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::Allicin has been synthesized and was purified by liquid chromatography. HPLC chromatograms recorded at different wavelengths reveal pure allicin at similar retention times. The purity of the allicin peak could be confirmed by diode array detection. Pure synthetic allicin has been identified by infrared and mass spectr...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962811
更新日期:1987-12-01 00:00:00
abstract::When added to suspension cultures of CATHARANTHUS ROSEUS, abscisic acid (ABA) stimulated intracellular accumulation of the indole alkaloids catharanthine and ajmalicine in both flask and 30 litre fermenter-scale systems. The response varied, and depended upon the cell line, the concentration and source of the ABA, and...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962775
更新日期:1987-10-01 00:00:00
abstract::Two new coumaryloxy triterpenoids, neriucoumaric and isoneriucoumaric acids, have been isolated from fresh, undried and uncrushed leaves of NERIUM OLEANDER and their structures established as 3beta-hydroxy-2alpha-cis- P-coumaryloxy-urs-12-en-28-oic acid and 3beta-hydroxy-2alpha- TRANS- P-coumaryloxy-urs-12-en-28-oic a...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962763
更新日期:1987-10-01 00:00:00
abstract::Two new bisiridoid glucosides, radiatoside B and C, together with the known compounds mussaenosidic acid and geniposidic acid, were isolated from the aerial parts of ARGYLIA RADIATA. The structures of the new compounds were established by spectroscopic methods. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962746
更新日期:1987-08-01 00:00:00
abstract::Barbaloin levels in the exudates from the leaves of 68 species of ALOE in the Kew collection have been determined by light absorption at 375 nm following separation by HPLC. The exudates from most species contained between 10-20% although a few concentrations of around 30% were found. The level in the leaf was usually...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962735
更新日期:1987-08-01 00:00:00
abstract::Evidence is presented for the structure of a new limonoid, amoorinin, from the stem bark of AMOORA ROHITUKA on the basis of spectral and chemical evidences. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962715
更新日期:1987-06-01 00:00:00
abstract::The new I-3', II-3, 3', II-4', I-5, II-5, I-7, II-7-octahydroxy-I-4'-methoxy-I-3, II-8-biflavanone together with known biflavanones GB-1 and GB-2 were isolated from the bark of GARCINIA KOLA. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962704
更新日期:1987-06-01 00:00:00
abstract::A phytochemical study of the whole plant of TEPHROSIA HAMILTONII afforded a new flavonoid, characterised as 5, 7-dimethoxy-8-(2, 3-epoxy-3-methylbutyl)-flavanone, along with other known compounds. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962679
更新日期:1987-04-01 00:00:00
abstract::The investigation of the roots and aerial parts of EUPATORIUM CANNABIUM afforded, in addition to the sesquiterpene lactones eupatolide, eupatoriopicrin, and eucannabinolide isolated previously, eight further lactones, three of which are new. Furthermore, in addition to known compounds, a new clerodane derivative and t...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962665
更新日期:1987-04-01 00:00:00
abstract::Two new anthraquinones have been isolated from the seeds of PEGANUM HARMALA Linn and the structures established as 3,6-dihydroxy-8-methoxy-2-methylanthraquinone (peganone; 1) and 8-hydroxy-7-methoxy-2-methylanthraquinone (peganone; 2) by spectral correlations and chemical evidences. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962639
更新日期:1987-02-01 00:00:00
abstract::A procedure is described for the extraction of both anthraquinones and alkaloids from tissue culture material of CINCHONA species. Using this extraction method, it is possible to quantitatively determine the two groups of secondary metabolites produced in CINCHONA tissue cultures. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962627
更新日期:1987-02-01 00:00:00
abstract::The investigation of the aerial parts of two collections of AMBROSIA MARITIMA afforded in addition to known pseudoguaianolides nine new ones including two nor-sesquiterpene lactones and two dimeric lactones. The structures were elucidated by highfield (1)H-NMR spectroscopy. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2006-962617
更新日期:1987-02-01 00:00:00
abstract::A new tetrahydrofuran lignan, named henricine ( 1), was isolated from the stems of SCHISANDRA HENRYI. High resolution COSY spectrum was used in the structural elucidation. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969265
更新日期:1986-12-01 00:00:00
abstract::The roots of HAPLOPAPPUS FREEMONTII afforded in addition to the known 8-oxo-beta-cyperone two further derivatives. The structures were elucidated by highfield (1)H-NMR spectroscopy. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969205
更新日期:1986-10-01 00:00:00
abstract::Some enzymes of the terminal steps of phenylalanine and tyrosine biosyntheses were investigated in various alkaloid-forming ergot strains. All strains studied utilize both arogenate and phenylpyruvate as an intermediate in L-phenylalanine synthesis. L-Tyrosine is preferentially or exclusively synthesized via the aroge...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969195
更新日期:1986-10-01 00:00:00
abstract::The nor-kaurane diterpene Atractyliretin was obtained by acid hydrolysis of Atractyloside, a toxic substance isolated from ATRACTYLIS GUMMIFERA L (Compositae). On the basis of spectral (IR, (1)H-NMR, (13)C-NMR and MS) analysis and chemical degradation its structure and stereochemistry was identified as 4. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969185
更新日期:1986-10-01 00:00:00
abstract::Shoot primordia, which were able to propagate vegetatively with a very high rate and to redifferentiate easily to new plants, were induced from shoot tips of Stevia rebaudiana Bertoni on Gamborg B5 medium containing 6-benzylaminopurine (BAP) and alpha-naphthaleneacetic acid (NAA) under light. The propagation of the sh...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969165
更新日期:1986-08-01 00:00:00
abstract::The formation of lactonic amines 3 and 4 from alpha-methylene-gamma-butyrolactone (tulipalin A) 1 is described. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969585
更新日期:1985-12-01 00:00:00
abstract::Treatment of 28-hydroxyolean-12-enes with N-bromosuccinimide (NBS) in acetonitrile at room temperature afforded 12 alpha-bromooleanan-13beta, 28-epoxides in high yield. This reaction resulted in the formation of olean-9 (11), 12-diene-18alpha, 29-epoxides from 29-hydroxy isomers but recovered only starting materials f...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969575
更新日期:1985-12-01 00:00:00
abstract::Thalivarmine and thalsivasine, together with the known bases thalmelatidine, thalicberine, O-methylthalicberine, thaliphylline, thalmethine, O-methylthalmethine and (-)- N-methylcanadine have been isolated from the above ground parts of THALICTRUM MINUS var. MINUS L. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969547
更新日期:1985-10-01 00:00:00
abstract::From the roots of UNCARIA TOMENTOSA six oxindol alkaloids have been isolated and identified as isopteropodin, pteropodin, mitraphyllin, isomitraphyllin, rynchophyllin and isorynchophyllin. By ion pair chromatography on HPLC a fingerprint analysis has been worked out which allowed to differentiate between various UNICA...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969537
更新日期:1985-10-01 00:00:00
abstract::In leaves of CONVALLARIA MAJALIS L. the cardenolide content is known to decrease towards the end of the vegetation period. However, at this stage the rate of biosynthesis is even higher than at the onset of flowering. This has been revealed by photosynthesis experiments in the presence of (14)CO (2) and the subsequent...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969527
更新日期:1985-10-01 00:00:00
abstract::A reinvestigation of the aerial parts of TEUCRIUM SCORDIUM afforded in addition to several known diterpenes five new clerodane derivatives, all closely related to teucrin. The structures and the stereochemistry were elucidated by high resolution (1)H-NMR spectroscopy. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969508
更新日期:1985-08-01 00:00:00
abstract::New phloroglucinol derivatives were isolated from the ethanolic extract of ECKLONIA MAXIMA, a brown alga found off the west coast of South Africa. Most of these compounds contain dibenzo[1,4]dioxin elements. The common basic unit of all the compounds found is eckol, a hexahydroxyphenoxydibenzo[1,4]dioxin composed of 3...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969498
更新日期:1985-08-01 00:00:00
abstract::Endocrine activity can be demonstrated for components of the rhizome of CIMICIFUGA RACEMOSA using ovariectomized rats as experimental model. A selective reduction of the serum concentration of the pituitary luteinizing hormone (LH) takes place upon application of an extract. The active principle can be concentrated by...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969390
更新日期:1985-02-01 00:00:00
abstract::The effect of extracts of MOMORDICA CHARANTIA L. fruits on glucose metabolism and glucose uptake was investigated. The fruit of momordica, at all ripening stages, was found to contain two inhibitory compounds: one against hexokinase activity and the other against glucose uptake by rat intestinal fragments. Both inhibi...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969380
更新日期:1985-02-01 00:00:00
abstract::The structure of swertiaside, a new iridoid glucoside isolated from SWERTIA JAPONICA, was elucidated to be 7-epi-( M-hydroxybenzoyl)-loganicacid. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969779
更新日期:1984-12-01 00:00:00
abstract::The aerial parts of DODONAEA VISCOSA afforded a new diterpenoid, dodonic acid, the structure and stereochemistry of which have been established by chemical and spectroscopic means. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969764
更新日期:1984-10-01 00:00:00
abstract::A series of bitter secoiridoid glucosides isolated from various GENTIANA species (Gentianaceae) have been investigated by D/CI-MS. Amarogentin, amaropanin, amaroswerin, deglucosyltrifloroside, desacetylcentapicrin, gentiopicrin, swertiamarin and sweroside have been characterized by quasimolecular ions and typical frag...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969748
更新日期:1984-10-01 00:00:00
abstract::From the leaves of DIGITALIS LANATA Ehrh. two new Cardenolides have been found and structurally elucidated as Digoxigenin-3-O-beta- D-digitoxosido-beta- D-digitoxosido-beta- D-xyloside bei TLC and spectroscopic methods. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969697
更新日期:1984-06-01 00:00:00
abstract::Four new isoprenylated xanthones, cudraxanthones A, B and C were isolated from the N-hexane extract of the root bark of CUDRANIA TRICUSPIDATA (Carr.) Bur. (Japanese name "Hariguwa"; Moraceae), and cudraxanthone D from the benzene extract. The structures of cudraxanthones A, B, C and D were shown to be 1-4, respectivel...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969682
更新日期:1984-06-01 00:00:00
abstract::The aerial parts of JUNGIA SETERIANA afforded in addition to known compounds two pairs of isomeric C (17)-acetylenes which differ in the number of triple bonds and in the configuration of the 9,10-double bond. The structures and configurations followed from the UV and the (1)H-NMR spectra, especially from those of the...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969670
更新日期:1984-04-01 00:00:00
abstract::As a result of the reinvestigation of the alkaloid content of CORYDALIS BULBOSA (L.) DC. (Papaveraceae), growing in Bulgaria, a new 8,11-dioxoaporphine alkaloid, named bulbodione, together with dihydrosanguinarine, dehydroglaucine, (+/-)-sinactine, glaucinone and bicucullinine were isolated. These six alkaloids had no...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969652
更新日期:1984-04-01 00:00:00
abstract::Emodin, chrysophanol and physcion have been shown to be the major anthraquinone pigments present in the dry roots of RUMEX ABYSINICA. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969640
更新日期:1984-02-01 00:00:00
abstract::The antiinflammatory activity of borjatriol (a diterpenoid isolated from SIDERITIS MUGRONENSIS Borja) was tested using the cotton pellet-granuloma assay. The compound inhibited the granuloma weight and the serum lysozyme activity in a dose-dependently way. The determination of this enzyme has allowed us to distinguish...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969630
更新日期:1984-02-01 00:00:00
abstract::The fruits of OSTEOPHLOEUM PLATYSPERMUM (Myristicaceae) contain sitosterol, eperu-8(20),13-dien-3alpha,15-diol, glyceryl laurodimyristate, glyceryl 1,3-lauromyristate and five neolignans: dihydroguaiaretic acid, hydroxyotobain, hydroxyoxootobain, guaiacin and otobaphenol. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969620
更新日期:1984-02-01 00:00:00
abstract::The lignoidic and alkaloidal content of the leaves, stem barks and root barks of H. GUIANENSIS has been studied; two aryltetrahydronaphthalenes, two dibenzylbutyrolactones and nine alkaloids are isolated. All components are identified by means of the spectral analysis. Eight alkaloids are aporphines and nor-aporphines...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969610
更新日期:1984-02-01 00:00:00
abstract::The steam distilled oils both from flowers and leaves, as well as from total aerial parts of CHRYSANTHEMUM INDICUM L. (small-flowered form), were obtained and analyzed by GC and GC/MS. Their main components are borneol, chrysanthenone and bornyl acetate. ...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969858
更新日期:1983-12-01 00:00:00
abstract::Effects of passage of subculture and several culture conditions, nutritional, hormonal and light conditions on 3,4-dihydroxyphenylalanine (DOPA) content were examined in callus of STIZOLOBIUM HASSJOO P IPER and T RACY. The favourable conditions for DOPA accumulation were found to be suboptimal conditions for growth, i...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969828
更新日期:1983-10-01 00:00:00
abstract::The major alkaloids of PAPAVER TRINIIFOLIUM collected in two different parts of Anatolia have proved to be of the aporphine, morphinane and rhoeadine types. The two collections possessed different major alkaloids and the existence of chemical strains is indicated. In addition to the aporphine-(floripavidine), the morp...
journal_title:Planta medica
pub_type: 杂志文章
doi:10.1055/s-2007-969808
更新日期:1983-09-01 00:00:00