Steroidal glycosides from the fruits of Solanum abutiloides.

abstract：:A phytochemical investigation of the roots of Symplocos caudata Wall (Symplocaceae) resulted in isolation and characterization of four optical isomers of a neolignan glycoside (1-4), a lignan lactone glycoside (5), a phenylpropanoid glycoside (6), as well as two known compounds (7, 8). Their structures were elucidated...

journal_title：Phytochemistry

authors： Huo C,Liang H,Zhao Y,Wang B,Zhang Q

更新日期：2008-02-01 00:00:00

abstract：:The linear hexitol altritol has only been identified in six genera, all of them in the order Fucales of the brown algae. Five of these genera are closely related according to molecular phylogenetic and other data, while the sixth (Notheia) is an obligate epiphyte on two other altritol-containing genera with which it i...

journal_title：Phytochemistry

authors： Raven JA,Beardall J,Chudek JA,Scrimgeour CM,Clayton MN,McInroy SG

更新日期：2001-10-01 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：:A rare 16β-H steroidal alkaloid saponin (1), an avenacoside-type saponin (2), two steroidal saponins (4, 5), one revised-structure steroidal saponin (3) and six known compounds (6-11) were isolated from aerial parts of Solanum surattense Burm. f. Their structures were established on the basis of physical data, as well...

journal_title：Phytochemistry

authors： Lu Y,Luo J,Kong L

更新日期：2011-05-01 00:00:00

abstract：:The seeds of 36 pigeonpea [Cajanus cajan (L) Millsp.] cultivars, resistant and susceptible to pests and pathogens and 17 of its wild relatives were analysed for inhibitors of trypsin, chymotrypsin, and insect gut proteinases to identify potential inhibitors of insect (Helicoverpa armigera) gut enzymes. Proteinase inhi...

journal_title：Phytochemistry

authors： Chougule NP,Hivrale VK,Chhabda PJ,Giri AP,Kachole MS

更新日期：2003-10-01 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：: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：:In this study we were mirroring suggested in vivo phenomena of lignin-hemicellulose complex formation in vitro, by cross-linking Norway spruce (Picea abies) galactoglucomannans, xylans and lignin moieties to high molecular weight complexes by laccase treatment. We were able to observe the oxidation and cross-linking o...

journal_title：Phytochemistry

authors： Oinonen P,Zhang L,Lawoko M,Henriksson G

更新日期：2015-03-01 00:00:00

abstract：:Phytochemical re-investigation of the aerial parts of Bonamia spectabilis (Convolvulaceae) led to the isolation of four minor tetrahydrofuran-type sesquilignans (bonaspectins E-H) together with the known neolignan virolongin A and the known lignan rel-(7S,8R,7'R,8'R)-3,3',4,4',5,5'-hexamethoxylignan. Their structures ...

journal_title：Phytochemistry

authors： Kraft C,Jenett-Siems K,Köhler I,Tofern-Reblin B,Siems K,Bienzle U,Eich E

更新日期：2002-05-01 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：:Anthocyanins are naturally occurring flavonoids derived from the phenylpropanoid pathway. There is increasing evidence of the preventative and protective roles of anthocyanins against a broad range of pathologies, including different cancer types and metabolic diseases. However, most of the fresh produce available to ...

journal_title：Phytochemistry

authors： Chaves-Silva S,Santos ALD,Chalfun-Júnior A,Zhao J,Peres LEP,Benedito VA

更新日期：2018-09-01 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：:Chemical systematics sets out to interpret the phylogenetic implications of the occurrence and distribution of secondary metabolites. In this review, a number of the major contributions from the 1960's and 1970's are identified and re-assessed in the light of recent evidence gained from DNA studies. It is shown that f...

journal_title：Phytochemistry

authors： Waterman PG

更新日期：2007-11-01 00:00:00

abstract：:Six species of Portuguese Ulex L. in a total of nineteen populations were studied by GC-EIMS as to their content in quinolizidine alkaloids. Sparteine, beta-isosparteine, jussiaeiine A, N-methylcytisine, cytisine, 5,6-dehydrolupanine, rhombifoline, lupanine, jussiaeiine B, N-formylcytisine, N-acetylcytisine, anagyrine...

journal_title：Phytochemistry

authors： Máximo P,Lourenço A,Tei A,Wink M

更新日期：2006-09-01 00:00:00

abstract：:Petunia hybrida and Citrus paradisi have significantly different flavonoid accumulation patterns. Petunia sp. tend to accumulate flavonol glycosides and anthocyanins while Citrus paradisi is known for its accumulation of flavanone diglycosides. One possible point of regulation of flavanone metabolism is flavanone 3-hy...

journal_title：Phytochemistry

authors： Pelt JL,Downes WA,Schoborg RV,McIntosh CA

更新日期：2003-09-01 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：:A dynamic model for plant cell and hairy root primary metabolism is presented. The model includes nutrient uptake (Pi, sugars, nitrogen sources), the glycolysis and pentose phosphate pathways, the TCA cycle, amino acid biosynthesis, respiratory chain, biosynthesis of cell building blocks (structural hexoses, organic a...

journal_title：Phytochemistry

authors： Cloutier M,Perrier M,Jolicoeur M

更新日期：2007-08-01 00:00:00

abstract：:Carrageenans extracted from gametophytic and sporophytic Chondrus crispus were analysed by hydrolysis, KCl fractionation and 1H NMR spectroscopy. The carrageenan from gametophytic plants is composed predominantly of two KCl insoluble fractions which contain kappa-carrageenan as the major component with 1-carrageenan a...

journal_title：Phytochemistry

authors： Matsuhiro B,Urzua CC

更新日期：1992-02-01 00:00:00

abstract：:Despite evidence that lignin associates under both aqueous and organic media, the magnitude and nature of the underlying driving forces are still a matter of discussion. The present paper addresses this issue by examining both solution properties and size exclusion behaviour of lignins isolated from five different spe...

journal_title：Phytochemistry

authors： Guerra A,Gaspar AR,Contreras S,Lucia LA,Crestini C,Argyropoulos DS

更新日期：2007-10-01 00:00:00

abstract：:Profiles of terpenoid glycoside metabolites in glandular trichomes of Solanum habrochaites LA1777 leaves were generated using ultrahigh performance liquid chromatography/time-of-flight mass spectrometry with multiplexing of non-selective collision-induced dissociation (CID). Profiling data suggested a diverse group of...

journal_title：Phytochemistry

authors： Ekanayaka EA,Li C,Jones AD

更新日期：2014-02-01 00:00:00

abstract：:Cyanogenic glucosides are phytoanticipins known to be present in more than 2500 plant species. They are considered to have an important role in plant defense against herbivores due to bitter taste and release of toxic hydrogen cyanide upon tissue disruption. Some specialized herbivores, especially insects, preferentia...

journal_title：Phytochemistry

authors： Zagrobelny M,Bak S,Rasmussen AV,Jørgensen B,Naumann CM,Lindberg Møller B

更新日期：2004-02-01 00:00:00

abstract：:The genus Verbascum L. (mulleins) comprises of about 360 species of flowering plants in the Scrophulariaceae family. Mulleins have been used in the traditional folk medicine for centuries, for treatment of a wide range of human ailments, inter alia bronchitis, tuberculosis, asthma, and different inflammations. Despite...

journal_title：Phytochemistry

authors： Georgiev MI,Ali K,Alipieva K,Verpoorte R,Choi YH

更新日期：2011-11-01 00:00:00

abstract：:Non-targeted LC-MS metabolomics on fruit of three wild and domesticated apple species (Malus sylvestris, M. sieversii and M. domestica) showed that two crab apple (M. sylvestris) accessions were distinguished by high concentrations of an ascorbic acid glycoside (AAG). This was partly purified, but key NMR signals were...

journal_title：Phytochemistry

authors： Richardson AT,Cho J,McGhie TK,Larsen DS,Schaffer RJ,Espley RV,Perry NB

更新日期：2020-05-01 00:00:00

abstract：:In a chemotaxonomic survey of 57 Pelargonium species, leaf exudate flavonoids were detected in 35% of the sample, mostly in trace amounts. However, chrysin and a related C-methylflavanone were identified as major leaf surface constituents of P. crispum, and a mixture of quercetin and kaempferol mono-, and di- and trim...

journal_title：Phytochemistry

authors： Williams CA,Harborne JB,Newman M,Greenham J,Eagles J

更新日期：1997-12-01 00:00:00

abstract：:Four tetracyclic oxindole alkaloids, 7(R)- and 7(S)-geissoschizol oxindole (1 and 2), 7(R),16(R)- and 7(S),16(R)-19(E)-isositsirikine oxindole (3 and 4), in addition to a taberpsychine derivative, N(4)-demethyltaberpsychine (5), were isolated from the Malayan Tabernaemontana corymbosa and the structures were establish...

journal_title：Phytochemistry

authors： Lim KH,Sim KM,Tan GH,Kam TS

更新日期：2009-06-01 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：: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：:In recent years, different classes of proteins have been reported to promote toxic effects when ingested. Type-2 ribosome-inactivating proteins (RIPs) are a group of chimeric proteins built up of an A-chain with RNA N-glycosidase activity and a B-chain with lectin activity. These proteins are thought to play a role in...

journal_title：Phytochemistry

authors： Shahidi-Noghabi S,Van Damme EJ,Smagghe G

更新日期：2008-12-01 00:00:00

abstract：:Cutinized and suberized cell walls form physiological important plant-environment interfaces as they act as barriers limiting water and nutrient loss and protect from radiation and invasion by pathogens. Due to the lack of protocols for the isolation and analysis of cutin and suberin in Arabidopsis, the model plant fo...

journal_title：Phytochemistry

authors： Franke R,Briesen I,Wojciechowski T,Faust A,Yephremov A,Nawrath C,Schreiber L

更新日期：2005-11-01 00:00:00

abstract：:The formation of the fruit body represents the final phase of the ectomycorrhizal fungus T. borchii life cycle. Very little is known concerning the molecular and biochemical processes involved in the fructification phase. 2-DE maps of unripe and ripe ascocarps revealed different protein expression levels and the compa...

journal_title：Phytochemistry

authors： Pierleoni R,Buffalini M,Vallorani L,Guidi C,Zeppa S,Sacconi C,Pucci P,Amoresano A,Casbarra A,Stocchi V

更新日期：2004-04-01 00:00:00