abstract：:The sesquineolignans, saucerneol D and saucerneol E were isolated from the roots of Saururus chinensis together with four known lignans, manassantin A, manassantin B, (-)-saucerneol methyl ether, and (+)-saucernetin. Structure elucidation was based on the analysis of spectroscopic data and anti-inflammatory activity w...

journal_title：Phytochemistry

authors： Hwang BY,Lee JH,Nam JB,Hong YS,Lee JJ

更新日期：2003-10-01 00:00:00

abstract：:The seeds of 36 pigeonpea [Cajanus cajan (L) Millsp.] cultivars, resistant and susceptible to pests and pathogens and 17 of its wild relatives were analysed for inhibitors of trypsin, chymotrypsin, and insect gut proteinases to identify potential inhibitors of insect (Helicoverpa armigera) gut enzymes. Proteinase inhi...

journal_title：Phytochemistry

authors： Chougule NP,Hivrale VK,Chhabda PJ,Giri AP,Kachole MS

更新日期：2003-10-01 00:00:00

abstract：:Acid hydrolysis of cell wall-rich material from thalli of the hornwort Anthoceros caucasicus yielded substantial amounts of an unusual disaccharide (1). Hydrolysis of 1 yielded only GlcA, Gal and unhydrolysed 1. Compound 1 was identified as alpha-D-GlcpA-(1-->3)-L-Gal by 1H and 13C NMR spectroscopic analysis and by th...

journal_title：Phytochemistry

authors： Popper ZA,Sadler IH,Fry SC

更新日期：2003-09-01 00:00:00

abstract：:[(3)H](+)-delta-Cadinene and its 8-hydroxy derivative, prepared from (1RS)-[1-(3)H]FPP by the action of one and two recombinant enzymes, respectively, were infiltrated into cotyledons of bacterial blight-resistant cotton plants as they biosynthesized sesquiterpene phytoalexins in response to infection by Xanthomonas c...

journal_title：Phytochemistry

authors： Wang YH,Davila-Huerta G,Essenberg M

更新日期：2003-09-01 00:00:00

abstract：:Two polyphenol oxidase isoforms with distinct expression patterns were identified in hybrid poplar (Populus trichocarpaxP. deltoides). PPO-1, corresponding to the previously cloned PtdPPO (Constabel et al., Plant Physiol. 124: 285-295) was primarily leaf tissue-specific and detected only after wounding. PPO-2 was expr...

journal_title：Phytochemistry

authors： Wang J,Constabel CP

更新日期：2003-09-01 00:00:00

abstract：:Four p-terphenyl derivatives named curtisians E-H (1-4) were isolated from the methanolic extract of fruit bodies of the Basidiomycete Paxillus curtisii by a combination of Sephadex LH-20, silica gel column chromatography and preparative reversed phase HPLC. The relative stereochemistries of the curtisians were elucid...

journal_title：Phytochemistry

authors： Quang DN,Hashimoto T,Nukada M,Yamamoto I,Tanaka M,Asakawa Y

更新日期：2003-09-01 00:00:00

abstract：:Three acylated flavonol glycosides have been identified from leaves of Planchonia grandis Ridley. They possess kaempferol as aglycone and two triglycosidic chains substituting hydroxyl groups at the 3- and 7-positions. The first glycosidic unit of each chain is esterified by a cis or trans p-coumaric acid. Structural ...

journal_title：Phytochemistry

authors： Crublet ML,Long C,Sévenet T,Hadi HA,Lavaud C

更新日期：2003-09-01 00:00:00

abstract：:From the water-soluble part of an extract of Aragoa cundinamarcensis were isolated seven iridoid glucosides, namely aucubin, catalpol, rehmannioside D, globularin, gardoside methyl ester, epiloganin and mussaenoside. The main glycoside isolated, however, was a new caffeoyl phenylethanoid triglycoside, named aragoside,...

journal_title：Phytochemistry

authors： Rønsted N,Bello MA,Jensen SR

更新日期：2003-09-01 00:00:00

abstract：:Petunia hybrida and Citrus paradisi have significantly different flavonoid accumulation patterns. Petunia sp. tend to accumulate flavonol glycosides and anthocyanins while Citrus paradisi is known for its accumulation of flavanone diglycosides. One possible point of regulation of flavanone metabolism is flavanone 3-hy...

journal_title：Phytochemistry

authors： Pelt JL,Downes WA,Schoborg RV,McIntosh CA

更新日期：2003-09-01 00:00:00

abstract：:Two new flavanoids, 5,7-dimethoxy-3',4'-methylenedioxyflavanone and isobonducellin along with 2'-hydroxy-2,3,4',6'-tetramethoxychalcone, 5,7-dimethoxyflavone and bonducellin were isolated from the aerial parts of Caesalpinia pulcherrima. The structures of the compounds were settled mainly by interpretation of their 1D...

journal_title：Phytochemistry

authors： Srinivas KV,Koteswara Rao Y,Mahender I,Das B,Rama Krishna KV,Hara Kishore K,Murty US

更新日期：2003-08-01 00:00:00

abstract：:A lignan diglycoside, (-)-isolariciresinol 3alpha-O-beta-apiofuranosyl-(1-->2)-O-beta-glucopyranoside, and a megastigmane glucoside, sauroposide, were isolated from the aerial part of Sauropus androgynus together with (+)-isolariciresinol 3alpha-O-beta-glucopyranoside, (-)-isolariciresinol 3alpha-O-beta-glucopyranosid...

journal_title：Phytochemistry

authors： Kanchanapoom T,Chumsri P,Kasai R,Otsuka H,Yamasaki K

更新日期：2003-08-01 00:00:00

abstract：:Five p-terphenyl derivatives named thelephantins D-H (1-5) together with nine known compounds, thelephantins A-C (6-8), ganbajunin E (9), p-hydroxylbenzoic acid (10), ganbajunin C (11), thelephorin A (12), 2-O-methylatromentin (13) and atromentin (14), were isolated from the methanolic extract of fruit bodies of the T...

journal_title：Phytochemistry

authors： Ngoc Quang D,Hashimoto T,Hitaka Y,Tanaka M,Nukada M,Yamamoto I,Asakawa Y

更新日期：2003-08-01 00:00:00

abstract：:The structure of a diterpenoid, designated salvigresin, that was isolated from the aerial parts of Salvia greggii, has been confirmed by spectroscopic investigation and X-ray analysis. ...

journal_title：Phytochemistry

authors： Kawahara N,Inoue M,Kawai Ki,Sekita S,Satake M,Goda Y

更新日期：2003-08-01 00:00:00

abstract：:The accumulation of soluble and wall-bound phenolics and phenolic polymers in Musa acuminata roots exposed to cell wall-derived elicitor from the pathogen, Fusarium oxysporum, f.sp. cubense, race four, was investigated. The root tissue from the banana cultivar "Goldfinger" was found to respond strongly and rapidly tow...

journal_title：Phytochemistry

authors： de Ascensao AR,Dubery IA

更新日期：2003-07-01 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：: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：:The concentration of 7-methyljuglone was studied in the round-leaved sundew Drosera rotundifolia L. collected from different regions in Northern Finland. Samples for analysis were collected from peat bogs and sandpit habitats. The mean concentration of 7-methyljuglone varied from 1.0 to 2.3% of dry weight. Variation b...

journal_title：Phytochemistry

authors： Kämäräinen T,Uusitalo J,Jalonen J,Laine K,Hohtola A

更新日期：2003-06-01 00:00:00

abstract：:The bark of Garcinia merguensis yielded 10 xanthones, merguenone, 1,5-dihydroxy-6'-methyl-6'-(4-methyl-3-pentenyl)-pyrano(2',3':3,2)-xanthone, subelliptenone H, 8-deoxygartanin, rheediaxanthone A, morusignin G, 6-deoxyjacareubin, 1,3,5-trihydroxy-4,8-di(3-methylbut-2-enyl)-xanthone, rheediachromenoxanthone and 6-deoxy...

journal_title：Phytochemistry

authors： Nguyen LH,Vo HT,Pham HD,Connolly JD,Harrison LJ

更新日期：2003-06-01 00:00:00

abstract：:From the aerial parts of Clerodendrum inerme, two new sterols (4alpha-methyl-24beta-ethyl-5alpha-cholesta-14, 25-dien-3beta-ol and 24beta-ethylcholesta-5, 9(11), 22E-trien-3beta-ol) and a new aliphatic ketone (11-pentacosanone) were isolated together with another known aliphatic ketone (6-nonacosanone) and a diterpene...

journal_title：Phytochemistry

authors： Pandey R,Verma RK,Singh SC,Gupta MM

更新日期：2003-06-01 00:00:00

abstract：:Glucosinolate content of leaves and roots, diversity in leaf pubescence, and resistance to two near-isogenic lines of the flea beetle Phyllotreta nemorum with or without an R-gene, were determined for 27 accessions of 7 Barbarea taxa, i.e. B. stricta, B. orthoceras, B. intermedia, B. verna, B. vulgaris var. vulgaris, ...

journal_title：Phytochemistry

authors： Agerbirk N,Ørgaard M,Nielsen JK

更新日期：2003-05-01 00:00:00

abstract：:The paper describes the amino acid sequence of a 26 kDa basic subunit of 13S globulin of common buckwheat (Fagopyrum esculentum Moench). The protein has 93 and 75% sequence homology with 11S globulin of Coffea arabica and beta subunit of 11S globulin of Cucurbita pepo respectively. The subunit has the "globally conser...

journal_title：Phytochemistry

authors： Bharali S,Chrungoo NK

更新日期：2003-05-01 00:00:00

abstract：:The dichloromethane extract from leaves of Dictyoloma vandellianum afforded five alkaloids 2-(14'-hydroxy-14',15'-dimethylhexadecanyl)-4-quinolone, 2-(12'-hydroxy-12'-methyltridecanyl)-3-methoxy-4-quinolone, 2-(12'-hydroxy-12'-methyltridecanyl)-4-quinolone, 2-(14'-hydroxy-14',15'-dimethylhexadecanyl)-3-methoxy-4-quino...

journal_title：Phytochemistry

authors： Sartor CF,da Silva MF,Fernandes JB,Vieira PC,Fo ER,Garcia Cortez DA

更新日期：2003-05-01 00:00:00

abstract：:Phytochemical investigation of the roots and aerial parts of Andrographis paniculata Nees yielded a new flavone, 5-hydroxy-7,2',6'-trimethoxyflavone and an unusual 23-carbon terpenoid, 14-deoxy-15-isopropylidene-11,12-didehydroandrographolide together with five known flavonoids and four known diterpenoids. The structu...

journal_title：Phytochemistry

authors： Reddy MK,Reddy MV,Gunasekar D,Murthy MM,Caux C,Bodo B

更新日期：2003-04-01 00:00:00

abstract：:Two bromophenols, together with three known compounds, were isolated from the methanolic extract of the marine alga, Rhodomela confervoides. By means of MS and NMR spectroscopic analyses, they were identified as 3-bromo-4-[2,3-dibromo-4,5-dihydroxyphenyl] methyl-5-(hydroxymethyl) 1,2-benzenediol (1) and 3-bromo-4-[2,3...

journal_title：Phytochemistry

authors： Xu N,Fan X,Yan X,Li X,Niu R,Tseng CK

更新日期：2003-04-01 00:00:00

abstract：:Dried mosses (five moss species) were progressively extracted and subjected to a four-step Craig distribution. Seven pure flavonoids were isolated and identified. The flavonoids were the flavones apigenin, apigenin-7-O-triglycoside, lucenin-2, luteolin-7-O-neohesperidoside, saponarine and vitexin; and the biflavonoid ...

journal_title：Phytochemistry

authors： Basile A,Sorbo S,López-Sáez JA,Castaldo Cobianchi R

更新日期：2003-04-01 00:00:00

abstract：:The essential oil of Salvia stenophylla contains (+)-3-carene as the principal monoterpene component. Using an enriched cDNA library prepared from mRNA isolated from S. stenophylla peltate glandular trichomes, and a homology-based cloning strategy, a full-length cDNA was isolated that encoded a preprotein of 69.7 kDa ...

journal_title：Phytochemistry

authors： Hoelscher DJ,Williams DC,Wildung MR,Croteau R

更新日期：2003-04-01 00:00:00

abstract：:A method for the global analysis of yeast intracellular metabolites, based on electrospray mass spectrometry (ES-MS), has been developed. This has involved the optimization of methods for quenching metabolism in Saccharomyces cerevisiae and extracting the metabolites for analysis by positive-ion electrospray mass spec...

journal_title：Phytochemistry

authors： Castrillo JI,Hayes A,Mohammed S,Gaskell SJ,Oliver SG

更新日期：2003-03-01 00:00:00

abstract：:Metabolomics or the large-scale phytochemical analysis of plants is reviewed in relation to functional genomics and systems biology. A historical account of the introduction and evolution of metabolite profiling into today's modern comprehensive metabolomics approach is provided. Many of the technologies used in metab...

journal_title：Phytochemistry

authors： Sumner LW,Mendes P,Dixon RA

更新日期：2003-03-01 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：:Individual leaves of the three most common chemotypes of Melaleuca alternifolia were examined both quantitatively and qualitatively for volatile constituents from the emergence of the first true leaves, through to 6-week-old tenth leaf set material. The 1,8-cineole and terpinolene chemotypes were investigated and comp...

journal_title：Phytochemistry

authors： Russell MF,Southwell IA

更新日期：2003-03-01 00:00:00

abstract：:Two polyacetylene glycosides, lobetyol 9-O-glc(6)-(1)rha (pratialin-A) and lobetyol 9-O-glc(6)-(1)glc(6)-(1)glc (pratialin-B), were isolated from Pratia nummularia (Campanulaceae) callus and hairy root cultures and their chemical structures were determined by analysis of spectroscopic data. From the methanol extract o...

journal_title：Phytochemistry

authors： Ishimaru K,Osabe M,Yan L,Fujioka T,Mihashi K,Tanaka N

更新日期：2003-02-01 00:00:00

abstract：:Chemical examination of the ethyl acetate solubles of the CH(3)OH:CH(2)Cl(2) (1:1) extract of the roots of Excoecaria agallocha L. collected from Godavary estuary resulted in the isolation of three more new diterpenoids, agallochins M-O (1-3). The structures of the new diterpenoids were elucidated by a study of their ...

journal_title：Phytochemistry

authors： Anjaneyulu AS,Rao VL

更新日期：2003-02-01 00:00:00

abstract：:The glucosinolate content of various organs of the model plant Arabidopsis thaliana (L.) Heynh., Columbia (Col-0) ecotype, was analyzed at different stages during its life cycle. Significant differences were noted among organs in both glucosinolate concentration and composition. Dormant and germinating seeds had the h...

journal_title：Phytochemistry

authors： Brown PD,Tokuhisa JG,Reichelt M,Gershenzon J

更新日期：2003-02-01 00:00:00

abstract：:Benzoxazinoids are secondary metabolites of grasses that function as natural pesticides. While many steps of DIMBOA biosynthesis have been elucidated, the mechanism of the introduction of OCH(3)-group at the C-7 position was unknown. Inhibitor experiments in Triticum aestivum and Zea mays suggest that a 2-oxoglutarate...

journal_title：Phytochemistry

authors： Frey M,Huber K,Park WJ,Sicker D,Lindberg P,Meeley RB,Simmons CR,Yalpani N,Gierl A

更新日期：2003-02-01 00:00:00

abstract：:Acylamidohydrolases from higher plants have not been characterized or cloned so far. AtAMI1 is the first member of this enzyme family from a higher plant and was identified in the genome of Arabidopsis thaliana based on sequence homology with the catalytic-domain sequence of bacterial acylamidohydrolases, particularly...

journal_title：Phytochemistry

authors： Pollmann S,Neu D,Weiler EW

更新日期：2003-02-01 00:00:00

abstract：:Ten flavonoid compounds were isolated from the dried leaves of Polygonum hydropiper L. (Laksa leaves), and identified as 3-O-alpha-L-rhamnopyranosyloxy-3',4',5,7-tetrahydroxyflavone; 3-O-beta-D-glucopyranosyloxy-4',5,7-trihydroxyflavone; 6-hydroxyapigenin; 6"-O-(3,4,5-trihydroxybenzoyl) 3-O-beta-D-glucopyranosyloxy-3'...

journal_title：Phytochemistry

authors： Peng ZF,Strack D,Baumert A,Subramaniam R,Goh NK,Chia TF,Tan SN,Chia LS

更新日期：2003-01-01 00:00:00

abstract：:Botrytis cinerea (strain AM235) was used to investigate the transformations of testosterone and related steroids. It was found that the position and stereochemistry of the introduced hydroxyl group, as well as the yield of products, depended on the structure of the substrate. Botrytis cinerea converts the examined sub...

journal_title：Phytochemistry

authors： Huszcza E,Dmochowska-Gładysz J

更新日期：2003-01-01 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：:A lateral bud growth inhibitor was isolated from etiolated pea seedlings and identified as indole-3-aldehyde. The indole-3-aldehyde content was significantly higher in the diffusates from explants with apical bud and indole-3-acetic acid treated decapitated explants, in which apical dominance is maintained, than in th...

journal_title：Phytochemistry

authors： Nakajima E,Nakano H,Yamada K,Shigemori H,Hasegawa K

更新日期：2002-12-01 00:00:00

abstract：:Three-day-old soybean (Glycine max) seedlings were exposed to 0.4 M sorbitol solution for 4 h to induce amidinotransferase activity, with the corresponding enzyme being purified to homogeneity by chromatographic separation on DEAE-Sephacel, Sephacryl S-300 and L-arginine Sepharose 4B. The purified enzyme used L-argini...

journal_title：Phytochemistry

authors： Lee GT,Kim WJ,Cho YD

更新日期：2002-12-01 00:00:00