Neogrifolin derivatives possessing anti-oxidative activity from the mushroom Albatrellus ovinus.

abstract：:From the mesocarp of Balanites aegyptiaca fruits, two pregnane glycosides were isolated. One is new and identified as pregn-5-ene-3 beta,16 beta,20(R)-triol 3-O-(2,6-di-O-alpha-L-rhamnopyranosyl)-beta-D-glucopyranoside (balagyptin), while the other is known and assigned as pregn-5-ene-3 beta,16 beta,20(R)-triol 3-O-be...

journal_title：Phytochemistry

authors： Kamel MS,Koskinen A

更新日期：1995-12-01 00:00:00

abstract：:Injury to plant products by harvest and postharvest operations induces respiration rate and increases the demand for respiratory substrates. Alterations in primary carbon metabolism are likely to support the elevated demand for respiratory substrates, although the nature of these alterations is unknown. To gain insigh...

journal_title：Phytochemistry

authors： Lafta AM,Fugate KK

更新日期：2011-04-01 00:00:00

abstract：:The effects of UVB radiation on plant growth rate, gene expression and flavonoid content in wild-type, and in transgenic and mutant F3'H deficient Petunia lines have been studied for the first time. In wild-type Petunia, UVB induced an increase in total levels of flavonols and this was due to an up-regulation of sever...

journal_title：Phytochemistry

authors： Ryan KG,Swinny EE,Markham KR,Winefield C

更新日期：2002-01-01 00:00:00

abstract：:Toddaliopsins A-D, four novel 1,2,3-trioxygenated acridone alkaloids, have been isolated from the leaves of Toddaliopsis bremekampii. Toddaliopsins B-D are the first reported acridone alkaloids with substituted N-methyl groups, in the light of which the chemotaxonomic relationship of Toddaliopsis and Vepris is discuss...

journal_title：Phytochemistry

authors： Naidoo D,Coombes PH,Mulholland DA,Crouch NR,van den Bergh AJ

更新日期：2005-07-01 00:00:00

abstract：:Two new flavone glucosides, nevadensin 5-O-beta-D-glucoside and nevadensin 5-O-beta-D-glucosyl(1-->6)beta-D-glucoside, have been isolated from the aerial parts of Lysionotus pauciflorus. The structures have been determined by means of UV, mass spectral and one- and two-dimensional 1H and 13C NMR techniques. ...

journal_title：Phytochemistry

authors： Liu Y,Wagner H,Bauer R

更新日期：1996-07-01 00:00:00

abstract：:Four pairs of enantiomeric β-carboline alkaloids, (+/-)-kumudine A-D, along with their biosynthesis-related compound kumudine E, were obtained from the stems of Picrasma quassioides. Their structures, including the absolute configurations, were determined via extensive spectroscopic data combined with electronic circu...

journal_title：Phytochemistry

authors： Zhao WY,Zhou WY,Chen JJ,Yao GD,Lin B,Wang XB,Huang XX,Song SJ

更新日期：2019-03-01 00:00:00

abstract：:Two aristololactams, aristololactam GI (1) and aristololactam GII (2), and three aporphines, fissistigamide A (3), fissistigamide B (4) and fissistigmine (5), together with nineteen known alkaloids, one flavone and one anthraquinone were isolated from the ethanol extracts of the stems of Fissistigma oldhamii (Annonace...

journal_title：Phytochemistry

authors： Ge YW,Zhu S,Shang MY,Zang XY,Wang X,Bai YJ,Li L,Komatsu K,Cai SQ

更新日期：2013-02-01 00:00:00

abstract：:The accumulation of apocarotenoids in arbuscular mycorrhizal (AM) roots suggests a dramatic reorganization of the plastids responsible for the biosynthesis of these compounds. This review describes the cytological and biochemical characterization of this phenomenon. The results presented suggest that plastids are key ...

journal_title：Phytochemistry

authors： Fester T,Lohse S,Halfmann K

更新日期：2007-01-01 00:00:00

abstract：:Benzoxazinoids are secondary metabolites that are effective in defence and allelopathy. They are synthesised in two subfamilies of the Poaceae and sporadically found in single species of the dicots. The biosynthesis is fully elucidated in maize; here the genes encoding the enzymes of the pathway are in physical proxim...

journal_title：Phytochemistry

authors： Frey M,Schullehner K,Dick R,Fiesselmann A,Gierl A

更新日期：2009-10-01 00:00:00

abstract：:Radicinin is a phytotoxic and antibiotic metabolite produced by some phytopathogenic fungi. Precursor administration and cell-free experiments with deoxyradicinin and radicinin were carried out in Bipolaris coicis H13-3. When deoxyradicinin was administered to the fungus, radicinin and 3-epi-radicinin formed. When rad...

journal_title：Phytochemistry

authors： Suzuki M,Sakuno E,Ishihara A,Tamura J,Nakajima H

更新日期：2012-03-01 00:00:00

abstract：:In search for new or chemo-taxonomically relevant bioactive compounds from chemically unexplored Hypericum species, four previously undescribed natural products, named peplidiforones A-D were isolated and characterized from Hypericum peplidifolium A. Rich., together with six known compounds. The structures of all comp...

journal_title：Phytochemistry

authors： Fobofou SA,Harmon CR,Lonfouo AH,Franke K,Wright SM,Wessjohann LA

更新日期：2016-04-01 00:00:00

abstract：:Five phenylpropanoid esters of sucrose glycosides, trivially named smiglasides A-E, were isolated from the rhizomes of Smilax glabra. Their structures were elucidated on the basis of spectroscopic studies. ...

journal_title：Phytochemistry

authors： Chen T,Li JX,Xu Q

更新日期：2000-04-01 00:00:00

abstract：:Santolina insularis (Genn ex Fiori) Arrig. is a medicinal plant whose essential oil shows antiviral and antibacterial activities and potent and selective cytotoxic activity against the human colon carcinoma cell line. The occurrence of several chemotypes makes the taxonomic identification of S. insularis hard to achie...

journal_title：Phytochemistry

authors： Gnavi G,Bertea CM,Usai M,Maffei ME

更新日期：2010-06-01 00:00:00

abstract：:In plants, it has been proposed that hexacoordinate (class 1) non-symbiotic Hbs (nsHb-1) function in vivo as peroxidases. However, little is known about peroxidase activity of nsHb-1. We evaluated the peroxidase activity of rice recombinant Hb1 (a nsHb-1) by using the guaiacol/H2O2 system at pH 6.0 and compared it to ...

journal_title：Phytochemistry

authors： Violante-Mota F,Tellechea E,Moran JF,Sarath G,Arredondo-Peter R

更新日期：2010-01-01 00:00:00

abstract：:3β-Hydroxy-5β-cholestan-6-one was identified in the EtOAc extract of Ajuga hairy roots by micro-analysis using LC-MS/MS in the multiple reaction mode (MRM). Furthermore, administration of (2,2,4,4,7,7-(2)H6)- and (2,2,4,4,6,7,7-(2)H7)-cholesterols to the hairy roots followed by LC-MS/MS analysis of the EtOAc extract o...

journal_title：Phytochemistry

authors： Fujimoto Y,Maeda I,Ohyama K,Hikiba J,Kataoka H

更新日期：2015-03-01 00:00:00

abstract：:In the course of our screening for new bioactive natural products, a culture of Hypoxylon rickii, a xylariaceous ascomycete collected from the Caribbean island Martinique, was identified as extraordinary prolific producer of secondary metabolites. Ten metabolites of terpenoid origin were isolated from submerged cultur...

journal_title：Phytochemistry

authors： Kuhnert E,Surup F,Wiebach V,Bernecker S,Stadler M

更新日期：2015-09-01 00:00:00

abstract：:Lotus japonicus roots, cultured in a modified B5 medium, produced and secreted germination stimulants that induced Striga hermonthica seed germination. The germination-inducing activity was detected both in the roots and the culture filtrate. Following bioassay-guided purification procedures, an active compound was is...

journal_title：Phytochemistry

authors： Sugimoto Y,Ueyama T

更新日期：2008-01-01 00:00:00

abstract：:Withania somnifera, known in India as Asghawhanda, is used traditionally to treat many medical problems including diabetes and has demonstrated therapeutic activity in various animal models as well as in diabetic patients. While much of W. somnifera's therapeutic activity is attributed to withanolides, their role in t...

journal_title：Phytochemistry

authors： Gorelick J,Rosenberg R,Smotrich A,Hanuš L,Bernstein N

更新日期：2015-08-01 00:00:00

abstract：:A new anthraquinone glycoside, emodin-6-O-beta-D-glucopyranoside, and a new simple halogenated flavan-3-ol, 6-chlorocatechin, have been isolated from the roots of Rumex patientia L. together with seven known phenolic compounds. Their structures were elucidated on the basis of spectroscopic methods. Cytotoxic effects a...

journal_title：Phytochemistry

authors： Demirezer LO,Kuruüzüm-Uz A,Bergere I,Schiewe HJ,Zeeck A

更新日期：2001-12-01 00:00:00

abstract：:A lipophilic extract of the root bark of Stereospermum kunthianum revealed antiplasmodial activity in vitro. Bioassay-guided fractionation led to the isolation of four novel naphthoquinones (sterekunthals A and B, pyranokunthones A and B) and one novel anthraquinone (anthrakunthone) together with the known naphthoquin...

journal_title：Phytochemistry

authors： Onegi B,Kraft C,Köhler I,Freund M,Jenett-Siems K,Siems K,Beyer G,Melzig MF,Bienzle U,Eich E

更新日期：2002-05-01 00:00:00

abstract：:Floral scent emission rate and composition of purple and white flower color morphs of Hesperis matronalis (Brassicaceae) were determined for two populations and, for each, at two times of day using dynamic headspace collection and GC-MS. The floral volatile compounds identified for this species fell into two main cate...

journal_title：Phytochemistry

authors： Majetic CJ,Raguso RA,Tonsor SJ,Ashman TL

更新日期：2007-03-01 00:00:00

abstract：:Five undescribed lignans, three undescribed phenylethanoid glycosides and eight known compounds were isolated from the root of Isodon ternifolius (D.Don) Kudô (Lamiaceae). The structures of all of the isolated constituents were characterized by physical data analyses including NMR, MS and ECD. The anti-inflammatory ac...

journal_title：Phytochemistry

authors： Zhang Y,Wang K,Chen H,He R,Cai R,Li J,Zhou D,Liu W,Huang X,Yang R,Deng S,Li J,Guan X

更新日期：2018-09-01 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：:Two novel styrl-pyrones, (+)-garvensintriol and (+)-etharvendiol, together with a known cytotoxic furano-furone, (+)-goniofufurone, have been isolated from the stem bark of Goniothalamus arvensis. A different relative configuration, cis-erythro-erythro for garvensintriol and cis-threo-erythro for etharvendiol, is esta...

journal_title：Phytochemistry

authors： Bermejo A,Blázquez MA,Rao KS,Cortes D

更新日期：1998-04-01 00:00:00

abstract：:Andrographolide, a diterpene lactone, is isolated from Andrographis paniculata which is well known for its medicinal properties. The biosynthetic route to andrographolide was studied using [1-(13)C]acetate, [2-(13)C]acetate and [1,6-(13)C(2)]glucose. The peak enrichment of eight carbon atoms in the (13)C NMR spectra o...

journal_title：Phytochemistry

authors： Srivastava N,Akhila A

更新日期：2010-08-01 00:00:00

abstract：:A procyanidin dimer xyloside, catechin-(4α→8)-7-O-β-xylopyranosyl-catechin, was isolated from the inner bark of Betula pendula and its structure was determined using 1D and 2D NMR, CD and high-resolution ESIMS. Interestingly, the 7-O-β-xylopyranose unit was found to be present in the lower terminal unit of the dimer. ...

journal_title：Phytochemistry

authors： Liimatainen J,Karonen M,Sinkkonen J

更新日期：2012-04-01 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 leaves of Aglaia edulis afforded a new bisamide, aglaiduline, and two new sulfur-containing bisamides, aglaithioduline and aglaidithioduline. Their structures were established from spectroscopic studies. The sulfur-containing amides exhibited slight antiviral activity against herpes simplex virus types 1 and 2. ...

journal_title：Phytochemistry

authors： Saifah E,Suttisri R,Shamsub S,Pengsuparp T,Lipipun V

更新日期：1999-11-01 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：:In addition to hecogenin 3-O-beta-D-glucopyranosyl(1--> 4)-beta-D-galactopyranoside, two new steroidal saponins were isolated from the aerial parts of Tribulus terrestris L. On the basis of chemical and spectroscopic evidence, especially 2D NMR spectroscopic techniques, the structures of the new saponins were establis...

journal_title：Phytochemistry

authors： Wu G,Jiang S,Jiang F,Zhu D,Wu H,Jiang S

更新日期：1996-08-01 00:00:00