解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::A sesquiterpenoid quinone, epi-ilimaquinone (1), and two sesquiterpene amino quinones, smenospongine (2) and glycinylilimaquinone (3), were isolated from the Fijian marine sponge Hippospongia sp. The structures of these compounds were determined by spectroscopic analysis. Compounds 1 and 3 were reported for the first ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.722086
更新日期:2013-01-01 00:00:00
abstract::In this study, essential oil compositions of two Hypericum L. taxa (Hypericum triquetrifolium Turra. and Hypericum aviculariifolium Jaub. et Spach subsp. depilatum var. depilatum (Freyn et Bornm.) Robson) naturally grown in Turkey were determined using gas chromatography and gas chromatography-mass spectrometry system...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.636743
更新日期:2012-11-01 00:00:00
abstract::A new triterpenoid saponin, silenoviscoside F (1), was isolated from the roots of Silene viscidula, together with three known saponins, dianchinenoside D (2), sinocrassuloside I (3) and sinocrassuloside II (4). The structure of compound 1 was elucidated by spectroscopic data, GC-MS and chemical methods. The structures...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.637216
更新日期:2012-11-01 00:00:00
abstract::One novel hexanordammarane glycoside, ginsenoside R(10), was isolated from the leaves and stems of Panax quinquefolium L. as a minor constituent. It is the first time that a hexanordammarane glycoside isolated from the plant of Panax quinquefolium L. Its structure was elucidated as 3-O-β-D-glucopyranosyl-3β, 12β-dihyd...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.551768
更新日期:2012-01-01 00:00:00
abstract::Essential oil composition of the leaves of Viola odorata L. growing wild in Kashan, central Iran, was extracted by hydro distillation-solvent extraction method and analysed using GC-MS technique. The analysis revealed the presence of 25 identified compounds, representing 92.77% of the oil with butyl-2-ethylhexylphthal...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.558013
更新日期:2012-01-01 00:00:00
abstract::The biological properties of medicinal plants have been documented worldwide for many centuries. We aimed to evaluate interactions between crude extracts from Psidium guajava, Zingiber officinale, Cymbopogon citratus, Caryophyllus aromaticus, Mikania glomerata and Allium sativum samples and antimicrobial drugs against...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.568943
更新日期:2012-01-01 00:00:00
abstract::Polyphenol concentrations were quantified by rapid resolution liquid chromatography/mass spectrometry in white table grape. The experimental vineyard was subjected to different kinds of water supply and supply rates. Samples from the same vineyards were also analysed after 6 weeks of storage in a refrigerator and afte...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.606623
更新日期:2012-01-01 00:00:00
abstract::A new protopine alkaloid, protomexicine and a new isoflavonoid, mexitin, together with 8-methoxydihydrosanguinarine, 13-oxoprotopine, rutin and quercetrin have been isolated from the aerial part of the methanolic extract of Argemone mexicana. The structures of these compounds have been established by various spectral ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.529809
更新日期:2012-01-01 00:00:00
abstract::Essential oils derived from six different phenophases, namely early vegetative stage, late vegetative stage, early flowering stage, full flowering stage (FFS), late flowering stage and seed shattering stage of Origanum vulgare L. grown in Kumaon region of Uttarakhand, India were investigated by GC and GC-MS. A total o...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.602017
更新日期:2012-01-01 00:00:00
abstract::Proximate composition of the seeds and chemical analysis of the oils of Lonchocarpus sericeus and Lonchocarpus cyanescens were determined. The oil content of the seed of L. cyanescens is 29.71 ± 0.20% while that of L. sericeus is 28.00 ± 0.50%. The seeds as well as the oils of L. cyanescens and L. sericeus were found ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.643311
更新日期:2012-01-01 00:00:00
abstract::The chemical composition of the volatile extract (yield ≈ 0.13%, v/w) from the bark of Quercus leucotrichophora (Fagaceae) was analysed for the first time by GC-MS. Twenty-three constituents, amounting to 93.0% of the total detected contents of the volatile extract, were identified. The volatile extract contained appr...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.564584
更新日期:2012-01-01 00:00:00
abstract::Two new anthraquinone malonylglucosides polygonins A and B were isolated from Polygonum cuspidatum along with seven known compounds. The structures of 1 and 2 were elucidated based on their spectroscopic data. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.578072
更新日期:2012-01-01 00:00:00
abstract::Fructose feeding induces a rise in blood pressure in normal rats that is associated with insulin resistance, hyperinsulinemia, hyperglycaemia, hypercholesterolaemia and hypertriglyceridaemia. We have examined the effect of chronic administration of A-HRS (100 and 300 mg kg⁻¹; p.o.) isolated from Hibiscus rosa sinensis...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.534473
更新日期:2012-01-01 00:00:00
abstract::A novel Amaryllidaceae alkaloid, 6-O-methylkrigeine, has been isolated from Nerine huttoniae and the configuration was elucidated by 1-D and 2-D (1)H-NMR, (13)C-NMR, HRMS and optical rotation. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.533668
更新日期:2012-01-01 00:00:00
abstract::β-Glucan, derived from Saccharomyces cerevisiae, is a biological response modifier which affects the innate and adaptive immune responses. The CCR5 chemokine receptor is crucial for immune cell responses. In this study, the effects of the carboxymethylated form of β-glucan (CM-G) on the lymphocyte population of CCR5 g...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.535159
更新日期:2012-01-01 00:00:00
abstract::Trichosanthes dioica Roxb. (Cucurbitaceae), named 'pointed gourd' in English, is a dioecious climber grown in India. This study was aimed at evaluating the laxative activity of the aqueous extract of T. dioica root (TDA) in Swiss albino mice. The laxative activity of TDA (100 and 200 mg kg(-1) body weight per os) was ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.535161
更新日期:2012-01-01 00:00:00
abstract::The essential oil composition of the aerial parts of Nepeta erecta Benth. (Family: Lamiaceae) from Uttarakhand, India was analysed by capillary gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). A total of 34 constituents were identified representing 94.6% of the oil composition. Oxygenated mono...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.531393
更新日期:2012-01-01 00:00:00
abstract::Methanolic extracts of 18 Thai plants from Doi Tung, the north of Thailand, were examined for brine shrimp lethality and antioxidative activity using 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. In brine shrimp lethality, the highly toxic plant extracts were Mitrephora wangii (LC(50) 14.8 µg mL(-1)) and Hydrocotyle jav...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.534469
更新日期:2012-01-01 00:00:00
abstract::Illicium lanceolatum is a popular aromatic and medicinal plant in China. Essential oil from the roots of I. lanceolatum, obtained by hydrodistillation, was analysed by GC-MS. The essential oil was dominated by phenylpropenes. The major components were myristicin (17.63%), α-asarone (17.23%), methyl isoeugenol (11.19%)...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.603318
更新日期:2012-01-01 00:00:00
abstract::Ginsenoside Re (G-Re) is a major ingredient of the ginseng bud. A novel and rapid method to isolate and purify G-Re from ginseng buds was established. The procedure involves solvent extraction of ginseng bud powder, then pre-purification with an active carbon column and purification by preparative HPLC (prep-HPLC). Ac...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.540577
更新日期:2012-01-01 00:00:00
abstract::One new triterpenoid olean-18-ene-1β, 2α, 3β-triol (1) along with four known compounds were isolated from the chloroform extract of the aerial part of Salvia atropatana Bunge. The known compounds were two flavonoids, 5-hydroxy-7,4'-dimethoxyflavone (2) and 5-hydroxy-6,7,4'-trimethoxyflavone (3), an abietane-type diter...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.628668
更新日期:2012-01-01 00:00:00
abstract::Two new lupene-type triterpenoids, 3β,6β-dihydroxylup-20(29)-en-28-oic acid β-glucopyranosyl ester (1) and 2α-acetoxyl-3β,6β-dihydroxylup-20(29)-en-28-oic acid β-glucopyranosyl ester (2), along with 18 known compounds, were isolated from Liquidambar formosana. The structures were elucidated on the basis of spectroscop...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.539569
更新日期:2012-01-01 00:00:00
abstract::Analgesic and anti-inflammatory activities of the aqueous and ethanol extracts of Thespesia populnea Soland. ex. Correa (Malvaceae) leaves were evaluated in animal models. Orally-administered aqueous and ethanol extracts (100, 200 and 400 mg kg⁻¹ bw) showed significant analgesic activity in chemical-, mechanical- and ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.574134
更新日期:2012-01-01 00:00:00
abstract::This study investigated the pharmacokinetics of hesperidin (HP), ferulic acid (FA) and p-coumaric acid (CA) in rat plasma after oral administration of Portulaca oleracea L. extract (POE). The plasma concentrations were determined by HPLC with vitexin-2″-O-rhamnoside (VR) as internal standard. The calibration curves we...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.648193
更新日期:2012-01-01 00:00:00
abstract::Cinobufagin was one of the important cardenolidal steroids and a major component of Chan'Su, a famous traditional Chinese medicine. The urinary metabolites of cinobufagin after single oral doses of 25 mg kg⁻¹ in rats were investigated. Eleven metabolites were isolated and purified by liquid-liquid extraction, open-col...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.510798
更新日期:2012-01-01 00:00:00
abstract::A series of new thiazolyl chalcones, 1-[2-amino-4-methyl-1,3-thiazol-5-yl]-3-aryl-prop-2-en-1-one were prepared by piperidine mediated Claisen-Schmidt condensation of thiazolyl ketone with aromatic aldehyde. These chalcones on cyclisation gave 2-amino-6-(2-amino-4-methyl-1,3-thiazol-5-yl)-4-aryl-4H-pyridine-3-carbonit...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.536161
更新日期:2012-01-01 00:00:00
abstract::The aqueous methanolic extracts of Melastoma malabathricum L. exhibited antibacterial activity when assayed against seven microorganisms by the agar diffusion method. Solvent fractionation afforded active chloroform and ethyl acetate fractions from the leaves and the flowers, respectively. A phytochemical study result...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.538395
更新日期:2012-01-01 00:00:00
abstract::Propolis is a honeybee product that has been used since ancient times because of its therapeutic effects. It can be used in the development of alternative therapies for the treatment of many diseases, and because propolis shows antibacterial action, this work was carried out in order to investigate a possible synergis...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786411003754355
更新日期:2012-01-01 00:00:00
abstract::This work was carried out to study the effect of topical application of Andrographis paniculata on the rate of wound enclosure and its histological features. A wound was created in four groups of rat in posterior neck region. Blank placebo was applied topically to the wounds of Group 1. Groups 2 and 3 were dressed wit...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.496114
更新日期:2012-01-01 00:00:00
abstract::A series of (E)-1-(4-alkyloxyphenyl)-3-(hydroxyphenyl)-prop-2-en-1-one have been successfully synthesised via Claisen-Schmidt condensation. The synthesised chalcone derivatives consisted of hydroxyl groups at either ortho, meta or para position and differed in the length of the alkyl groups, C (n) H(2) (n) (+1,) whe...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.502896
更新日期:2012-01-01 00:00:00
abstract::In this study, 12 compounds, which include a new flavanone 5-methoxy mundulin, were isolated from the leaves, stem bark and twigs of Mundulea sericea (Willd.) A. Chev. (Fabaceae; Papilionoideae). The structures of the compounds were identified based on spectral data analyses. The constituents of M. sericea also showed...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.616504
更新日期:2012-01-01 00:00:00
abstract::The essential oil of the 'resurrection plant' Myrothamnus moschatus (Baillon) Niedenzu endemic to Madagascar, where it is used in traditional medicine, was investigated for the first time for some biological activities. GC-FID and GC-MS analyses revealed trans-pinocarveol (35.6%), pinocarvone (20.0%), β-selinene (8.5%...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.665916
更新日期:2012-01-01 00:00:00
abstract::The antioxidant, nitric oxide (NO) scavenging and malondialdehyde (MDA) scavenging activities of different Zataria multiflora (ZM) chemotype essential oils (EOs) were investigated. The main components are: ZM1 (carvacrol, p-cymene), ZM2 (carvacrol, p-cymene), ZM3 (carvacrol, p-cymene), ZM4 (linalool), ZM5 (carvacrol, ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.631136
更新日期:2012-01-01 00:00:00
abstract::A phytochemical study of Asplenium ruta-muraria L. (Aspleniaceae) led to the isolation of a new caffeic acid glycoside, 2-O-caffeoyl-β-D-fructofuranosyl-(2 → 1)-α-D-glucopyranoside and an (α, β)-isomeric pair of 2E-caffeoyl-D-glucopyranoside, together with kaempferol-3-O-β-D-[6-E-caffeoyl-β-D-glucopyranosyl-(1 → 2)glu...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.599805
更新日期:2012-01-01 00:00:00
abstract::This study showed for the first time the antioxidant and hypoglycaemic properties of the methanol, n-hexane and ethyl acetate extracts from Senecio stabianus Lacaita, a plant that belongs to the Asteraceae family. The antioxidant activities were carried out using two different in vitro assays, namely 2,2-diphenyl-1-pi...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.488233
更新日期:2012-01-01 00:00:00
abstract::A high performance liquid chromatography-time-of-flight-mass spectrometry (HPLC-TOF-MS) method was developed for analysing the chemical constituents in Hedyotis diffusa, which is widely used as a traditional Chinese medicine (TCM) in the field of cancer treatment. The compounds were identified either by comparing the ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.537275
更新日期:2012-01-01 00:00:00
abstract::N-methylasimilobine (1), a new-found strong acetylcholinesterase (AChE) inhibitor, along with two weakly active aporphine alkaloids, nuciferine (2) and nornuciferine (3) were separated from Nelumbo nucifera. N-methylasimilobine (1) inhibited 50% of AChE activity at the concentrations of 1.5 ± 0.2 µg mL(-1) when the st...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2010.487188
更新日期:2012-01-01 00:00:00
abstract::A wide range of proteinaceous inhibitors are present in plants to protect themselves from hydrolytic enzymes. In this study, turmerin, a water-soluble peptide in turmeric rhizomes, was evaluated for its inhibitory potential against glucosidase and its antioxidant (AO) capacity. Turmerin inhibited α-amylase and α-gluco...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.589386
更新日期:2012-01-01 00:00:00
abstract::The chemical composition of the essential oils obtained from the fresh leaves of Cinnamomum tamala Nees et Eberm. was determined by GC and GC-MS. The yield of the oil on a dry weight basis ranged from 1.2% to 3.9% (w/w). Phenyl propanoids constitute the major portion (88.9-95.0%) of the oils. Fifty-four compounds were...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.599806
更新日期:2012-01-01 00:00:00
abstract::The ethanol extract of roots of Solidago canadensis yielded eight labdane-type diterpenes. Five of those were new natural compounds (9,13,15,16-bisepoxy-labdane-7-ene-6,15-dione (3a), 13-epi-9,13,15,16-bisepoxy-labdane-7-ene-6,15-dione (3b), 15,16-epoxy-labdane-7,13-diene-6,16-dione (5), 15-ethoxy-9,13,15,16-bisepoxy-...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.565005
更新日期:2012-01-01 00:00:00