A bidesmosidic hederagenin hexasaccharide from the roots of Symphytum officinale.

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：:Thirteen steroidal saponins were isolated from the leaves of Beaucarnea recurvata Lem. Their structures were established using one- and two-dimensional NMR spectroscopy and mass spectrometry. Six of them were identified as: 26-O-β-D-glucopyranosyl (25S)-furosta-5,20(22)-diene 1β,3β,26-triol 1-O-α-L-rhamnopyranosyl-(1→...

journal_title：Phytochemistry

authors： Eskander J,Lavaud C,Harakat D

更新日期：2011-06-01 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：:The behavior of glutathione reductase (GR, EC 1.6.4.2) activity and isoforms were analyzed in wheat (Triticum aestivum L.) leaves and roots exposed to a chronic treatment with a toxic cadmium (Cd) concentration. A significant growth inhibition (up to 55%) was found in leaves at 7, 14 and 21 days, whereas roots were af...

journal_title：Phytochemistry

authors： Yannarelli GG,Fernández-Alvarez AJ,Santa-Cruz DM,Tomaro ML

更新日期：2007-02-01 00:00:00

abstract：:Fourteen species of the genus Echium (Fam. Boraginaceae) collected in the Macaronesia were surveyed in a search for high levels of gamma-linolenic acid (GLA, 18:3omega6) in the seed oil. High amounts of this fatty acid were found in all of them, ranging from 18.85% (E. pitardii var. pitardii) to 27.42% (E. gentianoide...

journal_title：Phytochemistry

authors： Guil-Guerrero JL,Gómez-Mercado F,Rodríguez-García I,Campra-Madrid P,García-Maroto F

更新日期：2001-09-01 00:00:00

abstract：:Two new cytotoxic mono-tetrahydrofuran acetongenins, annosenegalin and annogalene, have been isolated from the cytotoxic methanolic extract of Annona senegalensis and A. cherimolia seeds. Their structures were established on the basis of 1D and 2D NMR spectroscopic techniques. Annosenegalin belongs to the rare type of...

journal_title：Phytochemistry

authors： Sahpaz S,González MC,Hocquemiller R,Zafra-Polo MC,Cortes D

更新日期：1996-05-01 00:00:00

abstract：:Root fluorescence is a phenomenon in which roots of seedlings fluoresce when irradiated with ultraviolet (UV) light. Soybean (Glycine max) and rye grass (Elymus glaucus) are the only plant species that have been reported to exhibit this occurrence in germinating seedling roots. The trait has been useful as a marker in...

journal_title：Phytochemistry

authors： Bais HP,Park SW,Stermitz FR,Halligan KM,Vivanco JM

更新日期：2002-11-01 00:00:00

abstract：:An 80% acetone extract of Monarda punctata showed an inhibitory effect on lipase activity in isolated mouse plasma in vitro and carvacrol was obtained as the active constituent. It had an IC₅₀ value of 4.07 mM invitro and suppressed elevations in blood triacylglycerol levels in olive oil-loaded mice. Furthermore, from...

journal_title：Phytochemistry

authors： Yamada K,Murata T,Kobayashi K,Miyase T,Yoshizaki F

更新日期：2010-11-01 00:00:00

abstract：:The interest in the potential health effects of dietary phytoestrogens has increased with the findings that hormone replacement therapy is not as safe or effective as previously thought. This review summarizes the dietary sources of the phytoestrogens; isoflavonoids, stilbenes, coumestans and lignans. It also examines...

journal_title：Phytochemistry

authors： Cornwell T,Cohick W,Raskin I

更新日期：2004-04-01 00:00:00

abstract：:Ginseng occupies a prominent position in the list of best-selling natural products in the world. Compared to the long history of use and widespread research on Asian ginseng, the study of American ginseng is relatively limited. In the past decade, some promising advances have been achieved in understanding the chemist...

journal_title：Phytochemistry

authors： Qi LW,Wang CZ,Yuan CS

更新日期：2011-06-01 00:00:00

abstract：:Three saponins, including two dimeric triterpenoid glucosides possessing an unusual skeleton, ivorenosides A and B, and a monomeric triterpenoid saponin (ivorenoside C), together with the known sericoside, were isolated from the bark of Terminalia ivorensis. Their structures were established on the basis of 1D and 2D ...

journal_title：Phytochemistry

authors： Ponou BK,Teponno RB,Ricciutelli M,Quassinti L,Bramucci M,Lupidi G,Barboni L,Tapondjou LA

更新日期：2010-12-01 00:00:00

abstract：:From the water soluble fraction of the dried fruits of Alangium lamrckii, four tetrahydroisoquinoline-monoterpene glycosides, 6-O-methyl-N-deacetylisoipecosidic acid, 7-O-methyl-N-deacetylisoipecosidic acid, 6,7-di-O-methyl-N-deacetylisoipecosidic acid and 6"-O-alpha-D-glucopyranosyl-6-O-methyl-N-deacetylisoipecosidic...

journal_title：Phytochemistry

authors： Itoh A,Tanahashi T,Tabata M,Shikata M,Kakite M,Nagai M,Nagakura N

更新日期：2001-03-01 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：:Phospholipase D (PLD; E.C. 3.1.4.4) is widespread in plants where it fulfills diverse functions in growth and in the response to stresses. The enzyme occurs in multiple forms that differ in their biochemical properties. In the present paper PLD from medicinally relevant Indian mustard seeds was purified by Ca(2+)-medi...

journal_title：Phytochemistry

authors： Khatoon H,Mansfeld J,Schierhorn A,Ulbrich-Hofmann R

更新日期：2015-09-01 00:00:00

abstract：:From the roots of Silene jenisseensis a new trans-p-methoxycinnamoyl triterpene saponin has been isolated along with its cis-p-methoxycinnamoyl isomer as an inseparable mixture. Their structures were established by chemical means and spectroscopic methods including 1D- and 2D-homonuclear and heteronuclear correlation ...

journal_title：Phytochemistry

authors： Lacaille-Dubois MA,Hanquet B,Cui ZH,Lou ZC,Wagner H

更新日期：1995-09-01 00:00:00

abstract：:Brugmansia arborea is a woody plant species that produces tropane alkaloids (TAs). The gene encoding tropine-forming reductase or tropinone reductase I (BaTRI) in this plant species was functionally characterised. The full-length cDNA of BaTRI encoded a 272-amino-acid polypeptide that was highly similar to tropinone r...

journal_title：Phytochemistry

authors： Qiang W,Xia K,Zhang Q,Zeng J,Huang Y,Yang C,Chen M,Liu X,Lan X,Liao Z

更新日期：2016-07-01 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：:Five new oleanane-type saponins, polygalasaponins XLII-XLVI, along with two known saponins were isolated from the roots of Polygala glomerata Lour. The structures of polygalasaponins XLII-XLVI were elucidated as 3-O-beta-D-glucopyranosyl presenegenin 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl- (1-->2)-{...

journal_title：Phytochemistry

authors： Zhang D,Miyase T,Kuroyanagi M,Umehara K,Noguchi H

更新日期：1998-02-01 00:00:00

abstract：:Glycolipids of fresh latex from three clones of Hevea brasiliensis were characterized and quantified by HPLC/ESI-MS. Their fatty acyl and sterol components were further confirmed by GC/MS after saponification. The four detected glycolipid classes were steryl glucosides (SG), esterified steryl glucosides (ESG), monogal...

journal_title：Phytochemistry

authors： Liengprayoon S,Sriroth K,Dubreucq E,Vaysse L

更新日期：2011-10-01 00:00:00

abstract：:The major component (35-65%) of the volatile oil obtained by steam distillation of the leaves of Melaleuca triumphalis has been identified as (rel)-1beta-pentyl-1alpha,6alpha-dihydroxy-3,3,5,5-tetramethylcyclohexa-2,4-dione (trivial name triumphalone). Relative stereochemistry was established by nuclear Overhauser exp...

journal_title：Phytochemistry

authors： Brophy JJ,Craig DC,Goldsack RJ,Fookes CJ,Leach DN,Waterman PG

更新日期：2006-09-01 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：:Three previously undescribed compounds, maneonenes and isomaneonene derivatives; in addition to five known compounds, two cuparene, one chamigrene, and two cis-maneonenes were isolated from the Red Sea red alga Laurencia obtusa. The chemical structures of all unknown metabolites were characterized employing spectrosco...

journal_title：Phytochemistry

authors： Bawakid NO,Alarif WM,Ismail AI,El-Hefnawy ME,Al-Footy KO,Al-Lihaibi SS

更新日期：2017-11-01 00:00:00

abstract：:Two neolignan glycosides (junipercomnosides A and B) were isolated from aerial parts of Juniperus communis var. depressa along with two known neolignan glycosides and seven flavonoid glycosides. The structures of the isolated compounds were determined by spectral analysis, in particular by 2D-NMR analysis. The signifi...

journal_title：Phytochemistry

authors： Nakanishi T,Iida N,Inatomi Y,Murata H,Inada A,Murata J,Lang FA,Iinuma M,Tanaka T

更新日期：2004-01-01 00:00:00

abstract：:The phytohormones, auxin and ethylene, together control a wide range of physiological and developmental processes in plants. The lack of knowledge regarding how the underlying signaling processes are reflected at the protein level represents a major gap in understanding phytohormone signaling, including that mediated ...

journal_title：Phytochemistry

authors： Slade WO,Ray WK,Williams PM,Winkel BS,Helm RF

更新日期：2012-12-01 00:00:00

abstract：:Plants have developed a plethora of signals to interact with other organisms, finally building up a sophisticate language for communication. In this context, we investigated Salvia verticillata L. (Lamiaceae), with the primary goal to link secondary metabolites and actual biotic relationships. We specifically analysed...

journal_title：Phytochemistry

authors： Giuliani C,Ascrizzi R,Lupi D,Tassera G,Santagostini L,Giovanetti M,Flamini G,Fico G

更新日期：2018-11-01 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：:Cell-wall polysaccharides of bamboo shoots were extracted with chelating reagent (CDTA, trans-1,2-cyclohexanediamine-N,N,N',N'-tetraacetic acid), Na(2)CO(3) and KOH solutions. Glycosyl composition and glycosyl linkage analyses showed that the hemicellulose was composed of arabinoxylan, (1-->3, 1-->4)-beta-D-glucan, xy...

journal_title：Phytochemistry

authors： Edashige Y,Ishii T

更新日期：1998-11-20 00:00:00

abstract：:The Madagascar periwinkle produces a large palette of Monoterpenoid Indole Alkaloids (MIAs), a class of complex alkaloids including some of the most valuable plant natural products with precious therapeutical values. Evolutionary pressure on one of the hotspots of biodiversity has obviously turned this endemic Malagas...

journal_title：Phytochemistry

authors： Dugé de Bernonville T,Clastre M,Besseau S,Oudin A,Burlat V,Glévarec G,Lanoue A,Papon N,Giglioli-Guivarc'h N,St-Pierre B,Courdavault V

更新日期：2015-05-01 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：:Ten stigmastane-type steroids bearing unusual Δ28-24-hydroxy side chains, dictyopterisins A-J, including three pairs of C-24 epimers, dictyopterisins B/C, F/G, and I/J, were isolated from the brown alga Dictyopteris undulata Holmes, together with two previously reported analogues, (24S)- and (24R)-saringosterol. Their...

journal_title：Phytochemistry

authors： Feng MT,Wang T,Liu AH,Li J,Yao LG,Wang B,Guo YW,Mao SC

更新日期：2018-02-01 00:00:00