Triterpenes from the combined leaf and stem of Lithospermum caroliniense.

abstract：:An investigation into the antibacterial properties of Hypericum foliosum Aiton. (Guttiferae) has led to the isolation of a new bioactive acylphloroglucinol natural product which by NMR spectroscopy and mass spectrometry was characterised as 1,3,5-trihydroxy-6-[2''',3'''-epoxy-3'''-methyl-butyl]-2-[2''-methyl-butanoyl]...

journal_title：Phytochemistry

authors： Gibbons S,Moser E,Hausmann S,Stavri M,Smith E,Clennett C

更新日期：2005-06-01 00:00:00

abstract：:Six undescribed triterpenoids, schincarins A‒F, categorized as the preschisanartane (schincarin A), 3,4-secocycloartane (schincarins B‒D), 3,4; 9,10-disecocycloartane (schincarin E), and 3,4-secolanostane (schincarin F) classes, along with twelve known analogues, were obtained from the stems and leaves of Schisandra i...

journal_title：Phytochemistry

authors： Zhou M,Peng X,Zhou J,Liu Y,Meng X,Ruan H

更新日期：2020-09-01 00:00:00

abstract：:Cinnamyl alcohol dehydrogenase (CAD) (EC 1.1.1.195) from a dicot, Aralia cordata, was purified to homogeneity and its properties were characterized. The enzyme shows a preference for cinnamyl alcohols and cinnamyl aldehydes as substrates. The M(r) is estimated at 72,000. The enzyme is composed of two heterogeneous sub...

journal_title：Phytochemistry

authors： Hibino T,Shibata D,Umezawa T,Higuchi T

更新日期：1993-02-01 00:00:00

abstract：:The study of phosphoproteome on a global scale represents one of the challenges in the post-genomic era. Here, we propose an integrated procedure starting from the crude protein extract, that consists of sequential purification steps, and ending up in the identification of phosphorylation sites. This involves (i) an e...

journal_title：Phytochemistry

authors： Laugesen S,Messinese E,Hem S,Pichereaux C,Grat S,Ranjeva R,Rossignol M,Bono JJ

更新日期：2006-10-01 00:00:00

abstract：:Landraces of maize (Zea mays ssp. mays) and its wild teosinte relatives (Zea mays spp. parviglumis and mexicana) were surveyed for sensitivity to fumonisin B(1), a phytotoxin produced by the maize pathogen Gibberella moniliformis. Only two of 42 Z. mays samples were highly insensitive to FB(1) (ED(50) = ca. 200 microM...

journal_title：Phytochemistry

authors： Desjardins AE,Plattner RD,Stessman RJ,McCormick SP,Millard MJ

更新日期：2005-10-01 00:00:00

abstract：:The incomplete structure proposed in 1972 for a unique "flavone-polysaccharide" compound, MF-1, from the liverwort Monoclea forsteri, has been re-examined. Rather than the proposed 8-methoxyluteolin structure with polysaccharides attached to the 7- and 4'-hydroxyls, MF-1 has been shown to be primarily a mixture of pen...

journal_title：Phytochemistry

authors： Markham KR

更新日期：2003-07-01 00:00:00

abstract：:A pyrroloisoquinoline alkaloid, 2,3-dimethoxy-6-(3-oxo-butyl)-7,9,10,11,11a,12-hexahydrobenzo[f]pyrrolo[1,2-b]isoquinoline (1), whose structure was determined by spectroscopic methods, was isolated from the aerial parts of Cynanchum komarovii, together with two known alkaloids, 7-demethoxytylophorine (2) and 7-demetho...

journal_title：Phytochemistry

authors： An T,Huang RQ,Yang Z,Zhang DK,Li GR,Yao YC,Gao J

更新日期：2001-12-01 00:00:00

abstract：:Four new oleanane triterpenoid saponins named triplosides D-G were isolated from the roots of Triplostegia grandiflora. Their structures were elucidated on the basis of chemical degradation and spectral evidence. The saponins investigated were: oleanolic acid 3-O-beta-D-xylopyranosyl(1----4)-beta-D-xylopyranosyl(1----...

journal_title：Phytochemistry

authors： Ma WG,Wang DZ,Zeng YL,Yang CR

更新日期：1992-04-01 00:00:00

abstract：:A new sweet triterpene glycoside, periandrin V, was isolated from the roots of Periandra dulcis and identified as 3 beta-O-[beta-D-xylopyranosyl-(1-->2)-beta-D-glucuronopyranosyl]-25 -al-olean-18(19)-en-30-oic acid on the basis of chemical and spectral evidence. The structure of an acid-rearranged product of periandri...

journal_title：Phytochemistry

authors： Suttisri R,Chung MS,Kinghorn AD,Sticher O,Hashimoto Y

更新日期：1993-09-01 00:00:00

abstract：:Bispecific O-methyltransferase (OMT, EC 2.1.1.68) which catalyses the meta-specific methylation of caffeic acid and 5-hydroxyferulic acid was purified to homogeneity from the developing secondary xylem of aspen (Populus tremuloides). The enzyme was purified by conventional techniques and affinity chromatography on S-a...

journal_title：Phytochemistry

authors： Bugos RC,Chiang VL,Campbell WH

更新日期：1992-05-01 00:00:00

abstract：:Lipid oxidation is a common metabolic reaction in all biological systems, appearing in developmentally regulated processes and as response to abiotic and biotic stresses. Products derived from lipid oxidation processes are collectively named oxylipins. Initial lipid oxidation may either occur by chemical reactions or ...

journal_title：Phytochemistry

authors： Andreou A,Feussner I

更新日期：2009-09-01 00:00:00

abstract：:Eleven indole alkaloids, comprising four corynanthean, two eburnane, one aspidofractinine, one secoleuconoxine, one andranginine, and two pauciflorine type alkaloids were isolated from the stem-bark and leaf extracts of Kopsia pauciflora. Their structures were determined using NMR and MS analyses. The catharinensine t...

journal_title：Phytochemistry

authors： Gan CY,Yoganathan K,Sim KS,Low YY,Lim SH,Kam TS

更新日期：2014-12-01 00:00:00

abstract：:Three mature Eucalyptus globulus trees with 40 years of age were studied at three height levels (0%, 35%, and 60% of total tree height) and at three radial regions (sapwood, inner and outer heartwood). The composition of lipophilic extracts was evaluated and an extensive list of 202 compounds was reported for the firs...

journal_title：Phytochemistry

authors： Gominho J,Lourenço A,Marques AV,Pereira H

更新日期：2020-12-01 00:00:00

abstract：:The new concept that Na/K-ATPase acts as a receptor prompted us to look for new ligands from Callicarpa kwangtungensis Chun. Using column chromatography, an undescribed phenethyl alcohol glycoside, callicarpanoside A, and an undescribed benzyl alcohol glycoside, callicarpanoside B, along with twelve known polyphenols ...

journal_title：Phytochemistry

authors： Xu Y,Jiang X,Xu J,Qu W,Xie Z,Jiang RW,Feng F

更新日期：2021-01-01 00:00:00

abstract：:In Central America aerial parts of the Asteraceae Milleria quinqueflora are used in traditional medicine as a remedy for skin infections. Reinvestigation of this plant afforded thirteen sesquiterpene lactones (Sls), three of them are new. All isolated Sls were studied for their anti-inflammatory activity using the tra...

journal_title：Phytochemistry

authors： Castro V,Rüngeler P,Murillo R,Hernandez E,Mora G,Pahl HL,Merfort I

更新日期：2000-01-01 00:00:00

abstract：:Four dimeric chalcone derivatives, 8″,9″-dihydrowelwitschin H, uvarins A-C, a naphthalene derivative, 2-hydroxy-3-methoxy-6-(4'- hydroxyphenyl)naphthalene, and the known dimeric chalcones, dependensin and welwitschin E, flavonoids, a cyclohexane oxide derivative, an aromatic aldehyde were isolated from the roots of Uv...

journal_title：Phytochemistry

authors： Salae AW,Chairerk O,Sukkoet P,Chairat T,Prawat U,Tuntiwachwuttikul P,Chalermglin P,Ruchirawat S

更新日期：2017-03-01 00:00:00

abstract：:The incorporation of [1-13C]-labeled glucose into the irregular monoterpene artemisia ketone, the regular monoterpenes camphor and beta-thujone, the sesquiterpene germacrene D, the diterpene trans-phytol and beta-sitosterol and isofucosterol has been studied in axenic cultures of Tanacetum vulgare L. (Asteraceae). Qua...

journal_title：Phytochemistry

authors： Umlauf D,Zapp J,Becker H,Adam KP

更新日期：2004-09-01 00:00:00

abstract：:Three plant proteinase inhibitors BbKI (kallikrein inhibitor) and BbCI (cruzipain inhibitor) from Bauhinia bauhinioides, and a BrTI (trypsin inhibitor) from B. rufa, were examined for other effects in Callosobruchus maculatus development; of these only BrTI affected bruchid emergence. BrTI and BbKI share 81% identitie...

journal_title：Phytochemistry

authors： Sumikawa JT,Brito MV,Macedo ML,Uchoa AF,Miranda A,Araujo AP,Silva-Lucca RA,Sampaio MU,Oliva ML

更新日期：2010-02-01 00:00:00

abstract：:During the past 50 years there have been tremendous advances in chemical and biological techniques of analysis that have transformed research in pharmacognosy. The PSE has regularly held symposia of relevance to pharmacognosy and some of these are briefly reviewed in the area of natural products from higher plants. Th...

journal_title：Phytochemistry

authors： Phillipson JD

更新日期：2007-11-01 00:00:00

abstract：:A dynamic model for plant cell and hairy root primary metabolism is presented. The model includes nutrient uptake (Pi, sugars, nitrogen sources), the glycolysis and pentose phosphate pathways, the TCA cycle, amino acid biosynthesis, respiratory chain, biosynthesis of cell building blocks (structural hexoses, organic a...

journal_title：Phytochemistry

authors： Cloutier M,Perrier M,Jolicoeur M

更新日期：2007-08-01 00:00:00

abstract：:Poliumoside, forsythoside B, echinacoside and arenarioside, caffeic glycoside esters, were isolated from several species of Oleaceae. The poliumoside/forsythoside ratio distinguishes Jasminum nudiflorum from J. mesnyi. Arenarioside and forsythoside B act in Forsythia species as good hybridization markers. ...

journal_title：Phytochemistry

authors： Andary C,Tahrouch S,Marion C,Wylde R,Heitz A

更新日期：1992-03-01 00:00:00

abstract：:In a chemotaxonomic survey of 57 Pelargonium species, leaf exudate flavonoids were detected in 35% of the sample, mostly in trace amounts. However, chrysin and a related C-methylflavanone were identified as major leaf surface constituents of P. crispum, and a mixture of quercetin and kaempferol mono-, and di- and trim...

journal_title：Phytochemistry

authors： Williams CA,Harborne JB,Newman M,Greenham J,Eagles J

更新日期：1997-12-01 00:00:00

abstract：:Vascular plants have evolved with remarkable ways to form and protect the vasculature apparatus. In certain woody shrubs, the secondary xylem can have within its center a hollowed pith surrounded by secondary xylem, whereas in most trees there is a solid core of heartwood. Both types of woody systems have, however, th...

journal_title：Phytochemistry

authors： Kwon M,Davin LB,Lewis NG

更新日期：2001-07-01 00:00:00

abstract：:Salvia is the largest genus of the Lamiaceae family, with over 900 species in the world which about 60 species are distributed in Iran, 17 of them are endemic. In Iran, Salvia species have been used to treat various diseases with a wide spectrum of pharmacological activity in vitro and in vivo. The present review summ...

journal_title：Phytochemistry

authors： Askari SF,Avan R,Tayarani-Najaran Z,Sahebkar A,Eghbali S

更新日期：2020-12-26 00:00:00

abstract：:20(S)-protopanaxadiol (PPD(S)) and 20(R)-protopanaxadiol (PPD(R)), the main metabolites of ginsenosides Rg3(S) and Rg3(R) in black ginseng, are potential candidates for anti-cancer therapy due to their pharmacological activities such as anti-tumor properties. In the present study, we report the preparation of PPD(S, R...

journal_title：Phytochemistry

authors： Liu L,Zhu XM,Wang QJ,Zhang DL,Fang ZM,Wang CY,Wang Z,Sun BS,Wu H,Sung CK

更新日期：2010-09-01 00:00:00

abstract：:Six new methyl angolensate type (1-6) and three new mexicanolide-type (7-9) limonoids, along with six known limonoids (10-15), were isolated from the seeds of Cipadessa baccifera. The structures of all these compounds were established by extensive 1D, 2D NMR, and HRESIMS experiments, and structures of 11 and 13 were f...

journal_title：Phytochemistry

authors： Siva B,Poornima B,Venkanna A,Prasad KR,Sridhar B,Nayak VL,Ramakrishna S,Babu KS

更新日期：2014-02-01 00:00:00

abstract：:8-dimethylallylnaringenin (8-DMAN) 2'-hydroxylase, which is indispensable for the formation of a lavandulylated flavanone, sophoraflavanone G, was detected in cell suspension cultures of Sophora flavescens. The enzyme catalyzes the 2'-hydroxylation of 8-DMAN to leachianone G, and is tightly bound to the membrane. It r...

journal_title：Phytochemistry

authors： Yamamoto H,Yatou A,Inoue K

更新日期：2001-11-01 00:00:00

abstract：:The kaempferol derivative 3,7-di-O-methyl-4'-O-beta-[alpha rhamnosyl (1 --> 6)]-glucopyranoside (siparunoside) was isolated from the leaves of Sparuna apiosyce. Its structure was established by extensive NMR studies. The alkaloids reticuline and liriodenine were also isolated from the leaves along with the kaempferol ...

journal_title：Phytochemistry

authors： Leitão GG,Soares SS,Brito TD,Delle Monache F

更新日期：2000-11-01 00:00:00

abstract：:Bioguided-fractionation of an acetone extract of the roots of Salvia cilicica (Lamiaceae) led to isolation of two new diterpenes, 7-hydroxy-12-methoxy-20-nor-abieta-1,5(10),7,9,12-pentaen-6,14-dione and abieta-8,12-dien-11,14-dione (12-deoxy-royleanone), together with oleanolic acid, ursolic acid, ferruginol, inuroyol...

journal_title：Phytochemistry

authors： Tan N,Kaloga M,Radtke OA,Kiderlen AF,Oksüz S,Ulubelen A,Kolodziej H

更新日期：2002-12-01 00:00:00

abstract：:The recently isolated pigments from Petunia integrifolia and Triteleia bridgesii present a distinct feature that sheds new light on the understanding of intramolecular copigmentation of anthocyanins. These are among the infrequent anthocyanins that naturally present a coumaric acid substituent in both cis and trans fo...

journal_title：Phytochemistry

authors： George F,Figueiredo P,Toki K,Tatsuzawa F,Saito N,Brouillard R

更新日期：2001-07-01 00:00:00