Biologically active compounds and pharmacological activities of species of the genus Crocus: A review.

abstract：:Haplophyllum buxbaumii has yielded a new diphyllin glycoside, which was characterized as 4-O-{bis-alpha-L-xylopyranosyl (1-->2, 1-->5) beta-D-apiofuranosyloxy}-6,7-dimethoxy-1-(3,4-methylenedioxyphenyl)-3-hydroxymethyl naphthalene-2-carboxylic acid lactone. Taiwanin-H is also reported for the first time from a member ...

journal_title：Phytochemistry

authors： Al-Abed Y,Abu-Zarga M,Sabri S,Atta-Ur-Rahman,Voelter W

更新日期：1998-11-20 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：:To date, the many examples reporting that fungal pathogens can efficiently detoxify phytoalexins provide strong evidence that the pathogenicity and/or virulence of some fungi is linked to their ability to detoxify their hosts' phytoalexins. The pathways used by plant pathogenic fungi to metabolize and detoxify phytoal...

journal_title：Phytochemistry

authors： Pedras MS,Ahiahonu PW

更新日期：2005-02-01 00:00:00

abstract：:Eight compounds, nagilactone C 7-O-α-L-arabinopyranosyl-(1→4)-β-D-xylopyranoside, nagilactone C 7-O-β-D-glucopyranosyl-(1→4)-β-D-xylopyranoside, nagilactone C 7-O-β-D-xylopyranoside, nagilactone A 7-O-α-L-arabinopyranosyl-(1→4)-β-D-xylopyranoside, 2β,15S,16,17,19-pentahydroxy-isopimar-8(14)-ene 17-O-β-D-glucopyranosid...

journal_title：Phytochemistry

authors： Faiella L,Temraz A,De Tommasi N,Braca A

更新日期：2012-04-01 00:00:00

abstract：:Caralluma sinaica is sold on local markets of Saudi Arabia for various health benefits however no phytochemical study has specifically been performed on this species. NMR and UHPLC-ESI-TOF-MS profilings of the ethanolic extract of the whole plant reveal a very complex phytochemical composition dominated by pregnanes. ...

journal_title：Phytochemistry

authors： Al-Massarani SM,Bertrand S,Nievergelt A,El-Shafae AM,Al-Howiriny TA,Al-Musayeib NM,Cuendet M,Wolfender JL

更新日期：2012-07-01 00:00:00

abstract：:Phytic acid is the most abundant inositol phosphate in cells; it constitutes 1-5% of the dry weight of cereal grains and legumes. Phytases are the primary enzymes responsible for the hydrolysis of phytic acid and thus play important roles in inositol phosphate metabolism. A novel alkaline phytase in lily pollen (LlALP...

journal_title：Phytochemistry

authors： Mehta BD,Jog SP,Johnson SC,Murthy PP

更新日期：2006-09-01 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：: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：:A disproportionately large number of the most important human food plants is cyanogenic. The accumulated research of numerous people working in several different disciplines now allows a tenable explanation for this observation. Cyanogenesis by plants is not only a surprisingly effective chemical defence against casua...

journal_title：Phytochemistry

authors： Jones DA

更新日期：1998-01-01 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：: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：:An in vitro aggregation of washed lutoid membrane and rubber particles, respectively, prepared from the bottom (lutoid) fraction and rubber layer of centrifuged fresh latex, leading to the formation of rubber coagulum necessary for a latex coagulation was demonstrated. A Triton X-100 extract of washed lutoid membrane ...

journal_title：Phytochemistry

authors： Wititsuwannakul R,Pasitkul P,Kanokwiroon K,Wititsuwannakul D

更新日期：2008-01-01 00:00:00

abstract：:The mulberry (Morus spp.)-silkworm (Bombyx mori) relationship has been a well-known plant-herbivore interaction for thousands of years. Recently, we found that mulberry leaves defend against insect herbivory by latex ingredients. Here we report that a 56-kDa (394 amino acid) defense protein in mulberry latex designate...

journal_title：Phytochemistry

authors： Wasano N,Konno K,Nakamura M,Hirayama C,Hattori M,Tateishi K

更新日期：2009-05-01 00:00:00

abstract：:We have studied the uptake of [3H]-medicarpin and its glutathione conjugate(s) into vacuolar membrane vesicles from etiolated hypocotyls of mung bean (Vigna radiata). Unconjugated medicarpin is taken up at a low rate in the presence or absence of MgATP. However, [3H]-medicarpin-glutathione conjugate(s), prepared by in...

journal_title：Phytochemistry

authors： Li ZS,Alfenito M,Rea PA,Walbot V,Dixon RA

更新日期：1997-06-01 00:00:00

abstract：:Salicinoids are phenolic glycosides (PGs) characteristic of the Salicaceae and are known defenses against insect herbivory. Common examples are salicin, salicortin, tremuloidin, and tremulacin, which accumulate to high concentrations in the leaves and bark of willows and poplars. Although their biosynthetic pathway is...

journal_title：Phytochemistry

authors： Chedgy RJ,Köllner TG,Constabel CP

更新日期：2015-05-01 00:00:00

abstract：:We reported previously that a recombinant salicylic acid (SA) glucosyltransferase1 (AtSGT1) from Arabidopsis thaliana catalyzes the formation of both SA 2-O-beta-D-glucoside (SAG) and the glucose ester of SA (SGE). Here, transgenic Arabidopsis plants overexpressing AtSGT1 have been constructed, and their phenotypes an...

journal_title：Phytochemistry

authors： Song JT,Koo YJ,Seo HS,Kim MC,Choi YD,Kim JH

更新日期：2008-03-01 00:00:00

abstract：:The enzymology of anthranilate synthase (EC 5.4.99.6) in microorganisms and plants is reviewed. Aminoacid sequences of the enzyme subunits in different species are compared, and the mechanism of reaction is discussed. ...

journal_title：Phytochemistry

authors： Romero RM,Roberts MF,Phillipson JD

更新日期：1995-05-01 00:00:00

abstract：:Myrothecium verrucaria was found to be an effective pathogen against kudzu grown in the greenhouse and the field. M. verrucaria produced large amounts of macrocyclic trichothecenes when cultured on solid rice medium, including epiroridin E (16.8 mg/g crude extract), epiisororidin E (1 mg/g), roridin E (8.7 mg/g), rori...

journal_title：Phytochemistry

authors： Abbas HK,Tak H,Boyette CD,Shier WT,Jarvis BB

更新日期：2001-09-01 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：: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：:Indole alkaloids, oxytrofalcatins A-F (1-6), together with five other known alkaloids (7-11), were isolated from the roots of Oxytropis falcata. Their structures were elucidated by comprehensive spectroscopic analyses, including using 1D and 2D NMR spectroscopy and mass spectrometry. This is the first report of N-benz...

journal_title：Phytochemistry

authors： Chen WH,Wu QX,Wang R,Shi YP

更新日期：2010-06-01 00:00:00

abstract：:A sulfated fucan containing fraction (SmWE) was isolated from water extract of the brown seaweed Stoechospermum marginatum collected from the Arabian Sea. Anion exchange chromatography of the crude fraction results in the production of a sulfated fucan (F3) having a molecular mass of 40 kDa and specific rotation [alph...

journal_title：Phytochemistry

authors： Adhikari U,Mateu CG,Chattopadhyay K,Pujol CA,Damonte EB,Ray B

更新日期：2006-11-01 00:00:00

abstract：:Four Mexican Nymphaea species, N. ampla, N. pulchella, N. gracilis and N. elegans belonging to subgenera Brachyceras were analyzed. In this work two 5-glycosyl isoflavones, 7,3',4'-trihydroxy-5-O-beta-D-(2''-acetyl)-xylopyranosylisoflavone (1) and 7,3',4'-trihydroxy-5-O-alpha-L-rhamnopyranosylisoflavone (2), were isol...

journal_title：Phytochemistry

authors： Marquina S,Bonilla-Barbosa J,Alvarez L

更新日期：2005-04-01 00:00:00

abstract：:A butanolide, marliolide, was isolated from the hexane extract of leaves of Mollinedia marliae (Monimiacae) along with the long chain fatty alcohol hexacosanol. Phytol and a mixture of sitosterol and stigmasterol were also isolated from leaves of both M. marliae and M. gilgiana. trans-N-Feruloyltyramine, a ferulic aci...

journal_title：Phytochemistry

authors： Claros BM,da Silva AJ,Vasconcellos ML,de Brito AP,Leitão GG

更新日期：2000-12-01 00:00:00

abstract：:The present study presents comprehensive chemical analyses of cuticular wax mixtures of the bamboo Phyllostachys aurea. The epicuticular and intracuticular waxes were sampled selectively from the adaxial side of leaves on young and old plants and investigated by gas chromatography-mass spectrometry and flame ionizatio...

journal_title：Phytochemistry

authors： Racovita RC,Jetter R

更新日期：2016-10-01 00:00:00

abstract：:There are several factors thought to assist invasive weeds in colonization of ecosystems. One of these factors is allelopathy, the negative effect of chemicals produced by one plant on neighboring plants, frequently mediated through root exudates and other plant leachates. Acroptilon repens (Asteraceae) is one of the ...

journal_title：Phytochemistry

authors： Quintana N,Weir TL,Du J,Broeckling CD,Rieder JP,Stermitz FR,Paschke MW,Vivanco JM

更新日期：2008-10-01 00:00:00

abstract：:Diterpene esters of the phorbol and ingenol types are known to be highly active tumor promoting agents that typically occur in members of the Euphorbiaceae. In the present work, Euphorbia leuconeura, a rare indoor plant, is analyzed for its tumor promoting potential. Latex as well as total leaf extracts exhibited Epst...

journal_title：Phytochemistry

authors： Vogg G,Mattes E,Rothenburger J,Hertkorn N,Achatz S,Sandermann H Jr

更新日期：1999-05-01 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：:Inspired by the recently discovered phenomenon of "horizontal natural product transfer" we investigated the putative uptake of phenolic specialized metabolites. Umbelliferone was chosen for this case study, since this coumarin as well as its derivatives can easily be determined by HPLC analyses. Barley (Hordeum vulgar...

journal_title：Phytochemistry

authors： Hijazin T,Radwan A,Abouzeid S,Dräger G,Selmar D

更新日期：2019-01-01 00:00:00

abstract：:The twigs of Dorstenia prorepens furnished the digeranylated chalcone, 5,3'-(3,7-dimethyl-2,6-octadienyl)-3,4, 2',4'-tetrahydroxychalcone while Dorstenia zenkeri yielded the 3',4'-(3-hydroxy-2,2-dimethyldihydropyrano)-4,2'-dihydroxychalcone and a bichalcone. 4-Hydroxylonchocarpin was found in both plants. D. prorepens...

journal_title：Phytochemistry

authors： Abegaz BM,Ngadjui BT,Dongo E,Ngameni B,Nindi MN,Bezabih M

更新日期：2002-04-01 00:00:00