Rapid qualitative and quantitative determination of seven valuable taxanes from various Taxus species by UFLC-ESI-MS and UFLC-DAD.

abstract：:Characterization of an alkali-soluble isolate from Pinus nigra Arnold (Pinaceae) seed cones by thioacidolysis revealed a significant phenylpropanoid (i.c. lignin) component which may provide the observed anti-HIV-1 activity for this substance. ...

journal_title：Planta medica

authors： Eberhardt TL,Young RA

更新日期：1996-02-01 00:00:00

abstract：:Compelling evidence suggests that infiltrating CD4+ type I helper T (Th1) cells in the pancreatic islets play a pivotal role in the progression of diabetes in non-obese diabetic (NOD) mice. We demonstrate in the present report that a butanol fraction of B. pilosa suppressed the development of diabetes, helped maintain...

journal_title：Planta medica

authors： Chang SL,Chang CL,Chiang YM,Hsieh RH,Tzeng CR,Wu TK,Sytwu HK,Shyur LF,Yang WC

更新日期：2004-11-01 00:00:00

abstract：:Scopoletin exhibited an immediate and dose-dependent hypouricemic effect after intraperitoneal administration (50, 100, 200 mg/kg) in hyperuricemic mice induced by potassium oxonate; however, it did not affect the serum uric acid level in normal mice at the tested doses. For exploring the involved mechanisms of action...

journal_title：Planta medica

authors： Ding Z,Dai Y,Wang Z

更新日期：2005-02-01 00:00:00

abstract：:Angelicae Sinensis Radix is commonly used in traditional Chinese medicine. Pharmacological studies show that Angelicae Sinensis Radix has clear anticoagulant activity. Therefore, in this study, the anticoagulant activity of crude Angelicae Sinensis Radix extracts was investigated by measuring the thrombin times of the...

journal_title：Planta medica

authors： Wang L,Huang S,Chen B,Zang XY,Su D,Liang J,Xu F,Liu GX,Shang MY,Cai SQ

更新日期：2016-03-01 00:00:00

abstract：:Acute kidney injury is a common and severe complication of acute myocardial infarction and cardiac surgery. It results in increased mortality, morbidity, and duration of hospitalization. Baicalein is a component of the root of Scutellaria baicalensis, which has traditionally been used to treat cardiovascular and liver...

journal_title：Planta medica

authors： Lai CC,Huang PH,Yang AH,Chiang SC,Tang CY,Tseng KW,Huang CH

更新日期：2016-02-01 00:00:00

abstract：:Six pentacyclic triterpenic acid methyl esters have been isolated from the methylated ethyl acetate extract of the trunk wood of MUSANGA CECROPIOIDES, as well as a triterpene saponin of the same group. One of them, cecropic acid methyl ester, is new. The structures of these compounds have been established from interpr...

journal_title：Planta medica

authors： Lontsi D,Sondengam BL,Ayafor JF,Tsoupras MG,Tabacchi R

更新日期：1990-06-01 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

authors： Ikeshiro Y,Tomita Y

更新日期：1984-12-01 00:00:00

abstract：:Metabolic fingerprinting techniques have received a lot of attention in recent years and the annual amount of publications in this field has increased significantly over the past decade. This increase in publications is due to improvements in the analytical performance, most notably in the field of NMR and MS analysis...

journal_title：Planta medica

authors： van der Kooy F,Maltese F,Choi YH,Kim HK,Verpoorte R

更新日期：2009-06-01 00:00:00

abstract：:In this study we investigated the effects of concomitant food intake on the bioavailability of distinct boswellic acids (BAs) from the test preparation BSE-018, a dry extract from Boswellia serrata gum resin. In a randomised, open, single-dose, two-way crossover study, healthy male subjects received three capsules of ...

journal_title：Planta medica

authors： Sterk V,Büchele B,Simmet T

更新日期：2004-12-01 00:00:00

abstract：:One hundred and thirty-eight medicinal herbal drugs obtained from different suppliers were examined for microbial contaminants and for the detectability of pathogenic microorganisms. For this purpose, several microbiological standard parameters (total aerobic mesophilic count, enterobacteria, coliforms, aerobic sporef...

journal_title：Planta medica

authors： Czech E,Kneifel W,Kopp B

更新日期：2001-04-01 00:00:00

abstract：:Bioactivity-guided fractionation of Saururus chinensis (Saururaceae) using a lymphoproliferation assay led us to isolate 5 lignans (compounds 1 - 5). Compounds 1 - 5 were identified as sauchinone, (-)-saucerneol, saucerneol C, manassantin A, and manassantin B, respectively, by spectroscopic analyses. The immunosuppres...

journal_title：Planta medica

authors： Park SY,Lee SH,Choi WH,Koh EM,Seo JH,Ryu SY,Kim YS,Kwon DY,Koh WS

更新日期：2007-06-01 00:00:00

abstract：:In our ongoing research into anti-inflammatory compounds from Tanacetum microphyllum, four naturally occurring flavonoids (santin, ermanin, centaureidin and 5,3'-dihydroxy-4'-methoxy-7-methoxycarbonylflavonol) and one sesquiterpene lactone (hydroxyachillin) isolated from this plant, were evaluated as potential inhibit...

journal_title：Planta medica

authors： Abad MJ,Bermejo P,Alvarez M,Guerra JA,Silván AM,Villar AM

更新日期：2004-01-01 00:00:00

abstract：:Cannabis (Cannabis sativa L.) is an annual herbaceous plant that belongs to the family Cannabaceae. Trans-Δ9-tetrahydrocannabinol (Δ9-THC) and cannabidiol (CBD) are the two major phytocannabinoids accounting for over 40% of the cannabis plant extracts, depending on the variety. At the University of Mississippi, differ...

journal_title：Planta medica

authors： Ibrahim EA,Gul W,Gul SW,Stamper BJ,Hadad GM,Abdel Salam RA,Ibrahim AK,Ahmed SA,Chandra S,Lata H,Radwan MM,ElSohly MA

更新日期：2018-03-01 00:00:00

abstract：:Two triterpenoidal saponins having phytolaccagenin as the aglycone were isolated from the roots of Phytolacca esculenta (Phytolaccaceae). The structures of two new saponins, esculentoside I and esculentoside N, were established to be 3-O-[beta-D-glucopyranosyl-(1----4)-beta-D- glucopyranosyl]-28-O-beta-D-glucopyranosy...

journal_title：Planta medica

authors： Yi YH

更新日期：1992-02-01 00:00:00

abstract：:In order to evaluate the potency of novel antiviral drugs, 11 natural sulfated polysaccharides (SPs) from 10 green algae ( Enteromorpha compressa, Monostroma nitidum, Caulerpa brachypus, C. okamurai, C. scapelliformis, Chaetomorpha crassa, C. spiralis, Codium adhaerens, C. fragille, and C. latum) and 4 synthetic sulfa...

journal_title：Planta medica

authors： Lee JB,Hayashi K,Maeda M,Hayashi T

更新日期：2004-09-01 00:00:00

abstract：:Fractionation of the aqueous extract of Derris scandens stems extract using tests for eicosanoid inhibition resulted in the isolation of three isoflavonoids, genistein, its 7- O-alpha-rhamno(1-->6)-beta-glucosyl glycoside, a new compound, and two known isoprenyl derivatives 3'-gamma,gamma-dimethylallylweighteone and s...

journal_title：Planta medica

authors： Laupattarakasem P,Houghton PJ,Hoult JR

更新日期：2004-06-01 00:00:00

abstract：:The present study is aimed at evaluating the effects of luteolin on the scratching behavior associated with an allergic cutaneous reaction in mice. Elicitation of passive cutaneous anaphylaxis, and intradermal injections of compound 48/80, histamine or serotonin induced scratching behavior in ICR mice. Models of irrit...

journal_title：Planta medica

authors： Baolin L,Weiwei W,Ning T

更新日期：2005-05-01 00:00:00

abstract：:Herbal medicine has been used to treat diseases for centuries; however, the biological active components and the mechanistic understanding of actions of plant-derived drugs are permanently discussed. MicroRNAs are a class of small, non-coding RNAs that play crucial roles as regulators of gene expression. In recent yea...

journal_title：Planta medica

authors： Xie W,Weng A,Melzig MF

更新日期：2016-08-01 00:00:00

abstract：:This paper studies the effect of different concentrations of ethephon on the levels of the sesquiterpene, nootkatone, and of the flavanones, naringin and narirutin, in grapefruit fruits. The results show that nootkatone synthesis and/or accumulation was stimulated by all the concentrations of ethephon assayed, while t...

journal_title：Planta medica

authors： Puig DG,Pérez ML,Fuster MD,Ortuño A,Sabater F,Porras I,Lidón AG,Del Río JA

更新日期：1995-06-01 00:00:00

abstract：:Tuberculosis, also called TB, is currently a major health hazard due to multidrug-resistant forms of bacilli. Global efforts are underway to eradicate TB using new drugs with new modes of action, higher activity, and fewer side effects in combination with vaccines. For this reason, unexplored new sources and previousl...

journal_title：Planta medica

authors： Santhosh RS,Suriyanarayanan B

更新日期：2014-01-01 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：:The essential oils of Salvia ringens (samples A and B), were analyzed by means of GC and GC/MS. From the seventy-five identified constituents representing 99.82 and 99.86% of the oils, 1,8-cineole and alpha-pinene were the major components. Furthermore, sample B exhibited a very interesting antimicrobial profile after...

journal_title：Planta medica

authors： Tzakou O,Pitarokili D,Chinou IB,Harvala C

更新日期：2001-02-01 00:00:00

abstract：:In the course of our investigations on Umutambasha in order to identify its convulsant principles, small quantities of monofluoroacetate were observed in stem bark, leaves, and fruits of this plant newly identified as Dichapetalum michelsonii Hauman. Conclusive evidence for a monofluoroacetate presence came from its i...

journal_title：Planta medica

authors： Esters V,Karangwa C,Tits M,Francotte P,Pirotte B,Servais AC,Fillet M,Crommen J,Robbrecht E,Minet A,Grisar T,Angenot L,Frederich M

更新日期：2013-03-01 00:00:00

abstract：:The absolute stereostructure of a novel skeletal diterpene, standishinal (1), from the bark of Thuja standishii was confirmed by X-ray crystallographic analyses of 1 and its p-bromobenzoate derivative. Aromatase inhibitory activities of standishinal, eight known diterpenes, totarol, 12-methoxyabieta-8,11,13-trien-11-o...

journal_title：Planta medica

authors： Minami T,Iwamoto M,Ohtsu H,Ohishi H,Tanaka R,Yoshitake A

更新日期：2002-08-01 00:00:00

abstract：:Three new depsidones, parmosidones F - G (1 - 2), and 8'-O-methylsalazinic acid (3), and 3 new diphenylethers, parmetherines A - C (4 - 6), together with 2 known congeners were isolated from the whole thalli of Parmotrema dilatatum, a foliose chlorolichen. Their structures were unambiguously determined by extensive sp...

journal_title：Planta medica

authors： Devi AP,Duong TH,Ferron S,Beniddir MA,Dinh MH,Nguyen VK,Pham NK,Mac DH,Boustie J,Chavasiri W,Pogam PL

更新日期：2020-11-01 00:00:00

abstract：:Four new (1-4) and two known compounds (5, 6) were isolated from the aerial parts of Araucaria cunninghamii. By analysis of UV, IR, MS, and NMR, the new compounds were identified as ENT-19-(Z)-coumaroyloxylabda-8(17),13(16),14-triene (1), ENT-19-( E)-coumaroyloxylabda-8(17),13(16),14-triene (2), shikimic acid N-butyl ...

journal_title：Planta medica

authors： Chen J,Chen JJ,Yang LQ,Hua L,Gao K

更新日期：2011-03-01 00:00:00

abstract：:The inhibition of aflatoxin B1 (AFB1) metabolism by a water extract of the root of Scutellaria baicalensis and its flavonoids was examined in liver microsomes. AFB1 is known to be metabolized to aflatoxin M1 (AFM1), aflatoxin Q1 (AFQ1), and AFB1-8,9-epoxide (AFBO). The water extract potently inhibited the production o...

journal_title：Planta medica

authors： Kim BR,Kim DH,Park R,Kwon KB,Ryu DG,Kim YC,Kim NY,Jeong S,Kang BK,Kim KS

更新日期：2001-07-01 00:00:00

abstract：:In this work we studied the effect of alpha-asarone, a hypolipidemic active principle of Guatteria gaumeri Greenman, on hepatic lipid metabolism using adult rat hepatocytes cultured on a feeder layer of 3T3 cells. These cultures synthesize and secrete for at least two weeks various lipids from [14C]-acetic and [14C]-o...

journal_title：Planta medica

authors： Hernández A,López ML,Chamorro G,Mendoza-Figueroa T

更新日期：1993-04-01 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：:Three new β-indoloquinazoline alkaloids, orirenierine A (1), B (2) and C (4), together with eleven known compounds were isolated from the methanol extract of the stems of Oricia renieri. The structures of all compounds were determined by comprehensive analyses of their spectroscopic data and comparison with literature...

journal_title：Planta medica

authors： Wansi JD,Happi EN,Bavoua JL,Devkota KP,Sewald N

更新日期：2012-01-01 00:00:00