Biosynthesis of andrographolide in Andrographis paniculata.

abstract：:Proanthocyanidins (PACs) are natural plant-derived polymers used in leather tanning, wood adhesives, water purification, and mud additives for oil drilling. Quebracho (Schinopsis lorentzii and Schinopsis balansae) heartwood and mimosa (Acacia mearnsii) bark extracts are the major industrial sources of PACs. These comm...

journal_title：Phytochemistry

authors： Venter PB,Senekal ND,Amra-Jordaan M,Bonnet SL,Van der Westhuizen JH

更新日期：2012-06-01 00:00:00

abstract：:Pumpkin (Cucurbita pepo) seeds are used locally in Eritrea to treat tapeworm. Seeds were found to be rich in oil (approximately 35%), protein (38%), alpha-tocoferols (3 mg/100 g) and carbohydrate content (approximately 37%). The physico-chemical properties and fatty acid composition of the seed oil were examined. The ...

journal_title：Phytochemistry

authors： Younis YM,Ghirmay S,al-Shihry SS

更新日期：2000-05-01 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：:Three fructokinase isozymes (FKI, FKII, FKIII) were separated from both immature and ripe tomato fruit pericarp. All three isozymes were specific for fructose with undetectable activity towards glucose or mannose. The three isozymes could be distinguished from one another with respect to response to fructose, Mg and n...

journal_title：Phytochemistry

authors： Petreikov M,Dai N,Granot D,Schaffer AA

更新日期：2001-11-01 00:00:00

abstract：:Five new oleanane-type saponins, polygalasaponins XLII-XLVI, along with two known saponins were isolated from the roots of Polygala glomerata Lour. The structures of polygalasaponins XLII-XLVI were elucidated as 3-O-beta-D-glucopyranosyl presenegenin 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl- (1-->2)-{...

journal_title：Phytochemistry

authors： Zhang D,Miyase T,Kuroyanagi M,Umehara K,Noguchi H

更新日期：1998-02-01 00:00:00

abstract：:Five new compounds (three esters and two glycosides) and seven previously reported compounds were isolated as biotransformation products of digitoxigenin by ginseng hairy root cultures. The new esters and glycosides were elucidated as digitoxigenin stearate, digitoxigenin palmitate, digitoxigenin myristate, 3-epidigit...

journal_title：Phytochemistry

authors： Kawaguchi K,Hirotani M,Yoshikawa T,Furuya T

更新日期：1990-01-01 00:00:00

abstract：:A new triterpene and its glycosides were isolated from the bark of Schefflera octophylla together with asiatic acid and asiaticoside. Based on spectroscopic data, especially 2DNMR, and chemical transformations the structures of the new compounds were determined as 3 alpha-hydroxy-urs-12-ene-23,28-dioic acid and 3 alph...

journal_title：Phytochemistry

authors： Sung TV,Lavaud C,Porzel A,Steglich W,Adam G

更新日期：1992-01-01 00:00:00

abstract：:Dianthus carthusianorum is one of the dominant plant species colonising the Zn-Pb waste deposits in Bolesław, Southern Poland. It differs in terms of morphology and genetics from ecotypes inhabiting non-metal-polluted areas. The response of waste-heap (metallicolous, M) and reference (nonmetallicolous, NM) ecotypes of...

journal_title：Phytochemistry

authors： Wójcik M,Tukiendorf A

更新日期：2014-04-01 00:00:00

abstract：:Microbial transformation of (+/-)-eudesmin by Aspergillus niger was investigated. Enantioselective accumulation of (--)-pinoresinol was shown through O-demethylation of (+/-)-eudesmin. This fungus O- demethylated both enantiomers of eudesmin, but the conversion rates for each enantiomer were clearly different. ...

journal_title：Phytochemistry

authors： Kasahara H,Miyazawa M,Kameoka H

更新日期：1997-04-01 00:00:00

abstract：:A broad-based characterisation of a pharmacologically active dichloromethane extract from Isatis tinctoria leaves was carried out. For a comprehensive picture we also included the polar constituents of I. tinctoria (MeOH extract) and for comparative purposes, the taxonomically closely related plant I. indigotica. Diod...

journal_title：Phytochemistry

authors： Mohn T,Plitzko I,Hamburger M

更新日期：2009-05-01 00:00:00

abstract：:Six eudesmane-type sesquiterpene lactones, named chlorantholides A-F, were isolated from the ethanol extract of Chloranthus elatior (Chloranthaceae) together with 12 known compounds. Their structures were elucidated on the basis of extensive spectroscopic analysis, and their absolute configurations were studied by the...

journal_title：Phytochemistry

authors： Wang F,Zhou DS,Wei GZ,Ren FC,Liu JK

更新日期：2012-05-01 00:00:00

abstract：:Two novel triterpenoid saponins, dianchinenoside C [23-O-beta-D-glucopyranosyl 3 beta, 16 alpha-dihydroxyolean-12-ene 23 alpha, 28 beta-dioic acid 28-O-beta-D-glucopyranoside] and dianchinenoside D [3 beta, 16 alpha-dihydroxyolean-12-ene 23 alpha, 28 beta-dioic acid 28-O-beta-D-glucopyranosyl [1-->6)-beta-D-glucopyran...

journal_title：Phytochemistry

authors： Li HY,Koike K,Ohmoto T

更新日期：1994-02-01 00:00:00

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：:Profiles of terpenoid glycoside metabolites in glandular trichomes of Solanum habrochaites LA1777 leaves were generated using ultrahigh performance liquid chromatography/time-of-flight mass spectrometry with multiplexing of non-selective collision-induced dissociation (CID). Profiling data suggested a diverse group of...

journal_title：Phytochemistry

authors： Ekanayaka EA,Li C,Jones AD

更新日期：2014-02-01 00:00:00

abstract：:Incubation of the diterpene 2beta-hydroxy-ent-13-epi-manoyl oxide with Gibberella fujikuroi afforded in good yield 2beta,6beta-dihydroxy-ent-13-epi-manoyl oxide, 2beta,12beta-dihydroxy-ent-13-epi-manoyl oxide and 2beta,20-dihydroxy-ent-13-epi-manoyl oxide, confirming that although ent-13-epi-manoyl oxide is a final me...

journal_title：Phytochemistry

authors： Fraga BM,González P,Hernández MG,Suárez S

更新日期：2003-01-01 00:00:00

abstract：:The glycosylation of lipophilic small molecules produces many important plant secondary metabolites. The majority of these are O-glycosides with relatively fewer occurring as glucose esters of aromatic or aliphatic acids. In particular, monoterpene acid glucose esters have much lower structural diversity and distribut...

journal_title：Phytochemistry

authors： Goodger JQ,Woodrow IE

更新日期：2011-12-01 00:00:00

abstract：:Six chromene stilbenoids and one chromane stilbenoid were isolated from the African tree Hymenocardia acida. Several were moderately active against methicillin-resistant Staphylococcus aureus clinical isolate MRSA-108, including hymenocardichromanic acid, which was active at 8 μg/ml. None had IC50 values <20 μM in ant...

journal_title：Phytochemistry

authors： Starks CM,Williams RB,Norman VL,Rice SM,O'Neil-Johnson M,Lawrence JA,Eldridge GR

更新日期：2014-02-01 00:00:00

abstract：:Vanillin (4-hydroxy-3-methoxybenzaldehyde) is an important flavour and aroma molecule, but is also of interest because of its biogenetic relationship to the phenylpropanoid pathway and to other molecules of physiological significance, notably salicylate. Recent progress towards characterisation of the biosynthesis of ...

journal_title：Phytochemistry

authors： Walton NJ,Mayer MJ,Narbad A

更新日期：2003-07-01 00:00:00

abstract：:Bioassay-directed fractionation of an ethyl acetate extract from cultures of the fungus Malbranchea aurantiaca led to the isolation of two phytotoxic compounds, namely, 1-hydroxy-2-oxoeremophil-1(10),7(11),8(9)-trien-12(8)-olide (1) and penicillic acid (2). The structure of 1 was established by spectroscopic and X-ray...

journal_title：Phytochemistry

authors： Martínez-Luis S,González MC,Ulloa M,Mata R

更新日期：2005-05-01 00:00:00

abstract：:Four cycloartane- (hareftosides A-D) and oleanane-type triterpenoids (hareftoside E) were isolated from Astragalus hareftae along with fifteen known compounds. Structures of the compounds were established as 3,6-di-O-β-D-xylopyranosyl-3β,6α,16β,24(S),25-pentahydroxycycloartane, 3,6,24-tri-O-β-D-xylopyranosyl-3β,6α,16β...

journal_title：Phytochemistry

authors： Horo I,Bedir E,Masullo M,Piacente S,Ozgökçe F,Alankuş-Çalışkan O

更新日期：2012-12-01 00:00:00

abstract：:A ring-cleaved sesquiterpene, named seco-laurokamurone, four laurane-type sesquiterpenes, laurepoxyene, 3β-hydroperoxyaplysin, 3α-hydroperoxy-3-epiaplysin, and 8,10-dibromoisoaplysin, one laurokamurane-type sesquiterpene, laurokamurene D, and one bisabolane-type sesquiterpene, (5S)-5-acetoxy-β-bisabolene, have been is...

journal_title：Phytochemistry

authors： Yu XQ,He WF,Liu DQ,Feng MT,Fang Y,Wang B,Feng LH,Guo YW,Mao SC

更新日期：2014-07-01 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：:Aglaia argentea leaves yielded three new cycloartanes: argenteanones A and B, and argenteanol. The first two possess cytotoxic activity against KB cells (IC50 7.5 micrograms ml-1 and 6.5 micrograms ml-1 respectively). Structural elucidation was done by two-dimensional NMR spectroscopy. ...

journal_title：Phytochemistry

authors： Omobuwajo OR,Martin MT,Perromat G,Sevenet T,Awang K,Païs M

更新日期：1996-03-01 00:00:00

abstract：:The botanical classification of the huge genus Drosera remains controversial since long. In the present study, the pattern of major phenolic compounds in ten Drosera species belonging to seven different subgenera and/or sections of the genus was investigated for chemotaxonomic allocation. The composition of flavonoids...

journal_title：Phytochemistry

authors： Braunberger C,Zehl M,Conrad J,Wawrosch C,Strohbach J,Beifuss U,Krenn L

更新日期：2015-10-01 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：:Carotenoid biosynthesis was examined in a phylloplane yeast identified by ITS, 18S and 28S rDNA analysis as a Dioszegia sp. close to D. takashimae. In well-aerated flask or fermentor cultures, this strain produced essentially a single pigment confirmed as the xanthophyll plectaniaxanthin by NMR analysis, at concentrat...

journal_title：Phytochemistry

authors： Madhour A,Anke H,Mucci A,Davoli P,Weber RW

更新日期：2005-11-01 00:00:00

abstract：:The role played by molecules of the strigolactone family in stimulating the germination of seeds of parasitic weeds of the genera Striga, Orobanche and Alectra has never been clearly elucidated. The biogenesis of these unusual terpenoid lactones, originally identified in minute quantities in the root exudates of a sma...

journal_title：Phytochemistry

authors： Humphrey AJ,Beale MH

更新日期：2006-04-01 00:00:00

abstract：:Two new triterpenoid glycosides, quinovic acid-3 beta-O-beta-D- glucopyranosyl-(1-->4)-alpha-L-rhamnopyranoside and quinovic acid-3 beta-O-beta-D-glucopyranosyl-(1-->3)-beta-D-fucopyranoside (named rubelloside A and B, respectively), were isolated from roots of Adina rubella. Their structures were elucidated by spectr...

journal_title：Phytochemistry

authors： Fang SY,He ZS,Gao JH,Wang P

更新日期：1995-07-01 00:00:00

abstract：:Two biflavonoids namely, 2",3"-dihydroochnaflavone and 2",3"-dihydroochnaflavone 7"-O-methyl ether, and a flavonoid glycoside, 6-gamma,gamma-dimethylallyltaxifolin 7-O-beta-D-glucoside were isolated from the leaves of Ochna integerrima. ...

journal_title：Phytochemistry

authors： Likhitwitayawuid K,Rungserichai R,Ruangrungsi N,Phadungcharoen T

更新日期：2001-02-01 00:00:00

abstract：:Seven new biotransformation products were isolated from a jar fermentor culture of Eucalyptus perriniana following administration of (+)-camphor. The main product was (1S,4R,6S)-6-hydroxybornan-2-one 6-O-beta-D-glucopyranoside. The minor components were (1S,4R,6R)-6-hydroxybornan-2-one 6-O-beta-D-glucopyranoside, (1R,...

journal_title：Phytochemistry

authors： Orihara Y,Noguchi T,Furuya T

更新日期：1994-03-01 00:00:00