Four new benzofurans from seeds of Styrax perkinsiae.

abstract：:The acylphloroglucinol derivative hyperforin is a major constituent of St. John's wort extracts ( Hypericum perforatum L.), which has been demonstrated to contribute to the antidepressant action of this herbal drug. In previous investigations we observed that hyperforin causes a rapid stimulation of intracellular calc...

journal_title：Planta medica

authors： Schrattenholz A,Schroer K,Chatterjee SS,Koch E

更新日期：2004-04-01 00:00:00

abstract：:Antarctic benthic communities are regulated by abundant interactions of different types among organisms, such as predation, competition, etc. Predators are usually sea stars, with omnivorous habits, as well as other invertebrates. Against this strong predation pressure, many organisms have developed all sorts of defen...

journal_title：Planta medica

authors： Avila C

更新日期：2016-06-01 00:00:00

abstract：:Ten new polyhydroxyolean-12-ene pentacyclic triterpenoidal saponins, named rogchaponins 1-10, were isolated from the methanolic extract of the roots of Camellia sinensis by a series of chromatographic methods (silica gel flash column and C18 MPLC followed by C18 HPLC). Their structures were established by 1D and 2D-NM...

journal_title：Planta medica

authors： Varughese T,Manir MM,Rahaman M,Kim JK,Lee BG,Moon SS

更新日期：2011-12-01 00:00:00

abstract：:Anti-sera against a complement-activating pectin (AR-2IIb), which was purified from the roots of Angelica acutiloba Kitagawa, were obtained by immunization of rabbits, and a polyclonal anti-AR-2IIb antibody of the IgG class was purified by affinity chromatography on AR-2IIb-immobilized Sepharose and Protein G-Sepharos...

journal_title：Planta medica

authors： Wang NL,Kiyohara H,Matsumoto T,Otsuka H,Hirano M,Yamada H

更新日期：1994-10-01 00:00:00

abstract：:Two new 8-oxotetrahydroprotoberberine alkaloids, gusanlung A(1) and B(2), together with known isoquinoline alkaloids, berberine and jatrorrhizine, were isolated from the Chinese medicinal plant Acangelisia gusanlung H. S. Lo (Menispermaceae). Their structures were elucidated mainly by spectroscopic analysis. ...

journal_title：Planta medica

authors： Zhang JS,Chen ZL

更新日期：1991-10-01 00:00:00

abstract：:The activity-guided fractionation of the extract of the root of Salvia miltiorrhiza B. (Labiatae, Tanshen), led to the isolation of four active components responsible for the anti-allergic activity in vitro. Among them, 15,16-dihydrotanshinone-I and cryptotanshinone demonstrated significant inhibition of the release o...

journal_title：Planta medica

authors： Ryu SY,Oak MH,Kim KM

更新日期：1999-10-01 00:00:00

abstract：:It has been reported that cedarwood oil has sedative effects when inhaled. In this study, we evaluated sedative effects of inhaled cedrol, which is a major component of cedarwood oil. Accumulative spontaneous motor activity was significantly decreased in the cedrol-exposed Wistar rats. Similar results were confirmed i...

journal_title：Planta medica

authors： Kagawa D,Jokura H,Ochiai R,Tokimitsu I,Tsubone H

更新日期：2003-07-01 00:00:00

abstract：:A novel stilbene glucoside was isolated from the root bark of Morus alba L. (Moraceae), along with mulberroside A, cis-mulberroside A, oxyresveratrol. The structure of the novel stilbene glucoside was determined as oxyresveratrol 3'-O-beta-glucopyranoside. ...

journal_title：Planta medica

authors： Qiu F,Komatsu K,Kawasaki K,Saito K,Yao X,Kano Y

更新日期：1996-12-01 00:00:00

abstract：:In our ongoing efforts to identify effective naturally sourced agents for the treating of diabetic complications, two new (1 and 2) and 11 known phenolic compounds (3-13) were isolated from an 80 % ethanol extract of Litsea japonica leaves. The structures of the new compounds were established by spectroscopic and chem...

journal_title：Planta medica

authors： Lee IS,Kim YJ,Jung SH,Kim JH,Kim JS

更新日期：2017-02-01 00:00:00

abstract：:The crude extract (IPA) of the plant Ipomoea pes-caprae (L.) R. Br. showed an inhibitory effect on prostaglandin synthesis in vitro. Bioassay-guided separation of the extract led to the isolation of four active compounds: 2-hydroxy-4,4,7-trimethyl-1(4H)-naphthalenone (1), (-)-mellein (2), eugenol (3), and 4-vinyl-guai...

journal_title：Planta medica

authors： Pongprayoon U,Baeckström P,Jacobsson U,Lindström M,Bohlin L

更新日期：1991-12-01 00:00:00

abstract：:From the bark of Sclerocarya birrea was isolated (-)-epicatechin-3-galloyl ester of which the structure was elucidated by NMR spectroscopy. The compound has secretagogue activity. ...

journal_title：Planta medica

authors： Galvez Peralta J,Zarzuelo A,Busson R,Cobbaert C,de Witte P

更新日期：1992-04-01 00:00:00

abstract：:The alkaloidal content of of the stem barks of Hernandia cordigera has been studied and compared to that of other Hernandia species. Main alkaloids are phenolic aporphines. ...

journal_title：Planta medica

authors： Lavault M,Debray MM,Bruneton J

更新日期：1981-05-01 00:00:00

abstract：:A novel trinorsesquiterpene (1), three new (2-4), and 10 known sesquiterpenes were isolated from the roots of Inula racemosa Hook. f. The structures and absolute configurations of the new sesquiterpenes were elucidated by extensive spectroscopic and computational methods. All compounds were evaluated for their inhibit...

journal_title：Planta medica

authors： Zhang SD,Qin JJ,Jin HZ,Yin YH,Li HL,Yang XW,Li X,Shan L,Zhang WD

更新日期：2012-01-01 00:00:00

abstract：:Picroliv, a standardized extract from the plant Picrorhiza kurrooa containing active constituents, showed a significant dose dependent (3-12 mg/kg p.o. x 7) protective activity against galactosamine-induced hepatic damage in rat as evaluated on the isolated hepatocytes (ex vivo) preparation. It markedly increased the ...

journal_title：Planta medica

authors： Visen PK,Shukla B,Patnaik GK,Dhawan BN

更新日期：1993-02-01 00:00:00

abstract：:Eschsholzia californica Cham. is a traditional medicinal plant of the Indians used by the rural population of California for its analgesic and sedative properties. Our study on the aqueous extract shows that this plant reduced the behavioural parameters measured in a familiar environment test in mice (novelty preferen...

journal_title：Planta medica

authors： Rolland A,Fleurentin J,Lanhers MC,Younos C,Misslin R,Mortier F,Pelt JM

更新日期：1991-06-01 00:00:00

abstract：:Various locations in Switzerland were screened for Petasites hybridus plants with high petasin and low pyrrolizidine alkaloid content. The mean petasin content of the various populations ranged from 7.4 to 15.3 mg/g dry weight in rhizomes and from 3.3 to 11.4 mg/g dry weight in leaves. Mean pyrrolizidine alkaloid cont...

journal_title：Planta medica

authors： Wildi E,Langer T,Schaffner W,Büter KB

更新日期：1998-04-01 00:00:00

abstract：:Positive inotropic effects induced by 6-benzylaminopurine (6-BAP), kinetin and zeatin were studied in rat atria. The potency order observed was 6-BAP > or = kinetin > zeatin. Suramin, a P2-purinoceptor antagonist, inhibited the positive effect of 6-BAP suggesting the involvement of P2-purinoceptors in the positive eff...

journal_title：Planta medica

authors： Froldi G,Gallo U,Ragazzi E,Caparrotta L

更新日期：1999-04-01 00:00:00

abstract：:YANG XIN is a traditional Chinese medicine formulation used for nervous fatigue and consists of a proprietary blend of concentrated extracts from 18 plant ingredients. The 18 constituent plant ingredients, YANG XIN capsules, and formulations 2014-005_1 A and 1B were extracted by consecutive 24-hour macerations with di...

journal_title：Planta medica

authors： Almalki AJ,Zaher A,Simithy J,Keller WJ,Tripp M,Calderón AI

更新日期：2016-08-01 00:00:00

abstract：:Quality control of drugs consists of identifying the raw material to avoid unwanted admixtures or exchange of material as well as looking for abiotic and biotic contaminations. So far, identity and microbial contamination are analyzed by separate processes and separate methods. Species identification by their DNA ("DN...

journal_title：Planta medica

authors： Schmiderer C,Lukas B,Ruzicka J,Novak J

更新日期：2018-04-01 00:00:00

abstract：:Protodioscin (NSC-698 796) is a furostanol saponin isolated from the rhizome of Dioscorea collettii var. hypoglauca (Dioscoreaceae), a Chinese herbal remedy for the treatment of cervical carcinoma, carcinoma of urinary bladder and renal tumor for centuries. To systematically evaluate its potential anticancer activity,...

journal_title：Planta medica

authors： Hu K,Yao X

更新日期：2002-04-01 00:00:00

abstract：:The phenylpropanoid dibenzylbutyrolactone lignan arctigenin, a key component found in Arctium lappa, or burdock, has been reported with a variety of therapeutic effects including anticancer, anti-inflammation, and antivirus effects. Using LC/MS/MS, three novel metabolites of arctigenin, namely, arctigenic acid, arctig...

journal_title：Planta medica

authors： Gao Q,Zhang Y,Wo S,Zuo Z

更新日期：2013-04-01 00:00:00

abstract：:The present study aimed to investigate standardized ethanol extracts of fruit and leaves of Piper sarmentosum for their in vivo antioxidant activity in rats using a CCl (4)-induced oxidative stress model. The standardization was based on the quantification of the markers pellitorine, sarmentine and sarmentosine by hig...

journal_title：Planta medica

authors： Hussain K,Ismail Z,Sadikun A,Ibrahim P

更新日期：2010-03-01 00:00:00

abstract：:Leaves and stem barks of S. scheffleri Gilg afforded eight dihydroindole alkaloids. Four tertiary monomers (O-methyl Na-acetylstrychnosplendine, Na-acetylstrychnosplendine, strychnobrasiline and strychnofendlerine) have been isolated from leaf material while stem barks yielded one tertiary monomer (desacetylisoretulin...

journal_title：Planta medica

authors： Caprasse M,Angenot L

更新日期：1981-08-01 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：:We report the effects of a fraction (F1) obtained from Himanthalia elongata on spontaneous locomotor activity, hypermotility, motor coordination, rectal temperature, pentobarbitone-induced hypnosis, pentylenetetrazole-induced convulsions and analgesic activity in the writhing and hot-plate tests. This fraction caused ...

journal_title：Planta medica

authors： Anca JM,Lamela M,Calleja JM

更新日期：1993-06-01 00:00:00

abstract：:Bryophyllum pinnatum is a succulent perennial plant native to Madagascar which is used in anthroposophical medicine to treat psychiatric disorders and as a tocolytic agent to prevent premature labour. We performed a metabolite profiling study in order to obtain a comprehensive picture of the constituents in B. pinnatu...

journal_title：Planta medica

authors： Fürer K,Raith M,Brenneisen R,Mennet M,Simões-Wüst AP,von Mandach U,Hamburger M,Potterat O

更新日期：2013-11-01 00:00:00

abstract：:The ripe berries of Harrisonia abyssinica yielded two new prenylated acetophenones, namely 5-(ethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2 S-(1' S-hydroxy-1',5'-dimethylhex-4'-enyl)-2,3-dihydrobenzofuran (1) and 5-(2'''-hydroxyethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2 S-(1' S-hydroxy-1',5'...

journal_title：Planta medica

authors： Mayaka RK,Langat MK,Omolo JO,Cheplogoi PK

更新日期：2012-03-01 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：:The configurations of the component amino acids in ginseng tetrapeptide 1 isolated from Panax ginseng were determined by HPLC with an optical resolution column and the structure of 1 was established to be H-L-Val-gamma-D-Glu-D-Arg- Gly-OH. Synthesis of the ginseng tetrapeptide, 1, and of the configuration and conjugat...

journal_title：Planta medica

authors： Yagi A,Ishizu T,Okamura N,Noguchi S,Itoh H

更新日期：1996-04-01 00:00:00

abstract：:The traditional analgesic and antipyretic Ethiopian drug "Dingetegna" is made of dried root material of Taverniera abyssinica A. Rich (Leguminosae). In a screening for nematicidal natural products, "Dingetegna" extracts showed strong nematicidal activities towards C. elegans. In the following, medicarpin and 4-hydroxy...

journal_title：Planta medica

authors： Stadler M,Dagne E,Anke H

更新日期：1994-12-01 00:00:00