Xylogalacturonan exists in cell walls from various tissues of Arabidopsis thaliana.

abstract：:The essential oils isolated from leaves of ten and from unripe berries of eight populations of Laurus azorica (Seub.) Franco, collected on five islands of the Azorean archipelago, were analysed by GC and GC-MS. All oil samples were dominated by their monoterpene fraction (60-94%), alpha-pinene (15-37%) and 1,8-cineole...

journal_title：Phytochemistry

authors： Pedro LG,Santos PA,da Silva JA,Figueiredo AC,Barroso JG,Deans SG,Looman A,Scheffer JJ

更新日期：2001-05-01 00:00:00

abstract：:The flavonoid profiles of two monotypic genera, Teucridium and Tripora, have been studied by analytical methods. These genera were formerly placed in the Verbenaceae, but are now classified in the Lamiaceae, subfamily Ajugoideae. The major flavonoids of both genera were identified as glycosides of scutellarein 4'-meth...

journal_title：Phytochemistry

authors： Grayer RJ,Veitch NC,Kite GC,Paton AJ,Garnock-Jones PJ

更新日期：2002-08-01 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：:Genus Leucas with about 41 species found in India, is an Asian genus with separation from its close relatives in Africa based on phylogenetic evidence. Present study represents the only comprehensive phytochemical investigation on this genus. We have analyzed the seed fatty acid compositions of 26 species and five var...

journal_title：Phytochemistry

authors： Choudhary AK,Sunojkumar P,Mishra G

更新日期：2017-11-01 00:00:00

abstract：:The stem bark of Croton gratissimus (Euphorbiaceae) yielded four cembranolides, including the first reported example of a 2,12-cyclocembranolide, (+)-[1R*,2S*,7S*,8S*,12R*]-7,8-epoxy-2,12-cyclocembra-3E,10Z-dien-20,10-olide, whose structure was confirmed by means of single crystal X-ray analysis. This compound showed ...

journal_title：Phytochemistry

authors： Mulholland DA,Langat MK,Crouch NR,Coley HM,Mutambi EM,Nuzillard JM

更新日期：2010-08-01 00:00:00

abstract：:The distribution and biosynthesis of iridoid glucosides in the Oleaceae is reviewed and five distinct biosynthetic pathways to iridoids have been identified in the family, deoxyloganic acid apparently being a common intermediate. Likewise, the distributions of caffeoyl phenylethanoid glycosides (CPGs), i.e. verbascosi...

journal_title：Phytochemistry

authors： Jensen SR,Franzyk H,Wallander E

更新日期：2002-06-01 00:00:00

abstract：:The lipid extract of the temperate red alga Rhodymenia pertusa has yielded four eicosanoid metabolites, three of which are new natural products. Using principally NMR and MS techniques, their structures were deduced as 5R,6S-dihydroxy-7(E),9(E),11(Z),14(Z)-eicosatetraenoic acid (5R,6S-diHETE), 5R*,6S*-dihydroxy-7(E),9...

journal_title：Phytochemistry

authors： Jiang ZD,Ketchum SO,Gerwick WH

更新日期：2000-01-01 00:00:00

abstract：:Plant defensive serine proteinase inhibitors (PIs) are known to have negative impact on digestive physiology of herbivore insects and thus have a crucial role in plant protection. Here, we have assessed the efficacy and specificity of three previously characterized inhibitory repeat domain (IRD) variants from Capsicum...

journal_title：Phytochemistry

authors： Joshi RS,Gupta VS,Giri AP

更新日期：2014-05-01 00:00:00

abstract：:Procyanidins are plant secondary metabolites widely consumed and known to have various physiological functions, but their bioavailability and mechanism of action are still unclear especially for larger oligomers. One of the reasons is scarce information about the detailed structure of oligomeric procyanidins. As for a...

journal_title：Phytochemistry

authors： Nakashima S,Oda C,Masuda S,Tagashira M,Kanda T

更新日期：2012-11-01 00:00:00

abstract：:The bulbs of Ledebouria socialis (Hyacinthaceae) yielded the benzocyclobutene homoisoflavonoid, (R)-2',5-dihydroxy-3',4',7-trimethoxyspiro{2H-1-benzopyran-3-(4H)-9-bicyclo[4.2.0]octa[1,3,5]triene}-4-one, socialinone (1). Ledebouria ovatifolia yielded (2ε,3R)-2,5-dihydroxy-7-methoxyspiro[2H-1-benzopyran-3(4H), 5'(6'H)-...

journal_title：Phytochemistry

authors： Waller CP,Thumser AE,Langat MK,Crouch NR,Mulholland DA

更新日期：2013-11-01 00:00:00

abstract：:Two indole-alkaloid isoprenoids were isolated from extracts of Penicillium crustosum Thom grown on rice. Their structures were elucidated on the basis of various NMR experiments and by comparison to the structurally related penitrems. The two compounds, designated thomitrem A and thomitrem E, contain a 18(19)-double b...

journal_title：Phytochemistry

authors： Rundberget T,Wilkins AL

更新日期：2002-12-01 00:00:00

abstract：:An analytical strategy based on the sensitivity of electrospray tandem mass spectrometry following a simplified and reproducible sample preparation procedure was evaluated for the determination of Cd-induced phytochelatins (PC) and related peptides in four maize varieties. In addition to the three known families of PC...

journal_title：Phytochemistry

authors： Chassaigne H,Vacchina V,Kutchan TM,Zenk MH

更新日期：2001-04-01 00:00:00

abstract：:Eight lignan derivatives trilobatin D-K, as well as jamesopyrone were isolated from the liverwort Bazzania trilobata. Their structures have been elucidated based on extensive NMR spectral evidence. ...

journal_title：Phytochemistry

authors： Scher JM,Zapp J,Becker H

更新日期：2003-03-01 00:00:00

abstract：:Putrescine N-methyltransferase (PMT) catalyses S-adenosylmethionine (SAM) dependent methylation of the diamine putrescine. The product N-methylputrescine is the first specific metabolite on the route to nicotine, tropane, and nortropane alkaloids. PMT cDNA sequences were cloned from tobacco species and other Solanacea...

journal_title：Phytochemistry

authors： Biastoff S,Brandt W,Dräger B

更新日期：2009-10-01 00:00:00

abstract：:Phenylacetic acid derivatives, methyl 2-acetyl-3,5-dihydroxyphenylacetate (1) and methyl 2-acetyl-5-hydroxy-3-methoxyphenylacetate (3); curvulin or ethyl 2-acetyl-3,5-dihydroxyphenylacetate (4), a known metabolite of Curvularia siddiqui, and 4-epiradicinol (5) have been isolated from the culture mycelia of Curvularia ...

journal_title：Phytochemistry

authors： Varma GB,Fatope MO,Marwah RG,Deadman ME,Al-Rawahi FK

更新日期：2006-09-01 00:00:00

abstract：:C6-aldehydes, such as (Z)-3-hexenal, (E)-2-hexenal, and n-hexanal, are volatile compounds formed by hydroperoxide lyase (HPL) and found in most terrestrial plants. They are fungicidal and bactericidal compounds, and are also signaling compounds to induce defense responses in plants. Transgenic plants having overexpres...

journal_title：Phytochemistry

authors： Kishimoto K,Matsui K,Ozawa R,Takabayashi J

更新日期：2008-08-01 00:00:00

abstract：:An activity-guided separation for inhibitors of rat platelet 12-lipoxygenase led to the isolation of two compounds, 4-O-feruloyl-5-O-caffeoylquinic acid (IC50; 5.5 microM) and methyl 4-O-feruloyl-5-O-caffeoylquinate (IC50; 1.9 microM) from the peel of Ponkan fruit (Citrus reticulata). The complete structure of each ph...

journal_title：Phytochemistry

authors： Nogata Y,Sekiya K,Ohta H,Kusumoto K,Ishizu T

更新日期：2001-04-01 00:00:00

abstract：:Bradyrhizobium japonicum bacteroids isolated from root nodules of soybean (Glycine max.) plants converted the gibberellin (GA) precursor [(14)C1]GA12 into several products identified by combined gas chromatography-mass spectrometry as [(14)C1]GA24, [(14)C1]GA9, [(14)C1]GA15, GA9 17-nor-16-one and unidentified products...

journal_title：Phytochemistry

authors： Méndez C,Baginsky C,Hedden P,Gong F,Carú M,Rojas MC

更新日期：2014-02-01 00:00:00

abstract：:Allelopathy is the chemical mediated communication among plants. While on one hand there is growing interest in the field, on the other hand it is still debated as doubts exist at different levels. A number of compounds have been reported for their ability to influence plant growth, but the existence of this phenomeno...

journal_title：Phytochemistry

authors： Scognamiglio M,Fiumano V,D'Abrosca B,Esposito A,Choi YH,Verpoorte R,Fiorentino A

更新日期：2014-10-01 00:00:00

abstract：:Anthocyanins are naturally occurring flavonoids derived from the phenylpropanoid pathway. There is increasing evidence of the preventative and protective roles of anthocyanins against a broad range of pathologies, including different cancer types and metabolic diseases. However, most of the fresh produce available to ...

journal_title：Phytochemistry

authors： Chaves-Silva S,Santos ALD,Chalfun-Júnior A,Zhao J,Peres LEP,Benedito VA

更新日期：2018-09-01 00:00:00

abstract：:In its natural environment, the plant cuticle, which is composed of the biopolymer cutin and a mixture of surface and embedded cuticular waxes, experiences a wide variety of temperatures and hydration states. Consequently, a complete understanding of cuticular function requires study of its thermal and mechanical prop...

journal_title：Phytochemistry

authors： Stark RE,Yan B,Stanley-Fernandez SM,Chen ZJ,Garbow JR

更新日期：2008-11-01 00:00:00

abstract：:Several glycosides were isolated, as polyacetates, from the n-BuOH fraction of the Tinospora cordifolia stems. The structures of three new norditerpene furan glycosides cordifoliside A, B and C have been established by 1D and 2D NMR spectroscopy. ...

journal_title：Phytochemistry

authors： Gangan VD,Pradhan P,Sipahimalani AT,Banerji A

更新日期：1994-10-01 00:00:00

abstract：:Germacrene D is considered as a precursor of many sesquiterpene hydrocarbons. We have investigated the acid catalyzed as well as the photochemically and thermally induced rearrangement processes of germacrene D isolated from several Solidago species, which contain both enantiomers of germacrene D. Enantiomeric mixture...

journal_title：Phytochemistry

authors： Bülow N,Konig WA

更新日期：2000-09-01 00:00:00

abstract：:Anti-inflammatory activity guided fractionation of the n-hexane soluble fraction of a 70% aqueous methanolic extract of the dried fruits of Forsythia suspensa afforded two new triterpenes. The structures of these compounds were elucidated as 3beta-acetyl-20,25-epoxydammarane-24alpha-ol (1) and 3beta-acetyl-20,25-epoxy...

journal_title：Phytochemistry

authors： Rouf AS,Ozaki Y,Rashid MA,Rui J

更新日期：2001-04-01 00:00:00

abstract：:From the water soluble fraction of the dried fruits of Alangium lamrckii, four tetrahydroisoquinoline-monoterpene glycosides, 6-O-methyl-N-deacetylisoipecosidic acid, 7-O-methyl-N-deacetylisoipecosidic acid, 6,7-di-O-methyl-N-deacetylisoipecosidic acid and 6"-O-alpha-D-glucopyranosyl-6-O-methyl-N-deacetylisoipecosidic...

journal_title：Phytochemistry

authors： Itoh A,Tanahashi T,Tabata M,Shikata M,Kakite M,Nagai M,Nagakura N

更新日期：2001-03-01 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：: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：: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：:Six previously undescribed tropane alkaloids, designated as erythrobezerrines A-F, were isolated from the EtOH extract from the stem bark of Erythroxylum bezerrae Plowman. Their structures were elucidated based on the interpretation of the NMR and MS data and in some instances, confirmed by X-ray diffraction analysis....

journal_title：Phytochemistry

authors： Brito LSO,Pinto FDCL,de Filho MOM,Rocha DD,Mendoza MFM,Ayala AP,Bezerra BP,Loiola MIB,Canuto KM,Silveira ER,Pessoa ODL

更新日期：2020-10-01 00:00:00

abstract：:Crotaoprostrin, a chalcone not yet known as a plant constituent, was isolated from the aerial parts of the Indian medicinal plant Crotalaria prostrata. The structures of the chalcone polyarvin and the partially hydrogenated naturally occurring derivatives crotaramin, crotaramosmin, and crotin were confirmed by chemica...

journal_title：Phytochemistry

authors： Krohn K,Steingröver K,Srinivasa Rao M

更新日期：2002-12-01 00:00:00