Aristololactams and aporphines from the stems of Fissistigma oldhamii (Annonaceae).

abstract：:Abscisic acid (ABA) has been implicated as a mediator in plant responses to various environmental stresses. To evaluate the transcriptional and metabolic events downstream of ABA perception, Arabidopsis thaliana seedlings were analyzed by transcript and metabolite profiling, and results were integrated, using the rece...

journal_title：Phytochemistry

authors： Ghassemian M,Lutes J,Chang HS,Lange I,Chen W,Zhu T,Wang X,Lange BM

更新日期：2008-12-01 00:00:00

abstract：:Phospholipase D (PLD) catalyzes the hydrolysis and transesterification of glycerophospholipids at the terminal phosphodiester bond. In many plants, several isoforms of PLD have been identified without knowing their functional differences. In this paper, the specificities of two PLD isoenzymes from white cabbage (Brass...

journal_title：Phytochemistry

authors： Dippe M,Ulbrich-Hofmann R

更新日期：2009-02-01 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

abstract：:Silene species are known for their use in traditional medicine in treating several diseases. To the authors' knowledge there is no report on the chemical composition of S. odontopetala. Therefore, the phytochemical investigation of the methanol extract of S. odontopetala was carried out, leading to the isolation of si...

journal_title：Phytochemistry

authors： Ün RN,Masullo M,Karayildirim T,Nalbantsoy A,Alankus O,Piacente S

更新日期：2020-08-01 00:00:00

abstract：:Parasitic diseases continue to be a major worldwide health problem, and there is an urgent need for development of therapeutic drugs. This paper describes synthesis of dehydrodiferulic acid dilactone 1 and dehydrodisinapic acid dilactone 2 furofuran lignans by oxidative coupling of ferulic and sinapic acids, respectiv...

journal_title：Phytochemistry

authors： Pereira AC,Esperandim VR,Ferreira da Silva D,Magalhães LG,Lima TC,Nanayakkara DN,Cunha WR,Bastos JK,Andrade e Silva ML

更新日期：2014-11-01 00:00:00

abstract：:Six bisdesmosidic triterpenoidal saponins, gleditsiosides H-K and gleditsia saponins C' and E', were isolated from the anomalous fruits of Gleditsia sinensis. Their structures were established by a combination of extensive NMR (DEPT, DQF-COSY, HETCOR, HOHAHA, HMBC and ROESY) studies and chemical degradation. ...

journal_title：Phytochemistry

authors： Zhang Z,Koike K,Jia Z,Nikaido T,Guo D,Zheng J

更新日期：1999-10-01 00:00:00

abstract：:To understand raffinose family oligosaccharides (RFO) metabolism in chickpea (Cicer arietinum L.) seeds, RFO accumulation and corresponding biosynthetic enzymes activities were determined during seed development of chickpea genotypes with contrasting RFO concentrations. RFO concentration in mature seeds was found as a...

journal_title：Phytochemistry

authors： Gangola MP,Jaiswal S,Kannan U,Gaur PM,Båga M,Chibbar RN

更新日期：2016-05-01 00:00:00

abstract：:Six chromene stilbenoids and one chromane stilbenoid were isolated from the African tree Hymenocardia acida. Several were moderately active against methicillin-resistant Staphylococcus aureus clinical isolate MRSA-108, including hymenocardichromanic acid, which was active at 8 μg/ml. None had IC50 values <20 μM in ant...

journal_title：Phytochemistry

authors： Starks CM,Williams RB,Norman VL,Rice SM,O'Neil-Johnson M,Lawrence JA,Eldridge GR

更新日期：2014-02-01 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：:Four steroidal glycosides, named abutilosides L, M and N, these being 22S,25S-epoxy-furost-5-ene type glycosides, and abutiloside O, a 20-22 seco-type steroidal glycoside, were isolated from the fresh fruits of Solanum abutiloides. Their structures were determined by 2D NMR spectroscopic analysis and chemical evidence...

journal_title：Phytochemistry

authors： Yoshimitsu H,Nishida M,Nohara T

更新日期：2003-12-01 00:00:00

abstract：:The widespread secondary metabolite usnic acid, a dibenzofuran derivative, is the principal acetone-soluble compound in the lichen Flavocetraria nivalis. Seasonal variation in concentrations were studied in four populations of this lichen, three from Arctic-alpine habitats in the Northern Hemisphere, and one from Pata...

journal_title：Phytochemistry

authors： Bjerke JW,Elvebakk A,Domínguez E,Dahlback A

更新日期：2005-02-01 00:00:00

abstract：:From the aerial parts of Clerodendrum inerme, two new sterols (4alpha-methyl-24beta-ethyl-5alpha-cholesta-14, 25-dien-3beta-ol and 24beta-ethylcholesta-5, 9(11), 22E-trien-3beta-ol) and a new aliphatic ketone (11-pentacosanone) were isolated together with another known aliphatic ketone (6-nonacosanone) and a diterpene...

journal_title：Phytochemistry

authors： Pandey R,Verma RK,Singh SC,Gupta MM

更新日期：2003-06-01 00:00:00

abstract：:The first seco-uleine alkaloids, manilamine (1) (18-hydroxy-19,20-dehydro-7,21-seco-uleine) and N4-methyl angustilobine B (2), were isolated from the (pH 5) alkaloid extract of Philippine Alstonia scholaris leaves together with the known indole alkaloids 19,20-(E)-vallesamine (3), angustilobine B N4-oxide (4), 20(S)-t...

journal_title：Phytochemistry

authors： Macabeo AP,Krohn K,Gehle D,Read RW,Brophy JJ,Cordell GA,Franzblau SG,Aguinaldo AM

更新日期：2005-05-01 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 paper describes the amino acid sequence of a 26 kDa basic subunit of 13S globulin of common buckwheat (Fagopyrum esculentum Moench). The protein has 93 and 75% sequence homology with 11S globulin of Coffea arabica and beta subunit of 11S globulin of Cucurbita pepo respectively. The subunit has the "globally conser...

journal_title：Phytochemistry

authors： Bharali S,Chrungoo NK

更新日期：2003-05-01 00:00:00

abstract：:Destruxins, secondary metabolites first reported in 1961, are cyclic hexadepsipeptides composed of an alpha-hydroxy acid and five amino acid residues. The name "destruxin" is derived from "destructor" from the species Oospora destructor, the entomopathogenic fungus from which these metabolites were first isolated. Ind...

journal_title：Phytochemistry

authors： Pedras MS,Irina Zaharia L,Ward DE

更新日期：2002-03-01 00:00:00

abstract：:A new acylated anthocyanin was isolated from the red-purple flowers of x Laeliocattleya cv Mini Purple as one of the major anthocyanins. The structure of this pigment was determined to be cyanidin 3-O-[6-O-(malonyl)-beta-D-glucopyranoside]-7-O-[6-O-(trans-p- coumaryl)-beta-D-glucopyranoside]-3'-O-[6-O-[trans-4-O-[6-O-...

journal_title：Phytochemistry

authors： Tatsuzawa F,Saito N,Yokoi M,Shigihara A,Honda T

更新日期：1994-11-01 00:00:00

abstract：:The cell extract of a cultured terrestrial Nostoc sp. (UIC 10062), obtained from a sample collected at Grand Mere State Park in Michigan, displayed antiproliferative activity against the HT-29 human colon cancer cell line. Bioactivity-guided fractionation of the cell extract, combined with LC-MS analysis, led to the i...

journal_title：Phytochemistry

authors： Kang HS,Santarsiero BD,Kim H,Krunic A,Shen Q,Swanson SM,Chai H,Kinghorn AD,Orjala J

更新日期：2012-07-01 00:00:00

abstract：:The methanolic extract from the pericarps of Sapindus rarak DC. was found to show pancreatic lipase inhibitory activity (IC50=ca. 614 microg/mL). From the extract, oleanane-type triterpene oligoglycosides, rarasaponins I-III (1-3), and raraoside A (4), were isolated together with 13 known saponins and four known sesqu...

journal_title：Phytochemistry

authors： Morikawa T,Xie Y,Asao Y,Okamoto M,Yamashita C,Muraoka O,Matsuda H,Pongpiriyadacha Y,Yuan D,Yoshikawa M

更新日期：2009-06-01 00:00:00

abstract：:The hydrocarbon composition of the marine diatom Pleurosigma strigosum isolated from coastal Mediterranean sediments is described. A suite of five C(25) highly branched isoprenoid (HBI) alkenes with 2-5 double bonds were detected together with n-C(21:4) and n-C(21:5) alkenes and squalene. The analysis by (1)H and (13)...

journal_title：Phytochemistry

authors： Grossi V,Beker B,Geenevasen JA,Schouten S,Raphel D,Fontaine MF,Sinninghe Damsté JS

更新日期：2004-11-01 00:00:00

abstract：:Two saponins and a sapogenin were isolated from the leaves of Ilex brevicuspis. Their structures were established by means of spectroscopic methods as brevicuspisaponin 1 (3-O-alpha-L-arabinopyranosyl-20(S)-19 alpha,24-dihydroxyursolic acid), brevicuspisaponin 2 (3-O-alpha-L-arabinopyranosyl-20(S)-19 alpha,23,24-trihy...

journal_title：Phytochemistry

authors： Taketa AT,Schmittmann-Schlager T,Guillaume D,Gosmann G,Schenkel EP

更新日期：2000-04-01 00:00:00

abstract：:Uronic acid oxidase activity was found in an extract from harvested peaches that was incubated with citrus pectin at pH 8.5. The product of this reaction was identified by GC-MS analysis to be galactaric acid. The reaction was linear at 37 degrees C for up to 20 h, and the pH optimum was 8.5. The activity found in fir...

journal_title：Phytochemistry

authors： Cantu D,Greve LC,Lurie S,Labavitch JM

更新日期：2006-01-01 00:00:00

abstract：:Four new allose-containing triterpenoid saponosides, scabriosides A, B, C and D were isolated from the roots of Scabiosa rotata. Their structures were established as 3-O-beta-D-xylopyranosyl-28-O-[beta-D-allopyranosyl (1-->6)-beta-D-glucopyranosyl]-pomolic acid, 3-O-[alpha-L-rhamnopyranosyl (1-->2)-beta-D-xylopyranosy...

journal_title：Phytochemistry

authors： Baykal T,Panayir T,Tasdemir D,Sticher O,Calis I

更新日期：1998-07-01 00:00:00

abstract：:Two new flavanone glycosides, alhagitin and alhagidin, have been isolated from the whole plant of Alhagi pseudalhagi and their structures established respectively as naringenin 5-methyl ether 4'-glucoside and hesperitin 7-galactosyl(1-->2)[rhamnosyl(1-->6)]glucoside by chemical and spectroscopic methods. ...

journal_title：Phytochemistry

authors： Singh VP,Yadav B,Pandey VB

更新日期：1999-06-01 00:00:00

abstract：:From the aerial parts of Clerodendrum inerme, two megastigmane glucosides (sammangaosides A and B) and a iridoid glucoside (sammangaoside C) were isolated together with 15 known compounds. The structural elucidations were based on analyses of physical and spectroscopic data. ...

journal_title：Phytochemistry

authors： Kanchanapoom T,Kasai R,Chumsri P,Hiraga Y,Yamasaki K

更新日期：2001-09-01 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：:Crotaoprostrin, a chalcone not yet known as a plant constituent, was isolated from the aerial parts of the Indian medicinal plant Crotalaria prostrata. The structures of the chalcone polyarvin and the partially hydrogenated naturally occurring derivatives crotaramin, crotaramosmin, and crotin were confirmed by chemica...

journal_title：Phytochemistry

authors： Krohn K,Steingröver K,Srinivasa Rao M

更新日期：2002-12-01 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：:Chemical investigations of a microfungus Xylaria sp. isolated from the Australian rainforest tree Glochidion ferdinandi have afforded two new natural products, 2-hydroxy-6-methyl-8-methoxy-9-oxo-9H-xanthene-1-carboxylic acid (1) and 2-hydroxy-6-hydroxymethyl-8-methoxy-9-oxo-9H-xanthene-1-carboxylic acid (2). Compound ...

journal_title：Phytochemistry

authors： Healy PC,Hocking A,Tran-Dinh N,Pitt JI,Shivas RG,Mitchell JK,Kotiw M,Davis RA

更新日期：2004-08-01 00:00:00

abstract：:Two phytotoxins were isolated from the liquid culture of Phoma chenopodiicola, a fungal pathogen proposed for the biological control of Chenopodium album, a common worldwide weed of arable crops. The two phytotoxins appeared to be a new tetrasubstituted furopyran and a new ent-pimaradiene. From the same culture a new ...

journal_title：Phytochemistry

authors： Evidente M,Cimmino A,Zonno MC,Masi M,Berestetskyi A,Santoro E,Superchi S,Vurro M,Evidente A

更新日期：2015-09-01 00:00:00