Chrysin and other leaf exudate flavonoids in the genus Pelargonium.

abstract：:Eleven triterpenoid saponins were isolated from the roots of Gypsophila trichotoma Wender. (G. trichotoma Wender. var. trichotoma) (Caryophyllaceae), together with one known compound. The structures were established on the basis of extensive NMR analysis ((1)H, (13)C NMR, COSY, TOCSY, ROESY, HSQC, and HMBC), completed...

journal_title：Phytochemistry

authors： Voutquenne-Nazabadioko L,Gevrenova R,Borie N,Harakat D,Sayagh C,Weng A,Thakur M,Zaharieva M,Henry M

更新日期：2013-06-01 00:00:00

abstract：:Aglaia argentea leaves yielded three new cycloartanes: argenteanones A and B, and argenteanol. The first two possess cytotoxic activity against KB cells (IC50 7.5 micrograms ml-1 and 6.5 micrograms ml-1 respectively). Structural elucidation was done by two-dimensional NMR spectroscopy. ...

journal_title：Phytochemistry

authors： Omobuwajo OR,Martin MT,Perromat G,Sevenet T,Awang K,Païs M

更新日期：1996-03-01 00:00:00

abstract：:Bioassay-directed fractionation of an ethyl acetate extract from cultures of the fungus Malbranchea aurantiaca led to the isolation of two phytotoxic compounds, namely, 1-hydroxy-2-oxoeremophil-1(10),7(11),8(9)-trien-12(8)-olide (1) and penicillic acid (2). The structure of 1 was established by spectroscopic and X-ray...

journal_title：Phytochemistry

authors： Martínez-Luis S,González MC,Ulloa M,Mata R

更新日期：2005-05-01 00:00:00

abstract：:The influence of solar irradiance and seasons on prostaglandin (PG) and arachidonic acid (AA) content in the marine red alga Gracilaria verrucosa (Huds.) Papenf. (unattached form) was investigated. PGA(2), PGE(2), PGF(2), and 15-keto-PGE(2) were isolated from the alga, quantitatively analyzed as 4-methyl-7-methoxycoum...

journal_title：Phytochemistry

authors： Imbs AB,Vologodskaya AV,Nevshupova NV,Khotimchenko SV,Titlyanov EA

更新日期：2001-12-01 00:00:00

abstract：:A phytochemical study of the asteraceous herb Pulicaria crispa (Forssk.) Oliv. resulted in the characterisation of three guaianolide sesquiterpenes, 2alpha,4alpha-dihydroxy-7alphaH,8alphaH,10alphaH-guaia-1(5),11(13)-dien-8beta,12-olide (1), 1alpha,2alpha-epoxy-4beta-hydroxy-5alphaH,7alphaH,8alphaH,10alphaH-guaia-11(13...

journal_title：Phytochemistry

authors： Stavri M,Mathew KT,Gordon A,Shnyder SD,Falconer RA,Gibbons S

更新日期：2008-06-01 00:00:00

abstract：:A new flavonol tetraglycoside, together with two known flavonol glycosides, kaempferol 7-rhamnoside and kaempferol 3-rhamnosyl(1-->6) galactoside-7-rhamnoside, were isolated from fresh plant material of Cephalocereus senilis. The structure of the new compound was established as kaempferol 3-O-beta-D-glucopyranosyl(1--...

journal_title：Phytochemistry

authors： Liu Q,Liu M,Mabry TJ,Dixon RA

更新日期：1994-05-01 00:00:00

abstract：:Vernonia sensu lato is the largest and most complex genus of the tribe Vernonieae (Asteraceae). The tribe is chemically characterized by the presence of sesquiterpene lactones and flavonoids. Over the years, several taxonomic classifications have been proposed for Vernonia s.l. and for the tribe; however, there has be...

journal_title：Phytochemistry

authors： Gallon ME,Monge M,Casoti R,Da Costa FB,Semir J,Gobbo-Neto L

更新日期：2018-06-01 00:00:00

abstract：:Two mulinane-type diterpenoids were isolated from Azorella compacta; namely 20-hydroxymulin-11,13-dienyl acetate and 13,14-dihydroxymulin-11-en-20-oic acid. The structures were elucidated by analysis of their spectroscopic data. These compounds, as well as three previously isolated diterpenes, were evaluated as potent...

journal_title：Phytochemistry

authors： Loyola LA,Bórquez J,Morales G,San-Martín A,Darias J,Flores N,Giménez A

更新日期：2004-07-01 00:00:00

abstract：:From the roots of various Stemona species four new dehydrotocopherols (chromenols) were isolated and their structures and stereochemistry elucidated by spectroscopic methods. The double bond between C-3 and C-4 proved to be a typical chemical character of the genus found in most of the species. Various C-methylations ...

journal_title：Phytochemistry

authors： Brem B,Seger C,Pacher T,Hartl M,Hadacek F,Hofer O,Vajrodaya S,Greger H

更新日期：2004-10-01 00:00:00

abstract：:The genome of Brachypodium distachyon, also known as purple false brome, was fully sequenced in 2008 largely in response to the demand for a model plant for temperate grasses. A comparative study of the primary cell walls of seedlings of B. distachyon, Hordeum vulgare and Triticum aestivum was carried out. The cell wa...

journal_title：Phytochemistry

authors： Christensen U,Alonso-Simon A,Scheller HV,Willats WG,Harholt J

更新日期：2010-01-01 00:00:00

abstract：:Skeletonema marinoi produces 2,4-heptadienal, 2,4-octadienal, and 2,4,7-octatrienal, the latter only in traces. In nutrient-replete cultures, the production of potentially defensive polyunsaturated aldehydes (PUA) increases from the exponential to the stationary phase of growth from 1.2 fmol cell(-1) (+/-0.4 fmol cell...

journal_title：Phytochemistry

authors： Ribalet F,Wichard T,Pohnert G,Ianora A,Miralto A,Casotti R

更新日期：2007-08-01 00:00:00

abstract：:The hypersensitive response (HR), elicited when resistant hosts are infected by incompatible races of biotrophic fungi, has been researched extensively. New studies on host responses to necrotrophic fungi are beginning to show that when the HR occurs in hosts colonized by necrotrophs, fungal growth is accelerated rath...

journal_title：Phytochemistry

authors： Mayer AM,Staples RC,Gil-ad NL

更新日期：2001-09-01 00:00:00

abstract：:Marine sponges are an unusually rich source of bioactive natural products with clinical potential. They also often harbor rich communities of symbiotic bacteria that have often been suspected as the true producers of sponge-derived compounds. To date, these bacteria can in most cases not be cultivated, but culture-ind...

journal_title：Phytochemistry

authors： Hochmuth T,Piel J

更新日期：2009-10-01 00:00:00

abstract：:Five undescribed xanthones, 4-methoxypyranojacareubin, 4-hydroxy-3-prenylpyranoxanthone, 1-hydroxy-5,7-dimethoxyxanthone, 5-hydroxy-1,6,7-trimethoxyxanthone and 2-hydroxy-1,5-dimethoxyxanthone, together with thirty-three known xanthones were isolated from the roots of Mesua ferrea L. The structures of all isolated xan...

journal_title：Phytochemistry

authors： Chukaew A,Saithong S,Chusri S,Limsuwan S,Watanapokasin R,Voravuthikunchai SP,Chakthong S

更新日期：2019-01-01 00:00:00

abstract：:8-dimethylallylnaringenin (8-DMAN) 2'-hydroxylase, which is indispensable for the formation of a lavandulylated flavanone, sophoraflavanone G, was detected in cell suspension cultures of Sophora flavescens. The enzyme catalyzes the 2'-hydroxylation of 8-DMAN to leachianone G, and is tightly bound to the membrane. It r...

journal_title：Phytochemistry

authors： Yamamoto H,Yatou A,Inoue K

更新日期：2001-11-01 00:00:00

abstract：:Hydroxycinnamates including free hydroxycinnamic acids and their chlorogenic acid derivatives and glycosides have been profiled in leaf extracts of 98 Rhododendron species using LC-MS techniques. In total, 69 hydroxycinnamic acid derivatives were identified in the leaves of 98 Rhododendron species. Some derivatives se...

journal_title：Phytochemistry

authors： Shrestha A,Hakeem Said I,Grimbs A,Thielen N,Lansing L,Schepker H,Kuhnert N

更新日期：2017-12-01 00:00:00

abstract：:Bioassay guided fractionation of the lipophilic extract of the marine cyanobacterium Phormidium ectocarpi yielded a new natural product hierridin B and the previously described compound 2,4-dimethoxy-6-heptadecyl-phenol. Both structures were secured by extensive spectroscopic analysis (1D and 2D NMR, MS, GC-MS, IR). T...

journal_title：Phytochemistry

authors： Papendorf O,König GM,Wright AD

更新日期：1998-12-01 00:00:00

abstract：:A structure-activity relationships study was conducted assaying 15 natural analogues and derivatives belonging to two groups of organic compounds, nonenolides and cytochalasins, for their toxicity against the composite perennial weeds Cirsium arvense and Sonchus arvensis occurring through the temperate region of world...

journal_title：Phytochemistry

authors： Berestetskiy A,Dmitriev A,Mitina G,Lisker I,Andolfi A,Evidente A

更新日期：2008-02-01 00:00:00

abstract：:Four new ent-labdane diterpenes were isolated from the freshwater aquatic plant Potamogeton pectinatus, together with two known furano-ent-labdanes. The new compounds were assigned the structures methyl-15,16-epoxy-12(R)-acetoxy- 8(17), 13(16),14-ent-labdatrien-19-oate,15,16-epoxy-12(R)-acetoxy-8(17), 13(16),14-ent-la...

journal_title：Phytochemistry

authors： Waridel P,Wolfender JL,Lachavanne JB,Hostettmann K

更新日期：2003-12-01 00:00:00

abstract：:From a water extract of whole plants of Sesamum indicum, two new, and six known phenylethanoid glycosides, and three new triglycosides which had the same sugar sequence were isolated. The structures of the new compounds were elucidated from chemical and spectroscopic evidence. ...

journal_title：Phytochemistry

authors： Suzuki N,Miyase T,Ueno A

更新日期：1993-10-01 00:00:00

abstract：:OREB1 is a rice ABRE binding factor characterized by the presence of multiple highly-conserved phosphorylation domains (C1, C2, C3, and C4) and two kinase recognition motifs, RXXS/T and S/TXXE/D, within different functional domains. An in vitro kinase assay showed that OREB1 is phosphorylated not only by the SnRK2 kin...

journal_title：Phytochemistry

authors： Hong JY,Chae MJ,Lee IS,Lee YN,Nam MH,Kim DY,Byun MO,Yoon IS

更新日期：2011-01-01 00:00:00

abstract：:A truncated history of the contribution of plants to medicine is given with reference to some of the less well known ancestors of the Harborne family. Six of the top 20 prescriptions dispensed in 1996 were natural products and the clinical use of drugs such as artemisinin, etoposide and taxol has once more focussed at...

journal_title：Phytochemistry

authors： Phillipson JD

更新日期：2001-02-01 00:00:00

abstract：:Two new furostanol saponins, named chinenosides II and III, were isolated along with seven known compounds, from the bulbs of Allium chinese G. Don by a combination of silica gel, Diaion HP-20, and octadecylsilanized (ODS) silica gel column chromatographies and preparative HPLC. On the basis of chemical and spectrosco...

journal_title：Phytochemistry

authors： Peng JP,Yao XS,Tezuka Y,Kikuchi T

更新日期：1996-01-01 00:00:00

abstract：:Seven new biotransformation products were isolated from a jar fermentor culture of Eucalyptus perriniana following administration of (+)-camphor. The main product was (1S,4R,6S)-6-hydroxybornan-2-one 6-O-beta-D-glucopyranoside. The minor components were (1S,4R,6R)-6-hydroxybornan-2-one 6-O-beta-D-glucopyranoside, (1R,...

journal_title：Phytochemistry

authors： Orihara Y,Noguchi T,Furuya T

更新日期：1994-03-01 00:00:00

abstract：:The ubiquitous glycolipid 1,2-dilinolenoyl-3-galactopyranosylglycerol and a new protolimonoid glucoside, named prieurianoside, were isolated from the leaves of Trichilia prieuriana. The structure of the latter was established, by spectroscopic techniques, as 12beta,21-diacetoxy-29-beta-D-glucopyranosyloxy-23zeta -hydr...

journal_title：Phytochemistry

authors： Olugbade TA,Adesanya SA

更新日期：2000-08-01 00:00:00

abstract：:Seven neo-clerodanes (teupolins VI-XII) and eleven known compounds were isolated and characterized from leaf extracts of Teucrium polium L., a medicinal plant used in traditional and herbal medicine for its hypolipidemic, hypoglycemic, antioxidant and antiproliferative properties. The structures of these compounds wer...

journal_title：Phytochemistry

authors： Fiorentino A,D'Abrosca B,Pacifico S,Scognamiglio M,D'Angelo G,Gallicchio M,Chambery A,Monaco P

更新日期：2011-11-01 00:00:00

abstract：:Five new compounds (three esters and two glycosides) and seven previously reported compounds were isolated as biotransformation products of digitoxigenin by ginseng hairy root cultures. The new esters and glycosides were elucidated as digitoxigenin stearate, digitoxigenin palmitate, digitoxigenin myristate, 3-epidigit...

journal_title：Phytochemistry

authors： Kawaguchi K,Hirotani M,Yoshikawa T,Furuya T

更新日期：1990-01-01 00:00:00

abstract：:A project to investigate the supramolecular structure of photosystems was initiated, which is based on protein solubilizations by digitonin, protein separations by Blue native (BN)-polyacrylamide gel electrophoresis (PAGE) and protein identifications by mass spectrometry (MS). Under the conditions applied, nine photos...

journal_title：Phytochemistry

authors： Heinemeyer J,Eubel H,Wehmhöner D,Jänsch L,Braun HP

更新日期：2004-06-01 00:00:00

abstract：:The opium poppy Papaver somniferum L. produces the antimicrobial benzo[c]phenanthridine alkaloid sanguinarine and the narcotic analgesic morphinan alkaloid morphine. Transcripts of three genes of alkaloid biosynthesis in P. somniferum in developing seedlings, mature plants and plant cell suspension culture were monito...

journal_title：Phytochemistry

authors： Huang FC,Kutchan TM

更新日期：2000-03-01 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