4alpha-methyl-24beta-ethyl-5alpha-cholesta-14,25-dien-3beta-ol and 24beta-ethylcholesta-5, 9(11), 22E-trien-3beta-ol, sterols from Clerodendrum inerme.

abstract：:Five tirucallane-type triterpenes were isolated along with nine known triterpenes from the bark of Juliania adstringens. The structures of the five triterpenes were determined by analysis of their 1H and 13C NMR and mass spectral data, and each compound exhibited growth inhibitory activity against leukemia cells (L-12...

journal_title：Phytochemistry

authors： Makino M,Motegi T,Fujimoto Y

更新日期：2004-04-01 00:00:00

abstract：:Three flavonoids and three saponins have been isolated from Oxytropis species. Their structures were determined as isorhamnetin-3-O-beta-D-glucoside, rhamnetin-3-O-beta-D-galactoside, apigenin, 3-O-[alpha-L-rhamnopyranosyl (1----2)-beta-D-glucopyranosyl(1----4)-beta-D-glucuronopyranosyl]+ ++soyasapogenol B, 3-O-[beta-...

journal_title：Phytochemistry

authors： Sun RQ,Jia ZJ,Cheng DL

更新日期：1991-01-01 00:00:00

abstract：:Herbivory and wounding upregulate a large suite of defense genes in hybrid poplar leaves. A strongly wound- and herbivore-induced gene with high similarity to Arabidopsis vegetative storage proteins (VSPs) and acid phosphatase (AP) was identified among genes strongly expressed during the poplar herbivore defense respo...

journal_title：Phytochemistry

authors： Veljanovski V,Major IT,Patton JJ,Bol E,Louvet S,Hawkins BJ,Constabel CP

更新日期：2010-04-01 00:00:00

abstract：:The combination of the hyphenated techniques LC-MS and LC-SPE-NMR constitutes a powerful platform for the rapid isolation and identification of minor components from natural sources. Electronic circular dichroism (ECD) is a useful tool to determine the absolute configuration of small quantities of chiral molecules. In...

journal_title：Phytochemistry

authors： Xu YJ,Foubert K,Dhooghe L,Lemière F,Maregesi S,Coleman CM,Zou Y,Ferreira D,Apers S,Pieters L

更新日期：2012-07-01 00:00:00

abstract：:An in vitro aggregation of washed lutoid membrane and rubber particles, respectively, prepared from the bottom (lutoid) fraction and rubber layer of centrifuged fresh latex, leading to the formation of rubber coagulum necessary for a latex coagulation was demonstrated. A Triton X-100 extract of washed lutoid membrane ...

journal_title：Phytochemistry

authors： Wititsuwannakul R,Pasitkul P,Kanokwiroon K,Wititsuwannakul D

更新日期：2008-01-01 00:00:00

abstract：:Alkaline nitrobenzene oxidation, ozonation and methoxyl content determinations were applied to decomposing leaf litter of Ginkgo biloba L., Cinnamomum camphora sieb., Zelkova serrata Makino and Firmiana simplex W. F. Wight, respectively, during mulching to investigate the properties and estimate changes in lignin comp...

journal_title：Phytochemistry

authors： Jin Z,Akiyama T,Chung BY,Matsumoto Y,Iiyama K,Watanabe S

更新日期：2003-11-01 00:00:00

abstract：:Among the four cold shock domain proteins (CSDPs) identified in Arabidopsis thaliana, it has recently been shown that CSDP1 harboring seven CCHC-type zinc fingers, but not CSDP2 harboring two CCHC-type zinc fingers, function as a RNA chaperone during cold adaptation. However, the structural features relevant to this d...

journal_title：Phytochemistry

authors： Park SJ,Kwak KJ,Jung HJ,Lee HJ,Kang H

更新日期：2010-04-01 00:00:00

abstract：:Plants are attacked by many different herbivores. Some will consume whole leaves or roots, while others will attack specific types of tissue. Thus, insight into the metabolite profiles of different types of leaf tissues is necessary to understand plant resistance against herbivores. Jacobaea vulgaris, J. aquatica and ...

journal_title：Phytochemistry

authors： Nuringtyas TR,Choi YH,Verpoorte R,Klinkhamer PG,Leiss KA

更新日期：2012-06-01 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：:A new sweet triterpene glycoside, periandrin V, was isolated from the roots of Periandra dulcis and identified as 3 beta-O-[beta-D-xylopyranosyl-(1-->2)-beta-D-glucuronopyranosyl]-25 -al-olean-18(19)-en-30-oic acid on the basis of chemical and spectral evidence. The structure of an acid-rearranged product of periandri...

journal_title：Phytochemistry

authors： Suttisri R,Chung MS,Kinghorn AD,Sticher O,Hashimoto Y

更新日期：1993-09-01 00:00:00

abstract：:A structure-activity relationships study was conducted assaying 15 natural analogues and derivatives belonging to two groups of organic compounds, nonenolides and cytochalasins, for their toxicity against the composite perennial weeds Cirsium arvense and Sonchus arvensis occurring through the temperate region of world...

journal_title：Phytochemistry

authors： Berestetskiy A,Dmitriev A,Mitina G,Lisker I,Andolfi A,Evidente A

更新日期：2008-02-01 00:00:00

abstract：:Chemical investigation of the vines and leaves of Momordica charantia resulted in isolation of fourteen cucurbitane triterpenoids, kuguacins F-S (1-14), including two pentanorcucurbitacins (6 and 7), one octanorcucurbitacin (8), and two trinorcucurbitacins (11 and 12), along with six known analogues. Their structures ...

journal_title：Phytochemistry

authors： Chen JC,Liu WQ,Lu L,Qiu MH,Zheng YT,Yang LM,Zhang XM,Zhou L,Li ZR

更新日期：2009-01-01 00:00:00

abstract：:Seed oil from castor bean (Ricinus communis) contains high amounts of hydroxy fatty acid rich triacylglycerols (TAGs) that can serve as raw material for production of bio-based products such as nylon, cosmetics, lubricants, foams, and surfactants. Diacylglycerol acyltransferase (DGAT) catalyses the terminal reaction i...

journal_title：Phytochemistry

authors： Kroon JT,Wei W,Simon WJ,Slabas AR

更新日期：2006-12-01 00:00:00

abstract：:Six new iridoids, 6-O-alpha-L-(2"-O-, 3"-O-, 4"-O-tribenzoyl)rhamnopyranosylcatalpol, 6-O-alpha-L-(2"-O-, 3"-O-dibenzoyl, 4"-O-cis-p-coumaroyl)rhamnopyranosylcatalpol, 6-O-alpha-L-(2"-O-, 3"-O-dibenzoyl, 4"-O-trans-p-coumaroyl)rhamnopyranosylcatalpol, 6-O-alpha-L-(2"-O-benzoyl, 3"-O-trans-p-coumaroyl)rhamnopyranosylca...

journal_title：Phytochemistry

authors： Helfrich E,Rimpler H

更新日期：2000-05-01 00:00:00

abstract：:The effects of sewage sludges were investigated on the symbiotic interactions between the model plant Medicago truncatula and the arbuscular mycorrhizal fungus Glomus mosseae or the rhizobial bacteria Sinorhizobium meliloti. By comparison to a control sludge showing positive effects on plant growth and root symbioses,...

journal_title：Phytochemistry

authors： Bestel-Corre G,Gianinazzi S,Dumas-Gaudot E

更新日期：2004-06-01 00:00:00

abstract：:Aerial parts of Aconitum variegatum L. from the Pyrenees furnished four norditerpene alkaloids, 16 beta-hydroxycardiopetaline, 8-ethoxysachaconitine, 14-acetylgenicunine B, N-deethyl-N-19-didehydrosachaconitine, five diterpene alkaloids 15-veratroyldictizine, 15-veratroyl-17-acetyldictizine, 15-veratroyl-17-acetyl-19-...

journal_title：Phytochemistry

authors： Díaz JG,Ruiza JG,Herz W

更新日期：2005-04-01 00:00:00

abstract：:Eleven benzofuran dimers, (+)-dieupachinins A-E, (-)-dieupachinins A-E and dieupachinin F, a benzofuran trimer trieupachinin A, as well as seven known compounds were isolated from the roots of Eupatorium chinense. The enantiomers of racemates dieupachinins A-E were separated by chiral HPLC. The structures with absolut...

journal_title：Phytochemistry

authors： Wang WJ,Wang L,Liu Z,Jiang RW,Liu ZW,Li MM,Zhang QW,Dai Y,Li YL,Zhang XQ,Ye WC

更新日期：2016-02-01 00:00:00

abstract：:Kudzu (Pueraria lobata) is one of the earliest medicinal plants used in traditional Chinese medicine. It has many profound pharmacological actions including antidipsotropic (antialcohol abuse) activity. Although both the roots and flowers of kudzu, Radix and Flos puerariae, respectively, have been used to treat alcoho...

journal_title：Phytochemistry

authors： Keung WM,Vallee BL

更新日期：1998-02-01 00:00:00

abstract：:Twelve previously undescribed polyketide derivatives, heterocornols A-L, and seven known analogues were isolated from a culture of the fungus Pestalotiopsis heterocornis associated with sponge. Their structures were elucidated by a comprehensive spectroscopic data analysis and CD Cotton effects. These compounds were e...

journal_title：Phytochemistry

authors： Lei H,Lin X,Han L,Ma J,Dong K,Wang X,Zhong J,Mu Y,Liu Y,Huang X

更新日期：2017-10-01 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：:Osteoarthritis (OA) is a major disability of elderly people. Sesamin is the main compound in Sesamun indicum Linn., and it has an anti-inflammatory effect by specifically inhibiting Δ5-desaturase in polyunsaturated fatty acid biosynthesis. The chondroprotective effects of sesamin were thus studied in a porcine cartila...

journal_title：Phytochemistry

authors： Phitak T,Pothacharoen P,Settakorn J,Poompimol W,Caterson B,Kongtawelert P

更新日期：2012-08-01 00:00:00

abstract：:Four new xanthones have been isolated from the roots of Hypericum roeperanum. Their structures have been established by a combination of spectroscopic and chemical methods as 1,6-dihydroxy-5-methoxy-4',5'-dihydro-4',4',5'-trimethylfurano- (2',3':3,4)-xanthone (5-O-methyl-2-deprenylrheediaxanthone B), 1,6-dihydroxy-5-m...

journal_title：Phytochemistry

authors： Rath G,Potterat O,Mavi S,Hostettmann K

更新日期：1996-09-01 00:00:00

abstract：:From the hexane extract of berries of Juniperus excelsa, one new and four known diterpenes were isolated besides a known sesquiterpene. The structures of the known diterpenes were identified as isopimaric, isocommunic, (-)ent-trans communic and sandracopimaric acids, along with the sesquiterpene 4a-hydroxycedrol and t...

journal_title：Phytochemistry

authors： Topçu G,Erenler R,Cakmak O,Johansson CB,Celik C,Chai HB,Pezzuto JM

更新日期：1999-04-01 00:00:00

abstract：:(-)-Sabinene is the major monoterpene produced by a European strain of the liverwort Conocephalum conicum. A cell-free extract from in vitro cultured plants catalysed the cyclization of geranyl diphosphate to sabinene. The responsible monoterpene cyclase was partially purified and characterized as an operationally sol...

journal_title：Phytochemistry

authors： Adam KP,Croteau R

更新日期：1998-09-01 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：: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：:A ring-cleaved sesquiterpene, named seco-laurokamurone, four laurane-type sesquiterpenes, laurepoxyene, 3β-hydroperoxyaplysin, 3α-hydroperoxy-3-epiaplysin, and 8,10-dibromoisoaplysin, one laurokamurane-type sesquiterpene, laurokamurene D, and one bisabolane-type sesquiterpene, (5S)-5-acetoxy-β-bisabolene, have been is...

journal_title：Phytochemistry

authors： Yu XQ,He WF,Liu DQ,Feng MT,Fang Y,Wang B,Feng LH,Guo YW,Mao SC

更新日期：2014-07-01 00:00:00

abstract：:Seven saponins named pithedulosides A-G were isolated from the seeds of Pithecellobium dulce. Their structures were established through spectral analyses as echinocystic acid 3-O-alpha-L-arabinopyranosyl-(1-->6)-beta-D-glucopyranoside, echinocystic acid and oleanolic acid 3-O-alpha-L-arabinopyranosyl- (1-->2)-alpha-L-...

journal_title：Phytochemistry

authors： Nigam SK,Gopal M,Uddin R,Yoshikawa K,Kawamoto M,Arihara S

更新日期：1997-04-01 00:00:00

abstract：:Coumarins exhibit many biological activities and are the main specialised metabolites of Peucedanum praeruptorum Dunn, an important plant used in traditional Chinese medicine. In preliminary studies, we cloned several genes involved in coumarin biosynthesis in P. praeruptorum, such as 4-coumarate: CoA ligase (4CL), p-...

journal_title：Phytochemistry

authors： Sui Z,Luo J,Yao R,Huang C,Zhao Y,Kong L

更新日期：2019-02-01 00:00:00

abstract：:Chemical investigation of a sample of propolis originating from North-Western Cameroon led to the isolation of thirteen alk(en)ylphenols (1-13) (inseparable mixture) along with α-amyrin (14), β-amyrin (15), lupeol (16), cycloartenol (17), mangiferonic acid (18), ambonic acid (19), mangiferolic acid (20), ambolic acid ...

journal_title：Phytochemistry

authors： Kardar MN,Zhang T,Coxon GD,Watson DG,Fearnley J,Seidel V

更新日期：2014-10-01 00:00:00