Antibacterial properties of phenolic triterpenoids against Staphylococcus epidermidis.

abstract：:Two new lignans, (-)-aptosimon ( 1) and (-)-diasesamin-di-gamma-lactone ( 2), together with twenty-two known compounds, have been isolated from the stems and roots of Wikstroemia lanceolata. The structures of the new compounds were determined through spectral analyses. The proton and carbon assignments of the known se...

journal_title：Planta medica

authors： Lin RW,Tsai IL,Duh CY,Lee KH,Chen IS

更新日期：2004-03-01 00:00:00

abstract：:Purification of a cytotoxic crude alkaloid extract of Cassytha filiformis led to the isolation of four known aporphine alkaloids: neolitsine, dicentrine, cassythine (= cassyfiline) and actinodaphnine. Their structures were determined by analysis of spectroscopic data. All isolated alkaloids were tested for their cytot...

journal_title：Planta medica

authors： Stévigny C,Block S,De Pauw-Gillet MC,de Hoffmann E,Llabrès G,Adjakidjé V,Quetin-Leclercq J

更新日期：2002-11-01 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 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：:We have previously shown that 11 ent-kauranes isolated from the stems of Annona squamosa exhibited immunomodulating effects in leukocytes. In this study, a cellular model using isolated human neutrophils, which are important in the pathogenesis of rheumatoid arthritis, ischemia-reperfusion injury, chronic obstructive ...

journal_title：Planta medica

authors： Yeh SH,Chang FR,Wu YC,Yang YL,Zhuo SK,Hwang TL

更新日期：2005-10-01 00:00:00

abstract：:The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. The extract of the herb of Ch.majus als...

journal_title：Planta medica

authors： Vavrecková C,Gawlik I,Müller K

更新日期：1996-10-01 00:00:00

abstract：:Khat (Catha edulis Forsk.) is a perennial shrub whose young leaves are chewed for their psychostimulating and anorectic properties. The main active principles of khat are believed to be the phenylpropylamino alkaloids, primarily (-)-cathinone [(S)-α-aminopropiophenone], (+)-cathine [(1S)(2S)-norpseudoephedrine], and (...

journal_title：Planta medica

authors： Krizevski R,Bar E,Dudai N,Levy A,Lewinsohn E,Sitrit Y,Ben-Shabat S

更新日期：2012-05-01 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：:Stabilization of growth factors in a wound environment is critical to the wound healing process. Here we report on the stabilization of key growth factors by a unique plant cell wall biomaterial. MicroSheets are clear cell wall fragments isolated from the non-living water storage cells in the pulp or inner gel of Aloe...

journal_title：Planta medica

authors： Ni Y,Turner D,Yates K,Tizard I

更新日期：2007-10-01 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

authors： Wagner H,Kreutzkamp B,Jurcic K

更新日期：1985-10-01 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 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：:Astilbin, a flavonoid compound, was isolated from the rhizome of Smilax glabra Roxb. This study was conducted to investigate the efficacy of astilbin on experimental diabetic nephropathy (DN) in vivo and in vitro and its possible mechanisms. Astilbin was added in high glucose stimulated HK-2 cells, streptozotocin-indu...

journal_title：Planta medica

authors： Li GS,Jiang WL,Yue XD,Qu GW,Tian JW,Wu J,Fu FH

更新日期：2009-11-01 00:00:00

abstract：:Natural products from fungi, especially Ascomycota, play a major role in therapy and drug discovery. Fungal strains originating from marine habitats offer a new avenue for finding unusual molecular skeletons. Here, the marine-derived fungus Epicoccum nigrum (strain 749) was found to produce the azaphilonoid compounds ...

journal_title：Planta medica

authors： Hufendiek P,Stölben SSM,Kehraus S,Merten N,Harms H,Crüsemann M,Arslan I,Gütschow M,Schneider T,König GM

更新日期：2017-08-01 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

authors： Bohlmann F,Zdero C,King RM,Robinson H

更新日期：1984-04-01 00:00:00

abstract：:PAPAVER SOMNIFERUM L. tissue cultures, issued from various explants (cotyledons, hypocotyls, roots) derived from plantlets belonging to two genotypes, were established on LS solid medium containing growth regulators (NAA, Kin) in various combinations. Hypocotyls and roots were found to be interesting explants to obtai...

journal_title：Planta medica

authors： Laurain-Mattar D,Gillet-Manceau F,Buchon L,Nabha S,Fliniaux MA,Jacquin-Bubreuil A

更新日期：1999-03-01 00:00:00

abstract：:The seed pods of Erythrina latissima yielded erysotrine, erysodine, syringaresinol, vanillic acid, a new erythrina alkaloid, (+)-10,11-dioxoerysotrine, which was lethal to brine shrimp and 2-(5'-hydroxy-3'-methoxy phenyl)-6-hydroxy-5-methoxybenzofuran, which showed strong antimicrobial activity against the yeast spore...

journal_title：Planta medica

authors： Wanjala CC,Juma BF,Bojase G,Gashe BA,Majinda RR

更新日期：2002-07-01 00:00:00

abstract：:The aim of this study was to determine the molecular mechanism underlying the inhibition of vascular restenosis by Radix Sophorae Flavescentis (RSF) extract after balloon dilatation injury. In a rat carotid model of balloon dilatation injury, the RSF extract showed a significant inhibitory effect on vascular restenosi...

journal_title：Planta medica

authors： Long G,Wang G,Ye L,Lin B,Wei D,Liu L,Yang L

更新日期：2009-10-01 00:00:00

abstract：:A total of 18 purified lignans was evaluated for antiviral activity against murine cytomegalovirus (CMV) and Sindbis virus, by means of different treatment regimens. Podophyllotoxin and alpha-peltatin were the most potent compounds, and they apparently inhibited murine CMV at an essential early step in the replication...

journal_title：Planta medica

authors： MacRae WD,Hudson JB,Towers GH

更新日期：1989-12-01 00:00:00

abstract：:The phytochemical investigation of the aerial parts of LACTUCA SALIGNA L. revealed the presence of lactucin, lactucopicrin, and a new guaianolide named 11beta,13-dihydrolactucopicrin. The structural configuration was established through spectral data. ...

journal_title：Planta medica

authors： Khalil AT,El-Fattah HA,Mansour ES

更新日期：1991-04-01 00:00:00

abstract：:One new drimane-type sesquiterpenoid, 3 β-angeloyloxy-7-epifutronolide (1), and one new natural product, polygonumate (2), along with six known drimane-type sesquiterpenes [dendocarbin L (3), (+) winterin (4), (+) fuegin (5), changweikangic acid A (6), futronolide (7), and 7-ketoisodrimenin (8)] were isolated from the...

journal_title：Planta medica

authors： Sultana R,Hossain R,Adhikari A,Ali Z,Yousuf S,Choudhary MI,Ali MY,Zaman MS

更新日期：2011-11-01 00:00:00

abstract：:Ten clones of dark-leaved willows ( Salix myrsinifolia Salisb.) were grown for two years on two different sites, Luikonlahti and Punkaharju, using various combinations of soil cultivation, fertilization and mulch treatments, with the objective of comparing the effect of different cultivation methods on the growth and ...

journal_title：Planta medica

authors： Heiska S,Rousi M,Turtola S,Meier B,Tirkkonen V,Julkunen-Tiitto R

更新日期：2005-12-01 00:00:00

abstract：:The present study assessed the absolute and relative bioavailabilities of dodeca-2 E,4 E,8 Z,10 E/ Z-tetraenoic acid isobutylamides (tetraenes), the main bioactive constituents in Echinacea, administered as pure compounds or in the form of an Echinacea purpurea root extract preparation. Tetraenes were administered ora...

journal_title：Planta medica

authors： Ardjomand-Woelkart K,Kollroser M,Magnes C,Sinner F,Frye RF,Derendorf H,Bauer R,Butterweck V

更新日期：2011-11-01 00:00:00

abstract：:Sponges are a useful source of bioactive natural products. Members of the family Mycalidae, in particular, have provided a variety of chemical structures including alkaloids, polyketides, terpene endoperoxides, peptides, and lipids. This review highlights the compounds isolated from Mycalid sponges and their associate...

journal_title：Planta medica

authors： Habener LJ,Hooper JN,Carroll AR

更新日期：2016-06-01 00:00:00

abstract：:The aerial parts of Guarea guidonia afforded three new tirucallane-type triterpenoids: 3,4-seco-tirucalla-4(28),8(9),24(25)-trien-7α,11α-dihydroxy-21,23-epoxy-3,11-olide, named guareolide (1: ), 3,4-seco-tirucalla-4(28),7(8),24(25)-trien-21-hydroxy-21,23-epoxy-3-oic acid, named guareoic acid A (2: ), and 3,4-seco-tiru...

journal_title：Planta medica

authors： Hernandez V,De Leo M,Cotugno R,Braca A,De Tommasi N,Severino L

更新日期：2018-07-01 00:00:00

abstract：:DNA barcoding methods originally developed for the identification of plant specimens have been applied to the authentication of herbal drug materials for industrial quality assurance. These methods are intended to be complementary to current morphological and chemical methods of identification. The adoption of these m...

journal_title：Planta medica

authors： Sgamma T,Lockie-Williams C,Kreuzer M,Williams S,Scheyhing U,Koch E,Slater A,Howard C

更新日期：2017-10-01 00:00:00

abstract：:Genome sequencing provides new opportunities and challenges for identifying genes for the biosynthesis of secondary metabolites. A putative biosynthetic gene cluster of fumigaclavine C, an ergot alkaloid of the clavine type, was identified in the genome sequence of ASPERGILLUS FUMIGATUS by a bioinformatic approach. Th...

journal_title：Planta medica

authors： Li SM,Unsöld IA

更新日期：2006-10-01 00:00:00

abstract：:This study demonstrated that plant extracts containing acetylenic isobutylamides and polyacetylenes, previously reported as occurring in Echinacea, have phototoxic antimicrobial activity against fungi, including clinically relevant pathogenic fungi. Results show that hexane extracts of Echinacea variably inhibit growt...

journal_title：Planta medica

authors： Binns SE,Purgina B,Bergeron C,Smith ML,Ball L,Baum BR,Arnason JT

更新日期：2000-04-01 00:00:00

abstract：:Plant volatile organic compounds (volatiles) are secondary plant metabolites that play crucial roles in the reproduction, defence, and interactions with other vegetation. They have been shown to exhibit a broad range of biological properties and have been investigated for antimicrobial and anticancer activities. In ad...

journal_title：Planta medica

authors： Mun H,Townley HE

更新日期：2020-11-11 00:00:00

abstract：:Since the beginning of this century, Goji berries and juice are being sold as health food products in western countries and praised in advertisements and in the media for well-being and as an anti-aging remedy. The popularity of Goji products has rapidly grown over the last years thanks to efficient marketing strategi...

journal_title：Planta medica

authors： Potterat O

更新日期：2010-01-01 00:00:00