A-type proanthocyanidin antioxidant from Dioclea lasiophylla.

abstract：:Using a bioassay for inhibition of plant growth and a combination of two countercurrent chromatographies: rotation locular countercurrent chromatography and droplet countercurrent chromatography, two biologically active glycosidal alkaloids, solasonine and solamargine were isolated from fresh ripe fruit of Solanum inc...

journal_title：Phytochemistry

authors： Fukuhara K,Kubo I

更新日期：1991-01-01 00:00:00

abstract：:The genus Verbascum L. (mulleins) comprises of about 360 species of flowering plants in the Scrophulariaceae family. Mulleins have been used in the traditional folk medicine for centuries, for treatment of a wide range of human ailments, inter alia bronchitis, tuberculosis, asthma, and different inflammations. Despite...

journal_title：Phytochemistry

authors： Georgiev MI,Ali K,Alipieva K,Verpoorte R,Choi YH

更新日期：2011-11-01 00:00:00

abstract：:A bioassay-guided fractionation of Agave offoyana leaves led to the isolation of five steroidal saponins (1-5) along with six known saponins (6-11). The compounds were identified as (25R)-spirost-5-en-2α,3β-diol-12-one 3-O-{α-l-rhamnopyranosyl-(1→3)-O-β-d-glucopyranosyl-(1→2)-O-[β-d-xylopyranosyl-(1→3)]-O-β-d-glucopyr...

journal_title：Phytochemistry

authors： Pérez AJ,Simonet AM,Calle JM,Pecio Ł,Guerra JO,Stochmal A,Macías FA

更新日期：2014-09-01 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：:Five cucurbitacins, kuguacins A-E (1-5), together with three known analogues, 3beta,7beta,25-trihydroxycucurbita-5,(23E)-diene-19-al (6), 3beta,25-dihydroxy-5beta,19-epoxycucurbita-6,(23E)-diene (7), and momordicine I (8), were isolated from roots of Momordica charantia. Structures of 1-5 were elucidated by NMR and MS...

journal_title：Phytochemistry

authors： Chen J,Tian R,Qiu M,Lu L,Zheng Y,Zhang Z

更新日期：2008-02-01 00:00:00

abstract：:Seventeen undescribed heterodimers of meroterpene phenol, psocorylins A-Q, were isolated from the fruits of Psoralea corylifolia. Their another monomeric unit derived from flavonone, chalcone, coumarin and isoflavone, respectively. Psocorylins A-E were rare natural spiroketals with the skeleton of 1,4,8-trioxaspiro[4....

journal_title：Phytochemistry

authors： Xu QX,Zhang YB,Liu XY,Xu W,Yang XW

更新日期：2020-08-01 00:00:00

abstract：:Two saponins and a sapogenin were isolated from the leaves of Ilex brevicuspis. Their structures were established by means of spectroscopic methods as brevicuspisaponin 1 (3-O-alpha-L-arabinopyranosyl-20(S)-19 alpha,24-dihydroxyursolic acid), brevicuspisaponin 2 (3-O-alpha-L-arabinopyranosyl-20(S)-19 alpha,23,24-trihy...

journal_title：Phytochemistry

authors： Taketa AT,Schmittmann-Schlager T,Guillaume D,Gosmann G,Schenkel EP

更新日期：2000-04-01 00:00:00

abstract：:Ternary complexes consisting of a R2R3-MYB, a bHLH and a WD40 protein (MBW complexes) regulate trichome formation and anthocyanin synthesis in plants. Small R3-MYBs interact with the MBW complexes to exert a negative feedback, and thereby participate in regulation of epidermal cell fate, for example trichome numbers a...

journal_title：Phytochemistry

authors： Nemie-Feyissa D,Olafsdottir SM,Heidari B,Lillo C

更新日期：2014-02-01 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：: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：: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：:Grapevine cv. Tempranillo fruit-bearing cuttings were exposed to supplemental ultraviolet-B (UV-B) radiation under controlled conditions, in order to study its effect on grape traits, ripening, amino acids and flavonoid profile. The plants were exposed to two doses of UV-B biologically effective (5.98 and 9.66kJm(-2)d...

journal_title：Phytochemistry

authors： Martínez-Lüscher J,Torres N,Hilbert G,Richard T,Sánchez-Díaz M,Delrot S,Aguirreolea J,Pascual I,Gomès E

更新日期：2014-06-01 00:00:00

abstract：:Four undescribed 23,24-O-isopropylidene-19(18 → 17)-abeo-28-noroleanane-derived spirocyclic triterpenoids and an undescribed 28-noroleanane-derived spirocyclic triterpenoid, together with five known 28-noroleanane-derived spirocyclic triterpenoids, were isolated and identified. In addition, three undescribed iridoid g...

journal_title：Phytochemistry

authors： Le DD,Nguyen DH,Zhao BT,Kim JA,Kim SK,Min BS,Choi JS,Woo MH

更新日期：2018-09-01 00:00:00

abstract：:The dicarboxylic acid malate has long been thought to play important roles in plant physiology. In addition to being a major photosynthate in C4 and CAM plants and an intermediate of the tricarboxylic acid cycle it has been proposed to play essential roles in pH regulation and important roles in pathogen response, as ...

journal_title：Phytochemistry

authors： Fernie AR,Martinoia E

更新日期：2009-05-01 00:00:00

abstract：:Three undescribed dammarane-type saponins, russelliinosides A-C, together with a common sterol (β-sitosterol), an abietane diterpenoid (18-hydroxyferruginol), two oleane triterpenoids (daturaolone and oleanolic acid), an ursane triterpenoid (ursolic acid) as well as three 5-hydroxyflavones (cirsimaritin, eupatorin, an...

journal_title：Phytochemistry

authors： Hafez Ghoran S,Firuzi O,Asadollahi M,Stuppner H,Alilou M,Jassbi AR

更新日期：2021-01-29 00:00:00

abstract：:Contemporary glycobiology reflects the intense interest in glycoproteins and their biological roles. Addition of saccharides by N- or O-glycosylation is precise rather than random and forms a uniquely interactive molecular surface. We designate these well conserved glycomotifs as glycomodules to emphasize their functi...

journal_title：Phytochemistry

authors： Kieliszewski MJ

更新日期：2001-06-01 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：:A new triterpenoid saponin, 3-O-[beta-D-glucopyranosyl(1----4)-beta-D- xylopyranosyl]-28-O-beta-D-glucopyranosyl-30-methyloleanate-9(11), 12-dien- 2,3,23-trihydroxyl-28-oic acid, was isolated from the roots of Phytolacca esculenta. The structure was assigned by chemical methods and spectral analysis (1H, 13C, DEPT NMR...

journal_title：Phytochemistry

authors： Yi YH

更新日期：1992-07-01 00:00:00

abstract：:Four meroterpenoids, 1-hydroxychevalone C, 1-acetoxychevalone C, 1,11-dihydroxychevalone C, and 11-hydroxychevalone C and two ester epimers, 2S,4S-spinosate and 2S,4R-spinosate, together with seven known compounds, chevalones B, C, and E, tryptoquivaline, nortryptoquivaline, tryptoquivaline L, and quinadoline A were i...

journal_title：Phytochemistry

authors： Rajachan OA,Kanokmedhakul K,Sanmanoch W,Boonlue S,Hannongbua S,Saparpakorn P,Kanokmedhakul S

更新日期：2016-12-01 00:00:00

abstract：:A study of wheat (Triticum aestivum L.) leaves phenolome was carried out during cold acclimation of the winter (Claire) and spring (Bounty) varieties using a combination of HPLC-ESI-MS techniques. A total of 40 phenolic and flavonoid compounds were identified, and consisted mainly of two coumarin derivatives, eight si...

journal_title：Phytochemistry

authors： Moheb A,Ibrahim RK,Roy R,Sarhan F

更新日期：2011-12-01 00:00:00

abstract：:The widespread secondary metabolite usnic acid, a dibenzofuran derivative, is the principal acetone-soluble compound in the lichen Flavocetraria nivalis. Seasonal variation in concentrations were studied in four populations of this lichen, three from Arctic-alpine habitats in the Northern Hemisphere, and one from Pata...

journal_title：Phytochemistry

authors： Bjerke JW,Elvebakk A,Domínguez E,Dahlback A

更新日期：2005-02-01 00:00:00

abstract：:Plant cell suspension cultures of Rauvolfia are able to produce a high amount of arbutin by glucosylation of exogenously added hydroquinone. A four step purification procedure using anion exchange, hydrophobic interaction, hydroxyapatite-chromatography and chromatofocusing delivered in a yield of 0.5%, an approximatel...

journal_title：Phytochemistry

authors： Arend J,Warzecha H,Stöckigt J

更新日期：2000-01-01 00:00:00

abstract：:Two furanoditerpenoid lactones, were isolated from the seeds of Caesalpinia minax Hance. Their structures and stereochemistry have been established by spectral data and single crystal X-ray analysis. ...

journal_title：Phytochemistry

authors： Jiang RW,But PP,Ma SC,Mak TC

更新日期：2001-06-01 00:00:00

abstract：:Microbial transformation of psiadiarabin and its 6-desmethoxy analogue 5,3' dihydroxy-7,2',4'5'-tetramethoxyflavone by Cunninghamella elegans NRRL 1392 gave the 3'-glucoside conjugates of the two flavones. Structural elucidation of these two new metabolites was achieved using 1D and 2D NMR spectroscopy and CIMS. ...

journal_title：Phytochemistry

authors： Ibrahim AR,Galal AM,Mossa JS,el-Feraly FS

更新日期：1997-12-01 00:00:00

abstract：:6,8-Dimethoxy-3-(2'-oxo-propyl)-coumarin (1) and 2,4-dihydroxy-6-[(1'E,3'E)-penta-1',3'-dienyl]-benzaldehyde (2), in addition to the known compound periconicin B (3), were isolated from the ethyl acetate extract of Periconia atropurpurea, an endophytic fungus obtained from the leaves of Xylopia aromatica, a native pla...

journal_title：Phytochemistry

authors： Teles HL,Sordi R,Silva GH,Castro-Gamboa I,Bolzani Vda S,Pfenning LH,de Abreu LM,Costa-Neto CM,Young MC,Araújo AR

更新日期：2006-12-01 00:00:00

abstract：:We investigated impacts of early and mild biotic stress on Biogenic Volatile Organic Compounds (BVOC) emissions from tomato in order to test their potential for early (biotic) stress detection. Tomato plants were exposed to two common fungal pathogens, Botrytis cinerea and Oidium neolycopesici and the sap-sucking aphi...

journal_title：Phytochemistry

authors： Kasal-Slavik T,Eschweiler J,Kleist E,Mumm R,Goldbach HE,Schouten A,Wildt J

更新日期：2017-12-01 00:00:00

abstract：:The methanolic extract from the flower buds of Prunus mume, cultivated in Zhejiang Province, China, showed an inhibitory effect on melanogenesis in theophylline-stimulated B16 melanoma 4A5 cells. From the methanolic extract, five acylated sucroses, mumeoses A-E, and three acylated quinic acid analogs, 5-O-(E)-p-coumar...

journal_title：Phytochemistry

authors： Nakamura S,Fujimoto K,Matsumoto T,Nakashima S,Ohta T,Ogawa K,Matsuda H,Yoshikawa M

更新日期：2013-08-01 00:00:00

abstract：:The CH(2)Cl(2) extract of dried leaves of Helianthus annuus L. cv. Peredovick(R) has yielded, in addition to the known sesquiterpene lactones annuolide E and leptocarpin, and the sesquiterpenes heliannuols A, C, D, F, G, H, I, the new bisnorsesquiterpene, annuionone E, and the new sesquiterpenes heliannuol L, helibisa...

journal_title：Phytochemistry

authors： Macías FA,Torres A,Galindo JL,Varela RM,Alvarez JA,Molinillo JM

更新日期：2002-11-01 00:00:00

abstract：:Two new abietane-type diterpenoid o-quinones, 7beta-methoxyabieta-8,13-diene-11,12-dione-(20,6beta)-olide (rosmaquinone A) (1) and 7alpha-methoxyabieta-8,13-diene-11,12-dione-(20,6beta)-olide (rosmaquinone B) (2), together with six known compounds were isolated from the aerial parts of Rosmarinus officinalis L. The st...

journal_title：Phytochemistry

authors： Mahmoud AA,Al-Shihry SS,Son BW

更新日期：2005-07-01 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