aspergillus niger, and insecticidal, particularly toward midge and butterfly larvae, fru ... | 2013 | 24555298 |
| the effect of camphor on sex hormones levels in rats. | in some traditional therapies, it has been claimed that camphor (a crystalline ketone obtained from cinnamomum camphora) would be a suppressor of sexual behaviors and sex hormones. this study evaluated the effects of camphor on sex hormones, like luteinizing hormone (lh), follicle-stimulating hormone (fsh) and testosterone. in this experimental study, 56 male rats were divided into 5 groups, including control (n=12), sham (n=11) and three treatment groups (n=11) in three different doses. the sha ... | 2014 | 24567939 |
| [effects of understory removal on soil labile organic carbon pool in a cinnamomum camphora plantation]. | taking a 48-year-old cinnamomum camphora plantation in the eastern area of our subtropics as test object, this paper studied the labile organic carbon contents and their ratios to the total organic carbon (toc) in 0-60 cm soil layer under effects of understory removal (ur). as compared with no understory removal (ck), the soil toc and easily-oxidized carbon (eoc) contents under ur decreased, with a decrement of 4.8% - 34.1% and 27.1% - 36.2%, respectively, and the toc and eoc contents had a sign ... | 2013 | 24697049 |
| [transcriptome analysis for leaves of five chemical types in cinnamomum camphora]. | camphor tree (cinnamomum camphora) is a representative species in lauraceae family, and can be subdivided into five types: linalool, camphor, cineol, iso-nerolidol and borneol. in this paper, the leaves transcriptomes of cinnamomum camphora were sequenced with the platform of illumina hiseq™ 2000. based on the go (gene ontology), cog (clusters of orthologous groups), and kegg (kyoto encyclopedia of genes and genomes) database, the function classification, pathway annotation, and the coding seque ... | 2014 | 24846919 |
| [levels and possible sources of organochlorine pesticides (ocps) in camphor (cinnamomum camphora) tree bark from southern jiangsu, china]. | thirty-three camphor tree bark samples were collected from southern jiangsu in august 2012. they were analyzed for organochlorine pesticides (ocps), including hexachlorobenzene (hcb), ddts (o,p'-dde, p,p'-dde, o,p'-ddd, p,p'-ddd, o,p'-ddt and p,p'-ddt), trans-chlordane and cis-chlordane. the concentrations of hcb, sigma6 ddts and sigma chlordanes ranged (dw) from 0.31 ng x g(-1) to 1.81 ng x g(-1), 0.40 ng x g(-1) to 17.3 ng x g(-1) and n. d. to 1.03 ng x g(-1), respectively. due to the high vol ... | 2014 | 24881411 |
| non-stomatal limitation to photosynthesis in cinnamomum camphora seedings exposed to elevated o3. | ozone (o3) is the most phytotoxic air pollutant for global forests, with decreased photosynthesis widely regarded as one of its most common effects. however, controversy exists concerning the mechanism that underlies the depressing effects of o3 on co2 assimilation. in the present study, seedlings of cinnamomum camphora, a subtropical evergreen tree species that has rarely been studied, were exposed to ambient air (aa), ambient air plus 60 [ppb] o3 (aa+60), or ambient air plus 120 [ppb] o3 (aa+1 ... | 2014 | 24892748 |
| north american lauraceae: terpenoid emissions, relative attraction and boring preferences of redbay ambrosia beetle, xyleborus glabratus (coleoptera: curculionidae: scolytinae). | the invasive redbay ambrosia beetle, xyleborus glabratus, is the primary vector of raffaelea lauricola, a symbiotic fungus and the etiologic agent of laurel wilt. this lethal disease has caused severe mortality of redbay (persea borbonia) and swampbay (p. palustris) trees in the southeastern usa, threatens avocado (p. americana) production in florida, and has potential to impact additional new world species. to date, all north american hosts of x. glabratus and suscepts of laurel wilt are member ... | 2014 | 25007073 |