Xanthones from Hypericum roeperanum.

abstract：:Investigation of the MeOH extract obtained from the root of the Ziziphus mauritiana grown in Thailand resulted in the isolation of two 14- and 13-membered cyclic alkaloids, mauritine L (1) and mauritine M (2), and three known cyclopeptide alkaloids, nummularines H (3), B (4) and hemsine A (5). Their structures were el...

journal_title：Phytochemistry

authors： Panseeta P,Lomchoey K,Prabpai S,Kongsaeree P,Suksamrarn A,Ruchirawat S,Suksamrarn S

更新日期：2011-06-01 00:00:00

abstract：:Microbial transformation of (+/-)-eudesmin by Aspergillus niger was investigated. Enantioselective accumulation of (--)-pinoresinol was shown through O-demethylation of (+/-)-eudesmin. This fungus O- demethylated both enantiomers of eudesmin, but the conversion rates for each enantiomer were clearly different. ...

journal_title：Phytochemistry

authors： Kasahara H,Miyazawa M,Kameoka H

更新日期：1997-04-01 00:00:00

abstract：:Proteomic analyses of soybean seedlings responding to flooding were conducted to identify key proteins involved. The seeds were germinated on a spongy matrix for two days, and then subjected to flooding for three days. After flooding, the total number of roots, the length of the main root, the lengths of the lateral a...

journal_title：Phytochemistry

authors： Shi F,Yamamoto R,Shimamura S,Hiraga S,Nakayama N,Nakamura T,Yukawa K,Hachinohe M,Matsumoto H,Komatsu S

更新日期：2008-04-01 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：:Nine oxygenated guaiane-type sesquiterpenes and three isopimarane diterpenes were isolated from the culture broth of an endophytic fungus, Xylaria sp. YM 311647, obtained from Azadirachta indica. The structures of these compounds were elucidated by interpretation of spectroscopic data. The absolute configurations of t...

journal_title：Phytochemistry

authors： Wu SH,He J,Li XN,Huang R,Song F,Chen YW,Miao CP

更新日期：2014-09-01 00:00:00

abstract：:A new sterol with a non-conventional side chain has been isolated from the whole plant of Anoectochilus koshunensis, together with four known sterols, a megastigmane glucoside and 2'-deoxyadenosine. The structure of the new sterol was elucidated as 26-methylstigmasta-5,22,25, (27)-trien-3 beta-ol based on chemical and...

journal_title：Phytochemistry

authors： Ito A,Yasumoto K,Kasai R,Yamasaki K

更新日期：1994-08-01 00:00:00

abstract：:Several glycosides were isolated, as polyacetates, from the n-BuOH fraction of the Tinospora cordifolia stems. The structures of three new norditerpene furan glycosides cordifoliside A, B and C have been established by 1D and 2D NMR spectroscopy. ...

journal_title：Phytochemistry

authors： Gangan VD,Pradhan P,Sipahimalani AT,Banerji A

更新日期：1994-10-01 00:00:00

abstract：:Three bufadienolides, hellebortin A (5-[beta-D-glucopyranosyloxy]-10,14,16-trihydroxy-19-nor-[5beta,10beta,14beta,16beta]-bufa-3,20,22-trienolide [1]), hellebortin B (5-[beta-D-glucopyranosyloxy]-3,4-epoxy-14-hydroxy-19-oxo-bufa-20,22-dienolide [2]) and hellebortin C (5-[beta-D-glucopyranosyloxy]-3,4-epoxy-10,14-dihyd...

journal_title：Phytochemistry

authors： Meng Y,Whiting P,Sik V,Rees HH,Dinan L

更新日期：2001-06-01 00:00:00

abstract：:In order to determine how plant uptake of a sulfur-rich secondary metabolite, sinalbin, affects the metabolic profile of sulfur-deficient plants, gas chromatography time-of-flight mass spectrometry (GC-TOF-MS), in combination with liquid chromatography-mass spectrometry (LC-MS), was used to survey the metabolome of Ar...

journal_title：Phytochemistry

authors： Zhang J,Sun X,Zhang Z,Ni Y,Zhang Q,Liang X,Xiao H,Chen J,Tokuhisa JG

更新日期：2011-10-01 00:00:00

abstract：:The rare series of (4-->5)-linked proteracacinidins is extended by identification of oritin-(4alpha-->5)-epioritin-4beta-ol, ent-epioritin-(4alpha-->5)-epioritin-4beta-ol, epioritin-(4beta-->5)-epioritin-4alpha-ol and ent-oritin-(4beta-->5)-epioritin-4alpha-ol from the heartwoods of Acacia galpinii and Acacia caffra. ...

journal_title：Phytochemistry

authors： Bennie L,Coetzee J,Malan E,Ferreira D

更新日期：2002-03-01 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：:Due to their pronounced cytotoxic activity, a number of aryltetralin lignans (ATLs), such as podophyllotoxin (PTOX), are used as antitumor compounds. The production of such molecules from entire plants or plant cell-tissue-organ cultures is thus of interest to the pharmaceutical industry. Hairy root cultures constitut...

journal_title：Phytochemistry

authors： Cong LH,Dauwe R,Lequart M,Vinchon S,Renouard S,Fliniaux O,Colas C,Corbin C,Doussot J,Hano C,Lamblin F,Molinié R,Pilard S,Jullian N,Boitel M,Gontier E,Mesnard F,Laberche JC

更新日期：2015-07-01 00:00:00

abstract：:Lycopodium serratene triterpenoids, along with an abietane-type diterpene were isolated from the methanol extract of club moss Lycopodium phlegmaria L. The structures of these hitherto unknown lycopodium terpenoids were elucidated on the basis of spectroscopic analysis. Pentacyclic triterpenoids, 21β-hydroxy-serrat-14...

journal_title：Phytochemistry

authors： Wittayalai S,Sathalalai S,Thorroad S,Worawittayanon P,Ruchirawat S,Thasana N

更新日期：2012-04-01 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：: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：:The thiol redox-sensitive and the total proteome in harvest-ripe grains of closely related genotypes of wheat (Triticum aestivum L.), with either a dormant or a non-dormant phenotype, were investigated using hybrid lines of spring wheat double haploid population segregating transgressively, to gain further insight int...

journal_title：Phytochemistry

authors： Bykova NV,Hoehn B,Rampitsch C,Hu J,Stebbing JA,Knox R

更新日期：2011-07-01 00:00:00

abstract：:Bacterial LPS have the ability to act as modulators of the innate immune response in plants. Complex and largely unresolved perception systems exist for LPS on the plant cell surfaces that lead to the activation of multiple intracellular defense signaling pathways. The aim of the present study was to investigate the p...

journal_title：Phytochemistry

authors： Gerber IB,Dubery IA

更新日期：2004-11-01 00:00:00

abstract：:Strychnos nux-vomica L. (Loganiaceae) is famous for its monomeric alkaloid content, such as strychnine, a convulsant poison. The stem bark of the tree is traditionally used to treat intermittent fever in South East Asia. In various studies, it appeared that dimeric indolo-monoterpenic alkaloids possess a promising act...

journal_title：Phytochemistry

authors： Jonville MC,Dive G,Angenot L,Bero J,Tits M,Ollivier E,Frédérich M

更新日期：2013-03-01 00:00:00

abstract：:Ragi bifunctional α-amylase-trypsin inhibitor (RBI) of Eleusine coracana (L.) Gaertn. (finger millet) simultaneously inhibits α-amylase and trypsin. In continuation of previous work on the cloning, expression and characterization of RBI, a bidirectional promoter from finger millet was explored on the basis of experime...

journal_title：Phytochemistry

authors： Sen S,Dutta SK

更新日期：2016-09-01 00:00:00

abstract：:Eight pairs of meroterpenoid enantiomers and four achiral meroterpenoids were isolated from Rhododendron anthopogonoides Maxim. Seventeen of them, named (+)-/(-)-anthoponoids A-G, (+)-daurichromene D, and anthoponoids H and I, are undescribed compounds with structural diversity. Their structures were characterized her...

journal_title：Phytochemistry

authors： Shi Q,Li TT,Wu YM,Sun XY,Lei C,Li JY,Hou AJ

更新日期：2020-12-01 00:00:00

abstract：:In addition to lotaustralin and linamarin, a novel cyanogenic glycoside, 2-((6-O-(beta-D-apiofuranosyl)-beta-D-glucopyranosyl)oxy)-2-met hylbutanenitrile , two novel non-cyanogenic glycosides, (2S)-((6-O-(beta-D-apiofuranosyl)-beta-D- glucopyranosyl)oxy)butane and 2-((6-O-(beta-D-apiofuranosyl)-beta-D-glucopyranosyl)o...

journal_title：Phytochemistry

authors： Prawat H,Mahidol C,Ruchirawat S,Prawat U,Tuntiwachwut-tikul P,Tooptakong U,Taylor WC,Pakawatchai C,Skeleton BW,White AH

更新日期：1995-11-01 00:00:00

abstract：:Investigation of a hairy root culture of Tripterygium wilfordii var. regelii transformed with Agrobacterium rhizogenes resulted in the isolation of new diterpenoid and sesquiterpenoid together with known triterpenoids. These structures were determined by spectroscopic analyses. ...

journal_title：Phytochemistry

authors： Nakano K,Yoshida C,Furukawa W,Takaishi Y,Shishido K

更新日期：1998-11-20 00:00:00

abstract：:This work demonstrates the presence of hyoscyamine and scopolamine at different stages of shoot regeneration from non-organogenic and organogenic calli. The 11-week-old non-organogenic calli contained 0.41+/-0.03 and 0.23+/-0.02 microg g(-1) dry wt hyoscyamine and scopolamine respectively. However, no root meristem wa...

journal_title：Phytochemistry

authors： Khanam N,Khoo C,Close R,Khan AG

更新日期：2001-01-01 00:00:00

abstract：:The corolla of Brassica rapa has an UV-absorbing zone in its center, known as the nectar guide for attracting pollinating insects. The pigment which plays the role of the nectar guide was isolated from the petals and identified to be isorhamnetin 3,7-O-di-beta-D-glucopyranoside on the basis of MS and NMR spectroscopic...

journal_title：Phytochemistry

authors： Sasaki K,Takahashi T

更新日期：2002-10-01 00:00:00

abstract：:Six phragmalin limonoids, named tabulalin and tabulalides A-E, were isolated from the root bark of Chukrasia tabularis (Meliaceae). Their structures were determined by spectroscopic methods, and their antifeedant properties evaluated. ...

journal_title：Phytochemistry

authors： Nakatani M,Abdelgaleil SA,Saad MM,Huang RC,Doe M,Iwagawa T

更新日期：2004-10-01 00:00:00

abstract：:Six previously undescribed tropane alkaloids, designated as erythrobezerrines A-F, were isolated from the EtOH extract from the stem bark of Erythroxylum bezerrae Plowman. Their structures were elucidated based on the interpretation of the NMR and MS data and in some instances, confirmed by X-ray diffraction analysis....

journal_title：Phytochemistry

authors： Brito LSO,Pinto FDCL,de Filho MOM,Rocha DD,Mendoza MFM,Ayala AP,Bezerra BP,Loiola MIB,Canuto KM,Silveira ER,Pessoa ODL

更新日期：2020-10-01 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：:A cyanogenic glycoside - 6'-O-galloylsambunigrin - has been isolated from the foliage of the Australian tropical rainforest tree species Elaeocarpus sericopetalus F. Muell. (Elaeocarpaceae). This is the first formal characterisation of a cyanogenic constituent in the Elaeocarpaceae family, and only the second in the o...

journal_title：Phytochemistry

authors： Miller RE,Stewart M,Capon RJ,Woodrow IE

更新日期：2006-07-01 00:00:00

abstract：:A new triterpene and its glycosides were isolated from the bark of Schefflera octophylla together with asiatic acid and asiaticoside. Based on spectroscopic data, especially 2DNMR, and chemical transformations the structures of the new compounds were determined as 3 alpha-hydroxy-urs-12-ene-23,28-dioic acid and 3 alph...

journal_title：Phytochemistry

authors： Sung TV,Lavaud C,Porzel A,Steglich W,Adam G

更新日期：1992-01-01 00:00:00

abstract：:In an attempt to reveal the relationships between alkaloid biosynthesis and phylogeny, we investigated by GC-MS the alkaloid patterns of 22 species and 3 hybrids (from 45 locations) from seven main sections of the genus Narcissus (Amaryllidaceae). The results indicate that the first alkaloids to evolve in the genus Na...

journal_title：Phytochemistry

authors： Berkov S,Martínez-Francés V,Bastida J,Codina C,Ríos S

更新日期：2014-03-01 00:00:00