Isoflavones and anti-inflammatory constituents from the fruits of Psoralea corylifolia.

abstract：:Five 3,4-seco-cycloartane triterpenoids were isolated from the stems of Kadsura ananosma, two of which had rearranged 5/6 consecutive carbocycle rings C/D (trivially named ananosins A (1) and B (2)), one had a migrated CH3-18 (named ananosins C (3)), and two were analogs, ananosins D (4) and E (5). Their structures we...

journal_title：Phytochemistry

authors： Yang JH,Pu JX,Wen J,Li XN,He F,Su J,Li Y,Sun HD

更新日期：2015-01-01 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 series of 3α,5-cycloandrostane analogues with a range of functionality (6α and 6β alcohols and ketone) at carbon 6 were tested in the endogenous lactonization pathway in Aspergillus tamarii KITA. This metabolic route converts progesterone to testololactone in high yield through a four step enzymatic pathway. To date...

journal_title：Phytochemistry

authors： Hunter AC,Patel S,Dedi C,Dodd HT,Bryce RA

更新日期：2015-11-01 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：:Three abietane diterpenoid dimers, bisprioterones A-C (1-3), were isolated from roots of the Chinese folk medicinal plant Salvia prionitis Hance (Labiatae). Compounds 1-3 possessed two different abietane diterpenoid skeleta, which were linked via either a C-C single bond (1 and 2) or an ether bridge (3). Their structu...

journal_title：Phytochemistry

authors： Xu J,Chang J,Zhao M,Zhang JS

更新日期：2006-04-01 00:00:00

abstract：:Five previously undescribed monoterpenoid indole alkaloids were isolated from the roots of Gelsemium elegans. Their structures with absolute configurations were elucidated by HRESIMS, X-ray diffraction, ECD spectra, and molecular modeling. 19,20-Epoxyhumantenine is a humantenine-type alkaloid with an epoxypropyl group...

journal_title：Phytochemistry

authors： Sun MX,Cui Y,Li Y,Meng WQ,Xu QQ,Zhao J,Lu JC,Xiao K

更新日期：2019-06-01 00:00:00

abstract：:The twigs of Dorstenia prorepens furnished the digeranylated chalcone, 5,3'-(3,7-dimethyl-2,6-octadienyl)-3,4, 2',4'-tetrahydroxychalcone while Dorstenia zenkeri yielded the 3',4'-(3-hydroxy-2,2-dimethyldihydropyrano)-4,2'-dihydroxychalcone and a bichalcone. 4-Hydroxylonchocarpin was found in both plants. D. prorepens...

journal_title：Phytochemistry

authors： Abegaz BM,Ngadjui BT,Dongo E,Ngameni B,Nindi MN,Bezabih M

更新日期：2002-04-01 00:00:00

abstract：:Investigations of the stem and root bark of Myrica arborea (Myricaceae) have yielded two novel diarylheptanoids, myricarborin and 11-O-beta-D-xylopyranosylmyricanol along with the known myricanol and 5-O-beta-D-glucopyranosylmyricanol. The structures of the novel compounds were determined by spectroscopic methods. ...

journal_title：Phytochemistry

authors： Tene M,Wabo HK,Kamnaing P,Tsopmo A,Tane P,Ayafor JF,Sterner O

更新日期：2000-08-01 00:00:00

abstract：:A flavonoid trioside and its coumaryl ester together with seven known flavonoids and five phenolic acids were isolated from the leaves of Reseda muricata. Their structures were elucidated by spectroscopic methods including UV, FAB MS, 1H, 13C and 2D-NMR, DEPT, HMBC and HMQC experiments. The two compounds were identifi...

journal_title：Phytochemistry

authors： El-Sayed NH,Omara NM,Yousef AK,Farag AM,Mabry TJ

更新日期：2001-06-01 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：:The multitude of terpene carbon skeletons in plants is formed by enzymes known as terpene synthases. This review covers the monoterpene and sesquiterpene synthases presenting an up-to-date list of enzymes reported and evidence for their ability to form multiple products. The reaction mechanisms of these enzyme classes...

journal_title：Phytochemistry

authors： Degenhardt J,Köllner TG,Gershenzon J

更新日期：2009-10-01 00:00:00

abstract：:Coumarins and meroterpene from the fruits of Cullen corylifolium were evaluated for their ability to bind and activate human estrogen receptor α (hERα) by a combination of in vitro studies and molecular dynamics simulations. The recombinant hERα ligand binding domain (hERα-LBD) was produced in BL21 (DE3)pLysS and the ...

journal_title：Phytochemistry

authors： Zhang T,Zhong S,Hou L,Li T,Xing X,Guan T,Zhang J,Wang Y

更新日期：2018-08-01 00:00:00

abstract：:Six coumarins have been isolated from the fruits and the stem bark of Calophyllum dispar (Clusiaceae). The structures of these minor components were established by means of spectroscopic analysis, including extensive 2D NMR studies. Some of these coumarins exhibited a significant cytotoxic activity against KB cells. ...

journal_title：Phytochemistry

authors： Guilet D,Séraphin D,Rondeau D,Richomme P,Bruneton J

更新日期：2001-10-01 00:00:00

abstract：:Four dimeric chalcone derivatives, 8″,9″-dihydrowelwitschin H, uvarins A-C, a naphthalene derivative, 2-hydroxy-3-methoxy-6-(4'- hydroxyphenyl)naphthalene, and the known dimeric chalcones, dependensin and welwitschin E, flavonoids, a cyclohexane oxide derivative, an aromatic aldehyde were isolated from the roots of Uv...

journal_title：Phytochemistry

authors： Salae AW,Chairerk O,Sukkoet P,Chairat T,Prawat U,Tuntiwachwuttikul P,Chalermglin P,Ruchirawat S

更新日期：2017-03-01 00:00:00

abstract：:The dichloromethane extract of the wood of Carissa lanceolata R.Br. (Apocynaceae) afforded the eudesmanes carissone, dehydrocarissone and carindone. This is the first account of carissone being isolated from the wood of C. lanceolata, and of carindone being isolated from this Carissa species. Dehydrocarissone has not ...

journal_title：Phytochemistry

authors： Lindsay EA,Berry Y,Jamie JF,Bremner JB

更新日期：2000-11-01 00:00:00

abstract：:The enzymology of anthranilate synthase (EC 5.4.99.6) in microorganisms and plants is reviewed. Aminoacid sequences of the enzyme subunits in different species are compared, and the mechanism of reaction is discussed. ...

journal_title：Phytochemistry

authors： Romero RM,Roberts MF,Phillipson JD

更新日期：1995-05-01 00:00:00

abstract：:Bioguided-fractionation of an acetone extract of the roots of Salvia cilicica (Lamiaceae) led to isolation of two new diterpenes, 7-hydroxy-12-methoxy-20-nor-abieta-1,5(10),7,9,12-pentaen-6,14-dione and abieta-8,12-dien-11,14-dione (12-deoxy-royleanone), together with oleanolic acid, ursolic acid, ferruginol, inuroyol...

journal_title：Phytochemistry

authors： Tan N,Kaloga M,Radtke OA,Kiderlen AF,Oksüz S,Ulubelen A,Kolodziej H

更新日期：2002-12-01 00:00:00

abstract：:A total of 80 individuals collected from eight populations growing wild in different geographic zones were considered to assess the intraspecific variability of essential oil composition, genetic diversity and population structure of Artemisia herba-alba. The essential oil composition varied significantly between popu...

journal_title：Phytochemistry

authors： Younsi F,Rahali N,Mehdi S,Boussaid M,Messaoud C

更新日期：2018-04-01 00:00:00

abstract：:Cistus creticus L., an aromatic species from the Mediterranean area, contains various diterpenes bearing the labdane skeleton. The production of essential oil from this species has potential economic value, but so far, it has not been optimized. In order to contribute to a better knowledge of this species and to its d...

journal_title：Phytochemistry

authors： Paolini J,Falchi A,Quilichini Y,Desjobert JM,Cian MC,Varesi L,Costa J

更新日期：2009-06-01 00:00:00

abstract：:From the roots of Bupleurum wenchuanense 14 derivatives of saikosaponin were isolated and identified as 2"-O-beta-D-xylopyranosylsaikosaponin b2, 3",6"-O O-diacetylsaikosaponin b2, 2"-O-beta-D-glucopyranosylsaikosaponin b2, saikosaponin b2, 6"-O-acetylsaikosaponin b2, saikosaponin d, 2"-O-acetylsaikosaponin d, 3"-O-ac...

journal_title：Phytochemistry

authors： Luo SQ,Lin LZ,Cordell GA

更新日期：1993-07-01 00:00:00

abstract：:We have studied the uptake of [3H]-medicarpin and its glutathione conjugate(s) into vacuolar membrane vesicles from etiolated hypocotyls of mung bean (Vigna radiata). Unconjugated medicarpin is taken up at a low rate in the presence or absence of MgATP. However, [3H]-medicarpin-glutathione conjugate(s), prepared by in...

journal_title：Phytochemistry

authors： Li ZS,Alfenito M,Rea PA,Walbot V,Dixon RA

更新日期：1997-06-01 00:00:00

abstract：:Lignin is a complex polymer formed by the oxidative polymerization of hydroxycinnamyl alcohol derivatives termed monolignols. The major monolignols in dicotyledonous angiosperm lignin are monomethylated guaiacyl (G) units derived from coniferyl alcohol, and dimethylated syringyl (S) units derived from sinapyl alcohol....

journal_title：Phytochemistry

authors： Dixon RA,Chen F,Guo D,Parvathi K

更新日期：2001-08-01 00:00:00

abstract：:3β-Hydroxy-5β-cholestan-6-one was identified in the EtOAc extract of Ajuga hairy roots by micro-analysis using LC-MS/MS in the multiple reaction mode (MRM). Furthermore, administration of (2,2,4,4,7,7-(2)H6)- and (2,2,4,4,6,7,7-(2)H7)-cholesterols to the hairy roots followed by LC-MS/MS analysis of the EtOAc extract o...

journal_title：Phytochemistry

authors： Fujimoto Y,Maeda I,Ohyama K,Hikiba J,Kataoka H

更新日期：2015-03-01 00:00:00

abstract：:To search for bioactive gypenosides and their analogues, a saponin enriched fraction and its hydrolyzate from Gynostemma pentaphyllum were phytochemically investigated. Fractionation by diverse chromatographic methods, including HPLC, Sephadex LH-20, silica gel, and C18 reverse phase silica gel, led to the isolation a...

journal_title：Phytochemistry

authors： Wang J,Ha TKQ,Shi YP,Oh WK,Yang JL

更新日期：2018-11-01 00:00:00

abstract：:Epoxide hydrolases (EH, EC 3.3.2.3) have been proposed to be key enzymes in the biosynthesis of polyether (PE) ladder compounds such as the brevetoxins which are produced by the dinoflagellate Karenia brevis. These enzymes have the potential to catalyze kinetically disfavored endo-tet cyclization reactions. Data minin...

journal_title：Phytochemistry

authors： Sun P,Leeson C,Zhi X,Leng F,Pierce RH,Henry MS,Rein KS

更新日期：2016-02-01 00:00:00

abstract：:The glucosinolate content of various organs of the model plant Arabidopsis thaliana (L.) Heynh., Columbia (Col-0) ecotype, was analyzed at different stages during its life cycle. Significant differences were noted among organs in both glucosinolate concentration and composition. Dormant and germinating seeds had the h...

journal_title：Phytochemistry

authors： Brown PD,Tokuhisa JG,Reichelt M,Gershenzon J

更新日期：2003-02-01 00:00:00

abstract：:Phenolic composition of Ambrosia artemisiifolia L. pollen and sub-pollen particles (SPP) aqueous extracts was determined, using a novel extraction procedure. Total phenolic and flavonoid content was determined, as well as the antioxidative properties of the extract. Main components of water-soluble pollen phenolics ar...

journal_title：Phytochemistry

authors： Mihajlovic L,Radosavljevic J,Burazer L,Smiljanic K,Cirkovic Velickovic T

更新日期：2015-01-01 00:00:00

abstract：:The CH(2)Cl(2) extract of dried leaves of Helianthus annuus L. cv. Peredovick(R) has yielded, in addition to the known sesquiterpene lactones annuolide E and leptocarpin, and the sesquiterpenes heliannuols A, C, D, F, G, H, I, the new bisnorsesquiterpene, annuionone E, and the new sesquiterpenes heliannuol L, helibisa...

journal_title：Phytochemistry

authors： Macías FA,Torres A,Galindo JL,Varela RM,Alvarez JA,Molinillo JM

更新日期：2002-11-01 00:00:00

abstract：:A broad-based characterisation of a pharmacologically active dichloromethane extract from Isatis tinctoria leaves was carried out. For a comprehensive picture we also included the polar constituents of I. tinctoria (MeOH extract) and for comparative purposes, the taxonomically closely related plant I. indigotica. Diod...

journal_title：Phytochemistry

authors： Mohn T,Plitzko I,Hamburger M

更新日期：2009-05-01 00:00:00

abstract：:In a chemosystematic investigation of tribe Veroniceae (Plantaginaceae), representatives of Camptoloma, Sibthorpia, Veronica subg. Pentasepalae and subg. Hebe, Veronicastrum, Wulfenia, and the related Ellisiophyllum and Globularia were examined for non-flavonoid glycosides. From the 14 species studied, 28 different ir...

journal_title：Phytochemistry

authors： Taskova RM,Gotfredsen CH,Jensen SR

更新日期：2006-02-01 00:00:00