Aescin Content in Embryogenic Callus and in Embryoids from Leaf Explants of Aesculus hippocastanum.

abstract：:A cytotoxic compound was purified from the root of Angelica gigas Nakai by normal phase HPLC. As a result of the structure analysis by mass, IR, 1H-NMR, and 13C-NMR spectrometry, the compound was identified as decursinol angelate, a structural isomer of decursin, and characterized originally from Sesei grandivittatum....

journal_title：Planta medica

authors： Ahn KS,Sim WS,Lee IK,Seu YB,Kim IH

更新日期：1997-08-01 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

authors： Kabangu K,Galeffi C,Aonzo E,Nicoletti M,Messana I

更新日期：1987-06-01 00:00:00

abstract：:The effects of gallic acid on the gene expressions of inducible nitric oxide synthase (iNOS) and the cytokines interleukin (IL)-1, IL-10, IL-12, IL-18, TNF-alpha, and interferon (IFN)-gamma were investigated by reverse-transcription polymerase chain reaction (RT-PCR). The experiments were performed in parallel in non-...

journal_title：Planta medica

authors： Radtke OA,Kiderlen AF,Kayser O,Kolodziej H

更新日期：2004-10-01 00:00:00

abstract：:Human vascular endothelial cells (HUVECs) were exposed to CoCl2 as an in vitro model of hypoxia. Expression of VCAM-1 (vascular cell adhesion molecule), reduction of PECAM-1 (platelet endothelial cell adhesion molecule) and cytoskeletal changes without alterations in cell viability were observed. HUVECs were also expo...

journal_title：Planta medica

authors： Montopoli M,Froldi G,Comelli MC,Prosdocimi M,Caparrotta L

更新日期：2007-03-01 00:00:00

abstract：:Helanalin, a sesquiterpene lactone antineoplastic agent, is toxic at therapeutic doses in murine tumors. The toxicity has been assumed to be correlated with the binding of the drug to cellular thiol groups. Studies were undertaken to increase the intracellular level of GSH in the liver, kidney and other tissues to eli...

journal_title：Planta medica

authors： Hall IH,Grippo AA,Holbrook DJ,Roberts G,Lin HC,Kim HL,Lee KH

更新日期：1989-12-01 00:00:00

abstract：:The hypoglycaemic effect of orally administered extracts of leaves and roots of Coccinia indica has been reported earlier. The oral administration of the pectin isolated from the fruit of the above plant at a dose of 200 mg/100 g BW/day showed a significant hypoglycaemic action in normal rats. Pectins isolated from ma...

journal_title：Planta medica

authors： Kumar GP,Sudheesh S,Vijayalakshmi NR

更新日期：1993-08-01 00:00:00

abstract：:Micellar electrokinetic capillary chromatography (MECC), using a phosphate buffer pH 7.0 and sodium dodecyl sulfate as the surfactant, was found suitable for the separation of structurally similar flavan-3-ols and related dimeric proanthocyanidins. A total of 20 substances has been tested, 17 of which were successfull...

journal_title：Planta medica

authors： Kreimeyer J,Petereit F,Nahrstedt A

更新日期：1998-02-01 00:00:00

abstract：:Chromatographically purified fractions of aqueous-ethanolic extracts from Baptisia tinctoria roots contained a strong lymphocyte DNA synthesis-stimulating activity. Electrophoretic analysis of these fractions revealed four distinct protein bands with molecular masses of P1 = 58 kD; P4 = 31 kD; P5 = 26 kD; and P6 = 14 ...

journal_title：Planta medica

authors： Beuscher N,Scheit KH,Bodinet C,Kopanski L

更新日期：1989-08-01 00:00:00

abstract：:Blue cohosh, Caulophyllum thalictroides (L.) Michx. is a popular herb, roots and rhizomes of which have been extensively used for women's health. Alkaloids and saponins are considered to be responsible for its pharmacological effects. In this investigation the methanolic extract of the roots of blue cohosh, the alkalo...

journal_title：Planta medica

authors： Madgula VL,Ali Z,Smillie T,Khan IA,Walker LA,Khan SI

更新日期：2009-03-01 00:00:00

abstract：:Andrographis paniculata contains four major active diterpenoids, including andrographolide (1), 14-deoxy-11, 12-didehydroandrographolide (2), neoandrographolide (3), and 14-deoxyandrographolide (4), which exhibit differences in types and/or degrees of their pharmacological activity. Previous pharmacokinetic studies in...

journal_title：Planta medica

authors： Pholphana N,Panomvana D,Rangkadilok N,Suriyo T,Ungtrakul T,Pongpun W,Thaeopattha S,Satayavivad J

更新日期：2016-01-01 00:00:00

abstract：:Ten alkaloids were isolated from the bulb of CORYDALIS HSUCHOWENSIS W. Y. Lian nov. ined. Among them nine alkaloids are known, identified as (-)-stylopine ( 1), cheilanthifoline ( 2), (+)-adlumidine ( 3), (+)-bicuculline ( 4), sibiricine ( 5), humosine A ( 6), (+)-bulbocapnine ( 7), (-)-scoulerine ( 8), and protopine ...

journal_title：Planta medica

authors： Zhou JY,Tong XJ,Lian WY,Fang QC

更新日期：1991-04-01 00:00:00

abstract：:The chemical composition of the three essential oils obtained by steam distillation of the mastic gum, leaves and twigs of Pistacia lentiscus var. chia, was studied by GC/MS. Sixty nine constituents were identified from the oils. alpha-Pinene, myrcene, trans-caryophyllene and germacrene D were found to be the major co...

journal_title：Planta medica

authors： Magiatis P,Melliou E,Skaltsounis AL,Chinou IB,Mitaku S

更新日期：1999-12-01 00:00:00

abstract：:During activity-guided fractionations to screen for antineoplastic agents, further studies by means of preparative HPLC led to the isolation of four known furostanol saponins: protoneodioscin, protodioscin, protoneogracillin, protogracillin, along with their corresponding artifacts: methyl protoneodioscin, methyl prot...

journal_title：Planta medica

authors： Hu K,Dong A,Yao X,Kobayashi H,Iwasaki S

更新日期：1997-04-01 00:00:00

abstract：:Extracts from Bupleurum fruticescens were examined for oral and topical anti-inflammatory activities. The BuOH extract proved to be active against carrageenan and tetradecanoylphorbol acetate acute edemas and allowed the isolation of three saponins identified by spectroscopic techniques as 3 beta-O-(O-alpha-L-rhamnopy...

journal_title：Planta medica

authors： Just MJ,Recio MC,Giner RM,Cuéllar MJ,Máñez S,Bilia AR,Ríos JL

更新日期：1998-06-01 00:00:00

abstract：:Water-soluble and alkaline-soluble polysaccharide fractions, prepared from roots and leaves of PANAX GINSENG C.A. Meyer, were fractionated into strongly acidic, weakly acidic, and neutral polysaccharide fractions by cetyltrimethyammonium bromide, respectively. The roots contained a larger amount of crude polysaccharid...

journal_title：Planta medica

authors： Gao QP,Kiyohara H,Cyong JC,Yamada H

更新日期：1989-02-01 00:00:00

abstract：:The accumulation of two dihydrofuroquinoline alkaloids has been studied in seventeen strains of Choisya ternata (Rutaceae) initiated from the same tree. The contents of platydesminium and balfourodinium vary in heavy proportions. The effect of some factors (age of the culture, NAA or glucose concentrations of the medi...

journal_title：Planta medica

authors： Gras M,Crèche J,Chénieux JC,Rideau M

更新日期：1982-12-01 00:00:00

abstract：:A new steroidal saponin, timosaponin F, along with six known compounds was isolated from the rhizomes of Anemarrhena asphodeloides Bge. On the basis of chemical and spectroscopic evidence, the structure of timosaponin F was elucidated as (5beta, 25 S):-spirostan-3beta,15alpha,23alpha-triol-3-O-beta- glucopyranosyl-(1-...

journal_title：Planta medica

authors： Meng ZY,Zhang JY,Xu SX,Sugahara K

更新日期：1999-10-01 00:00:00

abstract：:This paper reports the phytochemical investigation of the 50% aq. EtOH extract of Houttuynia cordata, an effective TCM and functional food in China, which led to the isolation of 17 flavonoids including four new ones. The four new compounds were flavonoid derivatives tethered with houttuynin (3-oxododecanal). Each of ...

journal_title：Planta medica

authors： Chen SD,Li T,Gao H,Zhu QC,Lu CJ,Wu HL,Peng T,Yao XS

更新日期：2013-12-01 00:00:00

abstract：:Eight compounds were isolated from the CH (2)Cl (2) extracts of ERYTHRINA SENEGALENSIS to assess HIV-1 protease (PR) activity inhibition. The prenylated isoflavone structures, identified by spectroscopic analysis, were 8-prenylluteone ( 1), auriculatin ( 2), erysenegalensein O ( 3), erysenegalensein D ( 4), erysenegal...

journal_title：Planta medica

authors： Lee J,Oh WK,Ahn JS,Kim YH,Mbafor JT,Wandji J,Fomum ZT

更新日期：2009-02-01 00:00:00

abstract：:This study was carried out to examine the potential beneficial effect of cordycepin on the decline of testicular function induced with age. A total of 30 male Sprague-Dawley rats (twenty-four 12-month-olds and six 2-month-olds) were divided into five groups. The young control (YC) and middle-aged control (MC) groups r...

journal_title：Planta medica

authors： Sohn SH,Lee SC,Hwang SY,Kim SW,Kim IW,Ye MB,Kim SK

更新日期：2012-10-01 00:00:00

abstract：:An Alkanna orientalis leaf and flower extract inhibited the growth of Staphylococcus aureus, a pathogen that causes an estimated 478 000 hospitalizations in the US annually. Bioassay-guided fractionation of A. orientalis resulted in isolation of the flavonoid sarothrin (5,7,4'-trihydroxy-3,6,8-trimethoxyflavone), whic...

journal_title：Planta medica

authors： Bame JR,Graf TN,Junio HA,Bussey RO 3rd,Jarmusch SA,El-Elimat T,Falkinham JO 3rd,Oberlies NH,Cech RA,Cech NB

更新日期：2013-03-01 00:00:00

abstract：:Amphotericin B (AmB) is a representative antibiotic for the control of serious fungal infections, and its fungicidal activity was greatly enhanced by allicin, an allyl-sulfur compound from garlic. In addition to the plasma membrane permeability change, AmB induced vacuole membrane damage so that the organelles were vi...

journal_title：Planta medica

authors： Ogita A,Fujita K,Taniguchi M,Tanaka T

更新日期：2006-10-01 00:00:00

abstract：:Chemical investigation of the EtOH extract of Morus alba L. (Moraceae), as guided by free radical scavenging activity, furnished 5,7-dihydroxycoumarin 7-methyl ether (1), two prenylflavones, cudraflavone B (2) and cudraflavone C (3), and oxyresveratrol (4). Compounds 1 and 4 showed superoxide scavenging effects with t...

journal_title：Planta medica

authors： Oh H,Ko EK,Jun JY,Oh MH,Park SU,Kang KH,Lee HS,Kim YC

更新日期：2002-10-01 00:00:00

abstract：:Three new compounds, namely, (+)-dihydrodehydrodiconiferyl alcohol 4- O- beta-(6''- O-galloyl)-glucopyranoside ( 1), 4,4'- O-dimethylellagic acid 3-(2''- O-acetyl)- alpha-rhamnopyranoside ( 2), and ethyl O- beta-(6'-galloyl)-glucopyranoside ( 3), together with eleven known ones, were isolated from the stem bark of Tre...

journal_title：Planta medica

authors： Kang QJ,Yang XW,Wu SH,Ma YL,Li L,Shen YM

更新日期：2008-03-01 00:00:00

abstract：:Eleven sesquiterpenoids have been isolated from the whole plants of Youngia japonica (Asteraceae). Among these sesquiterpenoids, five were identified as new compounds on the basis of spectroscopic methods and chemical analysis. Their structures were 3-oxo-8alpha-(4-hydoxyphenyl)acetoxy-10(14),11(13)-guaiadien-12,6-oli...

journal_title：Planta medica

authors： Chen W,Liu Q,Wang J,Zou J,Meng D,Zuo J,Zhu X,Zhao W

更新日期：2006-02-01 00:00:00

abstract：:The cardiovascular effects of intravenous (i.v.) treatment with the essential oil of Ocimum gratissimum (EOOG) and its main constituent, eugenol (Eug) were investigated in the experimental model of deoxycorticosterone acetate (DOCA-salt)-hypertensive rats. In both conscious DOCA-salt hypertensive rats and their uninep...

journal_title：Planta medica

authors： Interaminense LF,Leal-Cardoso JH,Magalhães PJ,Duarte GP,Lahlou S

更新日期：2005-04-01 00:00:00

abstract：:In our investigation of in vitro antimalarial screening of medicinal herbal extracts, the n-BuOH extract from the root of Wikstroemia indica showed a potent inhibitory effect. Fractionation of the active extract led to the isolation of two biflavonoids, sikokianin B ( 1) and sikokianin C ( 2) with IC (50) values 0.54 ...

journal_title：Planta medica

authors： Nunome S,Ishiyama A,Kobayashi M,Otoguro K,Kiyohara H,Yamada H,Omura S

更新日期：2004-01-01 00:00:00

abstract：:Besides the known pyrrolidine alkaloids ruspolinone ( 1), norruspolinone ( 2), and norruspoline ( 3) the "bispyrrolidine" alkaloid hypercratine was isolated from the roots of RUSPOLIA HYPERCRATERIFORMIS M. R. (Acanthaceae). After chemical and spectroscopic analysis of the new compound, structure 4 is suggested. ...

journal_title：Planta medica

authors： Neukomm G,Roessler F,Johne S,Hesse M

更新日期：1983-08-01 00:00:00

abstract：:Jujuboside A (JuA) is a glycoside extracted from the seed of Ziziphus jujuba Mill var. spinosa (Bunge) Hu ex H F Chou, a Chinese herbal medicine, which has long been known as a sedative-hypnotic drug. The present study used the method of intracerebroventricular (i.c.v.) JuA in vivo to detect the effect of JuA on paire...

journal_title：Planta medica

authors： Shou C,Feng Z,Wang J,Zheng X

更新日期：2002-09-01 00:00:00

abstract：:From the rhizomes of HYPOXIS OBTUSA two monoglucosides having the same aglycone as hypoxoside, 1-(3',4'- dihydroxyphenyl)-5-(3'',4''-dihydroxyphenyl)-1-pen-ten-4-yne, have been obtained. By methylation followed by hydrogenation they have been transformed into the same compound, 1-(3'-methoxy-4'- O-beta- D-glucopyranos...

journal_title：Planta medica

authors： Galeffi C,Multari G,De Vicente Y,Messana I,Nicoletti M,Marini-Bettolo GB

更新日期：1989-06-01 00:00:00