| [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 |
| [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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [structure of the leaves of cinnamomum camphora nees and eberm]. | | 1963 | 14116263 |
| 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 |
| 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 |
| 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 |
| [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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [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 |
| [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 |
| 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 |
| 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 |
| [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 |
| 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 |
| 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 |
| 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 |
| [on the alkaloids of cinnamomum camphora (linn.) sieb]. | | 1964 | 14191450 |
| differential palatability of leaf litter to four sympatric isopods in a hong kong forest. | the feeding behaviour of four sympatric isopods from a hong kong forest has been investigated. the study included two armadillids (formosillo raffaelei and orodillo maculatus) and two philosciids (burmoniscus ocellatus and burmoniscus sp.). when given a choice of eight types of litter, all isopod species showed significant dietary selection, and food preferences were similar. berchemia racemosa (rhamnaceae) was most readily consumed, followed by celtis sinensis (ulmaceac), while feeding rates on ... | 1990 | 28313032 |
| two phenol ethers and an aliphatic ketone of the essential oil of the kusunoki (cinnamomum camphora, sieb.). | | 1969 | 5394273 |