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::Three new diterpenoids, liquidambolide A (1) and liquiditerpenoic acids A (2) and B (3), together with 10 known diterpenes were isolated from the resin of Liquidambar formosana Hance, whose structures were elucidated by detailed analysis on the NMR and HR-ESI-MS spectra. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.825915
更新日期:2014-01-01 00:00:00
abstract::Phytochemical investigation of the twigs of Garcinia nobilis led to the isolation of a new xanthone, named l-hydroxy-2,5-dimethoxyxanthone (1), together with 15 known compounds (2-16). The structures of the new and known compounds were established by means of spectroscopic methods and by comparison with previously rep...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.903398
更新日期:2014-01-01 00:00:00
abstract::Oxygen radical absorbance capacity (ORAC) is a widely used hydrogen atom transfer-based method which measures the antioxidant capacity of natural products. ORAC values of oleaster (Elaeagnus angustifolia L.), which was extracted with ethanol/acetone (7:3, v/v), ethanol/water (1:1, v/v) and methanol/water (1:1, v/v) in...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.913243
更新日期:2014-01-01 00:00:00
abstract::A total of nine oilseeds with more than 15 wt% oil have been investigated for evaluating them as feedstock for biodiesel industries. Fatty acid profiles of all the nine oil samples have been determined by GC-MS analysis. The saponification numbers, gross heats of combustion of the oils and those of corresponding fatty...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.881361
更新日期:2014-01-01 00:00:00
abstract::Biotransformation of corosolic acid (1) by Cochliobolus lunatus and Streptomyces asparaginoviolaceus afforded four metabolites, which were identified by using (1)H NMR, (13)C NMR, DEPT, HSQC, HMBC and NOESY spectral data. Biotransformation of corosolic acid by C. lunatus R.R. Nelson & Haasis CGMCC 3.4381 produced thre...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.955485
更新日期:2014-01-01 00:00:00
abstract::Platelet aggregation is fundamental to a wide range of physiological and pathological processes, including the induction of thrombosis and arteriosclerosis. Anti-platelet activity of a crude methanol extract and solvent fractions of Ashitaba roots (Angelica keiskei Koidz.) was evaluated using a turbidimetric method us...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.931389
更新日期:2014-01-01 00:00:00
abstract::An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity aga...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.879304
更新日期:2014-01-01 00:00:00
abstract::The latex of Ficus carica Linn. (Moraceae) has been shown to possess antiviral properties against some human viruses. To determine the ability of F. carica latex (F-latex) to interfere with the infection of caprine herpesvirus-1 (CpHV-1) in vitro, F-latex was resuspended in culture media containing 1% ethanol and was ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.918120
更新日期:2014-01-01 00:00:00
abstract::The purpose of this study is to identify the quantity and antibacterial activity of the individual phenolic compounds in Brazilian red propolis. Quantitative analysis of the 12 phenolic compounds in Brazilian red propolis was carried out using reversed-phase high-performance liquid chromatography. The main phenolic co...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.898146
更新日期:2014-01-01 00:00:00
abstract::This work is an attempt to explore the anti-spermatogenic activity of Pistia stratiotes and to investigate it as a male contraceptive. The prepared extracts were screened for the presence of alkaloids, glycosides, steroids, flavonoids, saponin and phenolic compounds. To assess the anti-spermatogenic activity, mice wer...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.900772
更新日期:2014-01-01 00:00:00
abstract::In a previous study, we evaluated the maternal and fetal safety of antimalarial herb Artemisia annua with artemisinin yield of 1.09%. Here, we attempted to ascertain the contraceptive claim of A. annua. Sexually matured female Wistar rats (180-220 g) were allotted into four study groups of six rats each. The control g...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.936016
更新日期:2014-01-01 00:00:00
abstract::The Stewartia koreana Nakai (SK) had been used in oriental traditional medicine as a remedy for acute gastroenteritis, liver diseases, quadriplegia and pain. The antioxidant activity guided isolation 80% methyl extract from stems of SK yielded eight phenolic compounds. We evaluated the anti-oxidative and anti-inflamma...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.905560
更新日期:2014-01-01 00:00:00
abstract::Supported by a growing increase of scientific research attesting the health properties of salvia species, we have decided to investigate nine Salvia namely Salvia sclarea, Salvia atropatana, Salvia sahendica, Salvia hydrangea, Salvia xanthocheila, Salvia macrosiphon, Salvia glutinosa, Salvia chloroleuca and Salvia cer...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.939086
更新日期:2014-01-01 00:00:00
abstract::Phytochemical investigation of the extracts of the leaves of Siparuna thecaphora (Poepp. et Endl.) A. DC. (Siparunaceae) allowed the isolation of one monoterpene glycoside, named trans-thujane-1α,7-diol 1-O-β-D-glucopyranoside (1) along with rutin, quercetin 3-O-β-D-glucopyranoside and 3,4-dihydroxybenzaldehyde. Their...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.843179
更新日期:2014-01-01 00:00:00
abstract::Chemical diversity is vital to antitubercular drug discovery as it ensures a novel bioactivity profile. Marine sponges have so far provided more than 1000 new bioactive molecules. Ethyl acetate extract of the marine sponge Dendrilla nigra on bioactivity-guided screening yielded three new compounds denigrins A-C, with ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.891112
更新日期:2014-01-01 00:00:00
abstract::Flavonoids have always attracted much attention due to their reversal activity on multidrug resistance (MDR). Eight flavonoids isolated from traditional Chinese medicine Sophora alopecuroides L. were applied to test their effect on MDR associated protein 1 (MRP1) through the established predicting assay. Three flavono...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.930856
更新日期:2014-01-01 00:00:00
abstract::The cholesteryl ester transfer protein (CETP), inhibition of which assists in maintaining a high level of high-density lipoprotein cholesterol in the blood, is a target for anti-atherosclerosis treatments. Orange monascus pigment was produced by a Monascus species in a 5 L jar fermenter and various derivative compound...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.905561
更新日期:2014-01-01 00:00:00
abstract::An alternative method for the synthesis of the 8-methyl-1-tetralone from the commercially available 5-methoxy-1-tetralone has been developed. The transformation involves eight steps and affords an overall yield 25%. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.945171
更新日期:2014-01-01 00:00:00
abstract::The antiradical activity of the freshwater bryozoan Hyalinella punctata water extracts (two samples, seasonal collection) was evaluated by using electron paramagnetic resonance spectroscopy against hydroxyl (√OH), superoxide anion (√O2(- )), methoxy (√CH2OH), carbon-dioxide anion (√CO2(- )), nitric-oxide (√NO) and 2,2...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.921788
更新日期:2014-01-01 00:00:00
abstract::Essential oil from Cochlospermum regium (Schrank) Pilg. leaves (CR-EO) has been extracted by hydrodistillation; we analysed the CR-EO by gas chromatography coupled with mass spectrometry. We also conducted histochemical analysis on cross-sections of the central vein of young and adult leaves. A total of 32 compounds w...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.879133
更新日期:2014-01-01 00:00:00
abstract::A new sesquiterpenoid, malayscaphiol (1), and three known compounds, lupeol (2), lupenone (3) and stigmasterol (4), were isolated from the methanolic extract of the stem bark of Scaphium macropodum. The structures of the isolated compounds were determined using several spectroscopic methods, including UV-vis, FT-IR, 1...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.886211
更新日期:2014-01-01 00:00:00
abstract::Chemical investigation of the fungus Xylariaceae sp. DPZ-SY43 has led to the isolation of a new compound, xylaolide A (1) together with three known compounds (2-4). The structures were established by analysing the spectroscopic data. Compound 1 was evaluated for its cytotoxicity. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.901318
更新日期:2014-01-01 00:00:00
abstract::A new cinnamolyglycoflavonoid 3-cinnamoyltribuloside (1), its precursor tribuloside and two known flavonoid glycosides afzelin and astilbin were isolated from Heritiera littoralis Dryand (Sterculiaceae) ethanolic leaf extract. The dichloromethane leaf extract afforded two known pentacyclic triterpenoids, 3β-taraxerol ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.863202
更新日期:2014-01-01 00:00:00
abstract::Two new briarane-type diterpenoids, dollfusilin A (1) and dollfusilin B (2), along with five known briarane-type diterpenoids (3-7), were isolated from the gorgonian Ellisella dollfusi collected from the South China Sea. The structures of the two new compounds (1 and 2) were elucidated through a comprehensive analysis...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.827191
更新日期:2014-01-01 00:00:00
abstract::Phytochemical investigation of the methylenechloride/methanol extract of the aerial parts of Stachys aegyptiaca afforded a new neoclerodane-type diterpene with a new side chain 1, in addition to two known diterpenes 2 and 3 and a known flavonoid glycoside 4. The structures of the compounds were determined by comprehen...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.830217
更新日期:2014-01-01 00:00:00
abstract::A series of isoquinoline alkaloids including tetrahydroprotoberberines, N-methyl tetrahydroprotoberberines and protoberberines were facile synthesised with protopines as the starting material. All compounds were evaluated for their antibacterial activities against four pathogenic bacteria Escherichia coli, Staphylocco...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.867344
更新日期:2014-01-01 00:00:00
abstract::Essential oils (EOs) of chamomile contain several bioactive compounds, including monoterpenes, sesquiterpenes, triterpenes and fatty acids. Hydrodistillation of chamomile EO induces the formation of chamazulene, a bioactive compound. Chamazulene was isolated from the EO by column chromatography. The total antioxidant ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.931393
更新日期:2014-01-01 00:00:00
abstract::Besides the chemotaxonomic value, nowadays determination of biodiversity and chemical variability has a commercial impact. The exact identity of raw material and constituents of botanical products, such as food supplements or herbal remedies, is a very important argument, being the real prerequisite for quality contro...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.852546
更新日期:2014-01-01 00:00:00
abstract::Three new flavonol glycosides (1-3), hippophins K-M, were isolated from the seed residue of Hippophae rhamnoides subsp. sinensis. The chemical structures of these three new compounds were identified by 1D, 2D NMR, mass spectroscopy and high resolution electrospray ionization mass spectrometry spectroscopic data and by...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.830216
更新日期:2014-01-01 00:00:00
abstract::Chemical investigation of the Red Sea sponge Dragmacidon coccinea led to the isolation of a new nucleoside, dragmacidoside (1), along with eight known compounds: adenosine (2), inosine (3), deoxycytidine (4), methyl-α-d-glucopyranoside (5), clionasterol (6), stigmasterol (7), campesterol (8) and brassicasterol (9). Th...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.915828
更新日期:2014-01-01 00:00:00
abstract::Glaucocalyxin A is a natural ent-Kaurane diterpenoid. It has been widely studied for some important biological activities like cytotoxicity and anti-tumour, anti-bacterial, anti-oxidative, anti-coagulative, anti-thrombotic, immune and anti-neuroinflammatory activities. The aim of the present article is to review the a...
journal_title:Natural product research
pub_type: 杂志文章,评审
doi:10.1080/14786419.2014.934235
更新日期:2014-01-01 00:00:00
abstract::The methanol extract of the root cortex of Paeonia suffruticosa afforded two new monoterpene glycosides, paeoniside A (1) and paeoniside B (2), and three known monoterpene glycosides, paeoniflorin (3), benzoylpaeoniflorin (4) and 4-O-methyl-paeoniflorin (5). Their structures were elucidated on the basis of spectroscop...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.858340
更新日期:2014-01-01 00:00:00
abstract::This study discusses the similarities and differences between the antioxidant activities of some essential oils: thyme (Thymus vulgaris), basil (Ocimum basilicum), peppermint (Mentha piperita), clove (Caryophyllus aromaticus), summer savory (Satureja hortensis), sage (Salvia hispanica) and lemon (Citrus limon (L.) Bur...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.918121
更新日期:2014-01-01 00:00:00
abstract::Three new aconitine-type C19-diterpenoid alkaloids, taipeinines A-C (1-3), were isolated from the roots of Aconitum taipaicum. The chemical structures of these three compounds were established as (1α,6α,8α,14α,16α)-20-ethyl-8,14-dihydroxy-1,6,16-trimethoxy-4-(methoxymethyl)-aconitane (1), (1α,6α,8α,14α,16β)-20-ethyl-8...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.861832
更新日期:2014-01-01 00:00:00
abstract::Three alkaloids, (3-chloro-2-hydroxypropyl) trimethylammonium chloride (1), p-(acetylamino)-phenol (2) and 4,4'-diacetamidodiphenyl ether (3), were isolated from Reineckia carnea herba. Their structures were determined by detailed analysis of their 1D and 2D NMR spectra and MS. Compounds 1 and 3 were new natural produ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.900618
更新日期:2014-01-01 00:00:00
abstract::The stem-derived essential oil of Aglaia odorata Lour. was obtained by hydrodistillation using a Clevenger-type system. Gas chromatography-mass spectrometry analysis of the oil revealed the identification of 39 compounds, representing 76.4% of the oil; germacrene D (20.3%), α-humulene (17.1%), α-himachalene (12.7%) an...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.924934
更新日期:2014-01-01 00:00:00
abstract::Fruits of different Sorbus L. species have been traditionally used in food production and in the treatment of various ailments. Besides common antioxidant active phytochemicals such as ascorbic acid, tocopherols and carotenoids, fruits are rich in phenolic compounds that are of particular interest. In this study, prof...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.895727
更新日期:2014-01-01 00:00:00
abstract::In this article, an ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry method was developed to detect the chemical structures of proanthocyanidins (PAs) from seed coats of Schisandra chinensis. The cleavage pathways of the compounds were revealed. The structures of S. chinensis PAs, in...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.950574
更新日期:2014-01-01 00:00:00
abstract::A new triterpene saponin (1) was isolated from a methanol extract of Swartzia apetala Raddi var. glabra, together with the flavonoids mauritianin (2), kaempferol (3) and the triterpene saponin β-D-glucopyranosyl 3β-hydroxy-olean-12-en-28-oate (4). These compounds were characterised on the basis of their spectral data,...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.782493
更新日期:2013-10-01 00:00:00
abstract::A new 20-membered macrolide named as levantilide C was isolated from the Micromonospora strain FIM07-0019 recovered from shallow coastal waters near the island of Chiloe, Chile. The chemical structure of levantilide C was elucidated on the basis of one- and two-dimensional NMR analysis. Two known indole derivatives we...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.740038
更新日期:2013-08-01 00:00:00