A new diterpene from Tanaecium jaroba.

abstract：:Flavonoids are metabolized in vivo to monocyclic phenolic acids. We investigated whether 18 phenolic acids of the benzoic, phenylacetic, phenylpropanoic or cinnamic series-known or potential metabolites of flavonoids-inhibit reactive oxygen species (ROS) released by human polymorphonuclear neutrophils (PMNs). Chemilum...

journal_title：Planta medica

authors： Limasset B,Ojasoo T,le Doucen C,Doré JC

更新日期：1999-02-01 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

abstract：:We present the application of the generative topographic map algorithm to visualize the chemical space populated by natural products and synthetic drugs. Generative topographic maps may be used for nonlinear dimensionality reduction and probabilistic modeling. For compound mapping, we represented the molecules by two-...

journal_title：Planta medica

authors： Miyao T,Reker D,Schneider P,Funatsu K,Schneider G

更新日期：2015-04-01 00:00:00

abstract：:A methanolic extract of Commelina communis showed potent inhibitory activity against alpha-glucosidase. One pyrrolidine alkaloid, 2,5-dihydroxymethyl-3,4-dihydroxypyrrolidine (DMDP, 1) and four piperidine alkaloids, 1-deoxymannojirimycin (2), 1-deoxynojirimycin (3), alpha-homonojirimycin (4) and 7-O-beta-D-glucopyrano...

journal_title：Planta medica

authors： Kim HS,Kim YH,Hong YS,Paek NS,Lee HS,Kim TH,Kim KW,Lee JJ

更新日期：1999-06-01 00:00:00

abstract：:Cnidicin (1) and five related coumarins were isolated from the root extract of Angelica koreana (Umbelliferae) as active principles responsible for the inhibitory effect on the degranulation process of cultured mast cells. Cnidicin (1) demonstrated a significant inhibition upon the release of beta-hexosaminidase from ...

journal_title：Planta medica

authors： Ryu SY,Kou NY,Choi HS,Ryu H,Kim TS,Kim KM

更新日期：2001-03-01 00:00:00

abstract：:Averrhoa bilimbi Linn. fruit and its extracts were screened for antihypercholesterolemic activity using Triton-induced hypercholesterolemia in rats as a model. The fruit and its water extract, but not alcohol and hexane extracts, showed remarkable antihypercholesterolemic activity. An active fraction, which showed act...

journal_title：Planta medica

authors： Ambili S,Subramoniam A,Nagarajan NS

更新日期：2009-01-01 00:00:00

abstract：:The therapeutic goal in liver fibrosis is the reversal of fibrosis and the selective clearance of activated hepatic stellate cells (HSCs) by inducing apoptosis. Over the past several years, we have screened for natural products that mediate apoptosis in activated HSCs. Among the candidate compounds, honokiol, isolated...

journal_title：Planta medica

authors： Park EJ,Zhao YZ,Kim YH,Lee BH,Sohn DH

更新日期：2005-01-01 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

authors： Jakupovic J,Sun H,Geerts S,Bohlmann F

更新日期：1987-02-01 00:00:00

abstract：:The genetic barcode ITS2 (ITS: internal transcribed spacer) and pollen morphology were used for the identification of the pharmacologically valuable wild Araliaceae species Panax ginseng, Oplopanax elatus, Aralia elata, Aralia continentalis, Eleutherococcus senticosus, and Eleutherococcus sessiliflorus inhabiting the ...

journal_title：Planta medica

authors： Reunov A,Reunova G,Atopkin D,Reunova Y,Muzarok T,Zakharov E,Zhuravlev Y

更新日期：2018-01-01 00:00:00

abstract：:Poncirus trifoliata (Rutaceae) extracts have been known to possess anti-allergic, anti-inflammatory and antiviral activities. However, other biological activities, especially, the anticancer potential of extracts of P. trifoliata or its constituents, have not been fully investigated yet. In this study, we have evaluat...

journal_title：Planta medica

authors： Hong J,Min HY,Xu GH,Lee JG,Lee SH,Kim YS,Kang SS,Lee SK

更新日期：2008-02-01 00:00:00

abstract：:Aerial parts of Persicaria lapathifolia S.F. Gray (Polygonaceae) exhibited an inhibitory effect on superoxide production in unopsonized zymosan-stimulated human monocytes. Two known compounds, quercetin 3-O-beta-(2"-galloyl)-glucopyranoside and quercetin 3-O-beta-(2"-galloyl)-rhamnopyranoside, and a new compound, quer...

journal_title：Planta medica

authors： Kim Y,Jang DS,Park SH,Yun J,Min BK,Min KR,Lee HK

更新日期：2000-02-01 00:00:00

abstract：:Geniposide, a main iridoid glucoside component of gardenia fruit, has been shown to possess anti-inflammatory activity. However, its potential use for acute lung injury (ALI) has not yet been studied. The aim of this study was to evaluate the anti-inflammatory properties of geniposide using a mouse ALI model. ALI was ...

journal_title：Planta medica

authors： Xiaofeng Y,Qinren C,Jingping H,Xiao C,Miaomiao W,Xiangru F,Xianxing X,Meixia H,Jing L,Jingyuan W,Xinxin C,Hongyu L,Yanhong D,Lanxiang J,Xuming D

更新日期：2012-04-01 00:00:00

abstract：:Infusions of Citrullus colocynthis Schrad. (Cucurbitaceae) fruits are traditionally used as antidiabetic medication in Mediterranean countries, but to our knowledge no studies have been undertaken so far to determine the possible mechanisms involved in the antidiabetic properties of the fruit. The present study was de...

journal_title：Planta medica

authors： Nmila R,Gross R,Rchid H,Roye M,Manteghetti M,Petit P,Tijane M,Ribes G,Sauvaire Y

更新日期：2000-06-01 00:00:00

abstract：:Biosynthetic pathways of the essential oil components in PERILLA FRUTESCENS were examined by tracer experiments using [ (14)C]-labeled sucrose on two chemotypes: perillaketone (PK) and phenylpropanoid (PP-EM) types. The results of the experiments indicated that perillaketone is not converted from isoegomaketone but is...

journal_title：Planta medica

authors： Nishizawa A,Honda G,Tabata M

更新日期：1989-06-01 00:00:00

abstract：:From Polygonum hydropiper L., a C13-norisoprenoid glucoside was isolated and its absolute configuration was established to be (6S,9S)-roseoside (1) by spectroscopic evidence and X-ray crystallographic analysis of its acetate derivative (2). In addition, the stereostructure of roseoside from Canthium subcordatum was re...

journal_title：Planta medica

authors： Murai Y,Kashimura S,Tamezawa S,Hashimoto T,Takaoka S,Asakawa Y,Kiguchi K,Murai F,Tagawa M

更新日期：2001-07-01 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：: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

authors： Başer KH,Kinmer N

更新日期：1985-10-01 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

authors： Stoianova-Ivanova B,Budzikiewicz H,Koumanova B,Tsoutsoulova A,Mladenova K,Brauner A

更新日期：1983-12-01 00:00:00

abstract：:d-Dicentrine was isolated from the root of Lindera megaphylla. It inhibited the aggregation of washed rabbit platelets induced by ADP, collagen, arachidonic acid, and PAF. It also inhibited the high potassium- and norepinephrine-induced contraction of rat thoracic aorta. In rat ventricular cells treated with 3 microM ...

journal_title：Planta medica

authors： Chen CC,Huang YL,Ou JC,Su MJ,Yu SM,Teng CM

更新日期：1991-10-01 00:00:00

abstract：:Bisbenzylisoquinoline alkaloids are known to affect immune responses as well as inflammatory responses, and have been used for the treatment of inflammatory symptoms in China. This study is aimed at elucidating the inhibitory effects of two alkaloids, fangchinoline and isotetrandrine, on the induction of the proinflam...

journal_title：Planta medica

authors： Onai N,Tsunokawa Y,Suda M,Watanabe N,Nakamura K,Sugimoto Y,Kobayashi Y

更新日期：1995-12-01 00:00:00

abstract：:In previous studies, crude Houttuynia cordata polysaccharides showed beneficial effects on acute lung injury in vivo, a syndrome in which anti-complementary activities played an important role. Anti-complementary activity-guided fractionation of H. cordata polysaccharides led to the isolation of two highly branched ho...

journal_title：Planta medica

authors： Lu Y,Zhang JJ,Huo JY,Chen DF

更新日期：2019-09-01 00:00:00

abstract：:Fresh Nagami kumquats (Fortunella margarita) were subjected to hydrodistillation using a Clevenger-type apparatus to obtain volatile oil. The chemical composition of the volatile oil was analyzed by GC-MS using Rtx-5 Sil MS and DB Wax columns. A total of 25 volatile compounds were identified by mass spectra, retention...

journal_title：Planta medica

authors： Jayaprakasha GK,Murthy KN,Demarais R,Patil BS

更新日期：2012-06-01 00:00:00

abstract：:Endothelial dysfunction is characterised by the low bioavailability of nitric oxide with a relevant negative impact on the nitric oxide/cGMP pathway. The loss of nitric oxide/cGMP signaling may be caused by an increased arginase activity. Plant-derived substances, especially polyphenols, are compounds that have the po...

journal_title：Planta medica

authors： Minozzo BR,Fernandes D,Beltrame FL

更新日期：2018-03-01 00:00:00

abstract：:Shoot-tips from several genotypes of the cardenolide-producing perennial shrub Digitalis obscura L. were successfully cryopreserved using the encapsulation-dehydration technique. Precultivation on MS medium containing 0.5 M sucrose, followed by 2.5 h dehydration (final weight 30 %) induced shoot regrowth in 42 % of cr...

journal_title：Planta medica

authors： Sales E,Nebauer SG,Arrillaga I,Segura J

更新日期：2001-12-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of 7-epiclusianone (7-epi) on specific virulence attributes of Streptococcus mutans in vitro and on development of dental caries in vivo. 7-Epi was obtained and purified from fruits of Rheedia brasiliensis. We investigated its influence on surface-adsorbed glucosyltran...

journal_title：Planta medica

authors： Branco-de-Almeida LS,Murata RM,Franco EM,dos Santos MH,de Alencar SM,Koo H,Rosalen PL

更新日期：2011-01-01 00:00:00

abstract：:Propolis is a cereus resin with a complex chemical composition that possesses a wide range of biological activities. The aim of this study was to evaluate the in vitro anti-Giardia lamblia activity of Sonoran propolis collected from three different areas of Sonoran Desert in northwestern Mexico (Caborca, Pueblo de Ala...

journal_title：Planta medica

authors： Alday-Provencio S,Diaz G,Rascon L,Quintero J,Alday E,Robles-Zepeda R,Garibay-Escobar A,Astiazaran H,Hernandez J,Velazquez C

更新日期：2015-06-01 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：: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

authors： Schrutka-Rechtenstamm R,Kopp B,Löffelhardt W

更新日期：1985-10-01 00:00:00

abstract：:Oxygen radical injury and lipid peroxidation have been suggested as major causes of atherosclerosis, cancer, liver disease, and the aging process. More specifically, oxidative modification of low density lipoprotein (LDL) has been recognized as an important process of atherosclerosis. In this study, we determined the ...

journal_title：Planta medica

authors： Ide N,Nelson AB,Lau BH

更新日期：1997-06-01 00:00:00

abstract：:Olive oil has been shown to exhibit beneficial effects in the prevention of cardiovascular diseases although its molecular mechanism still remains unclear. In the present study, we investigated the effect of hydroxytyrosol (HT), a major phenolic component in olive oil and leaves from OLEA EUROPAEA L. (Oleaceae family...

journal_title：Planta medica

authors： Zrelli H,Matsuka M,Araki M,Zarrouk M,Miyazaki H

更新日期：2011-10-01 00:00:00