Furostanol glycosides from bulbs of Allium chinense.

abstract：:An extract of leaves and stems of Peperomia villipetiola has been found to contain myristicin (3-methoxy-4,5-methylenedioxy-allylbenzene) and seven chromenes, whose structures are methyl 5-hydroxy-7-methyl-2,2-dimethyl-2H-1-chromene-6-carboxylate (1), methyl 5-methoxy-7-methyl-2,2-dimethyl-2H-1-chromene-8-carboxylate ...

journal_title：Phytochemistry

authors： Malquichagua Salazar KJ,Delgado Paredes GE,Lluncor LR,Young MC,Kato MJ

更新日期：2005-03-01 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：:From the petroleum ether extract of the rhizomes of Tamus communis, the 7-hydroxy-2,3,4,8-tetramethoxyphenanthrene (1) was isolated, together with the known 2,3,4-trimethoxy-7,8-methylenedioxyphenanthrene (2), 3-hydroxy-2,4,-dimethoxy-7,8-methylenedioxyphenanthrene (3), 2-hydroxy-3,5,7-trimethoxyphenanthrene (4) and 2...

journal_title：Phytochemistry

authors： Kovács A,Forgo P,Zupkó I,Réthy B,Falkay G,Szabó P,Hohmann J

更新日期：2007-03-01 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：:Fomannoxin is a biologically active benzohydrofuran, which has been suggested to be involved in the pathogenicity of the root rotting fungus Heterobasidion annosum sensu lato. The biosynthesis of fomannoxin was investigated through an isotopic enrichment study utilizing [1-¹³C]glucose as metabolic tracer. ¹³C NMR spec...

journal_title：Phytochemistry

authors： Hansson D,Menkis A,Olson K,Stenlid J,Broberg A,Karlsson M

更新日期：2012-12-01 00:00:00

abstract：:Artemisinin was derivatized to dihydroartemisinin carboxymethylether in three steps, without disturbing the peroxide bridge, and then linked to either thyroglobulin (TGB) or bovine serum albumin (BSA). The artemisinin-TGB and -BSA conjugates were injected in female New Zealand rabbits but only the artemisinin-TGB conj...

journal_title：Phytochemistry

authors： Ferreira JF,Janick J

更新日期：1996-01-01 00:00:00

abstract：:Prenylation reactions contribute considerably to the diversity of natural products. Polyprenylated secondary metabolites include hyperforin which is both quantitatively and pharmacologically a major constituent of the medicinal plant Hypericum perforatum (St. John's wort). Cell cultures of the related species Hypericu...

journal_title：Phytochemistry

authors： Boubakir Z,Beuerle T,Liu B,Beerhues L

更新日期：2005-01-01 00:00:00

abstract：:The dichloromethane extract from leaves of Dictyoloma vandellianum afforded five alkaloids 2-(14'-hydroxy-14',15'-dimethylhexadecanyl)-4-quinolone, 2-(12'-hydroxy-12'-methyltridecanyl)-3-methoxy-4-quinolone, 2-(12'-hydroxy-12'-methyltridecanyl)-4-quinolone, 2-(14'-hydroxy-14',15'-dimethylhexadecanyl)-3-methoxy-4-quino...

journal_title：Phytochemistry

authors： Sartor CF,da Silva MF,Fernandes JB,Vieira PC,Fo ER,Garcia Cortez DA

更新日期：2003-05-01 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 dichapetalins named dichapetalins N-S were isolated from Dichapetalum mombuttense, Dichapetalum zenkeri and Dichapetalum leucosia. They were accompanied in the same plants by the known dichapetalins A, B, C, I, L and M. The structures of the compounds were elucidated by 1D and 2D NMR experiments and mass spectrome...

journal_title：Phytochemistry

authors： Long C,Aussagues Y,Molinier N,Marcourt L,Vendier L,Samson A,Poughon V,Chalo Mutiso PB,Ausseil F,Sautel F,Arimondo PB,Massiot G

更新日期：2013-10-01 00:00:00

abstract：:In the course of our continuing exploration for novel bioactive lead compounds (s) from the species Boswellia, we have recently reported incensole derivatives isolated from Boswellia papyrifera Hochst. Given the known antidepressant-like effects of incensole and incensole acetate, we herein present that the low dose i...

journal_title：Phytochemistry

authors： Al-Harrasi A,Khan A,Rehman NU,Al-Shidhani S,Karim N,Khan I,Halim SA,Al-Rawahi A,Hussain J,Csuk R

更新日期：2019-07-01 00:00:00

abstract：:From dengue to herpes and influenza to AIDS, the phytoestrogens that are present in many fruits and vegetables have been shown to exert anti-viral properties. Here we review the various different anti-viral mechanisms employed by phytoestrogens. ...

journal_title：Phytochemistry

authors： Martin JH,Crotty S,Warren P,Nelson PN

更新日期：2007-02-01 00:00:00

abstract：:Gynostemma pentaphyllum is a popular functional food, and it is also used as a traditional medicine in Asia. In this study, five previously undescribed triterpenes, gypensapogenin M, gypensapogenin N, gypensapogenin O, gypensapogenin P, and gypensapogenin Q, together with five known compounds were isolated from the hy...

journal_title：Phytochemistry

authors： Zhang X,Shi G,Sun Y,Wu X,Zhao Y

更新日期：2017-12-01 00:00:00

abstract：:A series of prenylated flavonoids was obtained from antigenotoxic extracts and fractions of stem bark of Erythrina latissima E. Mey (Leguminosae). In addition to five constituents never reported before, i.e. (2S)-5,7-dihydroxy-2-(4-hydroxy-2-(prop-1-en-2-yl)-2,3-dihydrobenzofuran-6-yl)chroman-4-one (erylatissin D), (2...

journal_title：Phytochemistry

authors： Zarev Y,Foubert K,Lucia de Almeida V,Anthonissen R,Elgorashi E,Apers S,Ionkova I,Verschaeve L,Pieters L

更新日期：2017-09-01 00:00:00

abstract：:The role and fate of Jasmonoyl-Phenylalanine (JA-Phe), an understudied conjugate in the jasmonate pathway remain to be unraveled. We addressed here the possibility of JA-Phe oxidative turnover by cytochrome P450s of the CYP94 family. Leaf wounding or fungal infection in Arabidopsis resulted in accumulation of JA-Phe, ...

journal_title：Phytochemistry

authors： Widemann E,Grausem B,Renault H,Pineau E,Heinrich C,Lugan R,Ullmann P,Miesch L,Aubert Y,Miesch M,Heitz T,Pinot F

更新日期：2015-09-01 00:00:00

abstract：:Five pregnane glycosides were isolated from Caralluma tuberculata (1-5), in addition to a known one (russelioside E, 6). The structures of the isolated compounds were elucidated by the analysis of NMR data and FAB-MS experiments. All the isolated compounds were tested for their antimalarial and antitrypanosomal activi...

journal_title：Phytochemistry

authors： Abdel-Sattar E,Harraz FM,Al-ansari SM,El-Mekkawy S,Ichino C,Kiyohara H,Ishiyama A,Otoguro K,Omura S,Yamada H

更新日期：2008-08-01 00:00:00

abstract：:As a basis for future investigations of evolutionary trajectories and biosynthetic mechanisms underlying variations in glucosinolate structures, we screened members of the crucifer tribe Cardamineae by HPLC-MS/MS, isolated and identified glucosinolates by NMR, searched the literature for previous data for the tribe, a...

journal_title：Phytochemistry

authors： Olsen CE,Huang XC,Hansen CIC,Cipollini D,Ørgaard M,Matthes A,Geu-Flores F,Koch MA,Agerbirk N

更新日期：2016-12-01 00:00:00

abstract：:Thirty-three phenolic compounds were identified from the extract of fermented tea (Camellia sinensis L.), including three undescribed flavonoids, namely quamoreokchaside I-II and kamoreokchaside I, along with thirty known compounds. All isolates were tested to evaluate their inhibitory effects against amyloid-beta (Aβ...

journal_title：Phytochemistry

authors： Rho T,Choi MS,Jung M,Kil HW,Hong YD,Yoon KD

更新日期：2019-04-01 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：: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：:Two polyphenol oxidase isoforms with distinct expression patterns were identified in hybrid poplar (Populus trichocarpaxP. deltoides). PPO-1, corresponding to the previously cloned PtdPPO (Constabel et al., Plant Physiol. 124: 285-295) was primarily leaf tissue-specific and detected only after wounding. PPO-2 was expr...

journal_title：Phytochemistry

authors： Wang J,Constabel CP

更新日期：2003-09-01 00:00:00

abstract：:Sugarcane neutral invertase (SNI) has been partially purified from mature sugarcane stem tissue to remove any potential competing activity. The enzyme is non-glycosylated and exhibits catalytic activity as a monomer, dimer and tetramer, most of the activity elutes as a monomer of native M(r) ca 60 k. The enzyme displa...

journal_title：Phytochemistry

authors： Vorster DJ,Botha FC

更新日期：1998-10-01 00:00:00

abstract：:The essential oils isolated from leaves of ten and from unripe berries of eight populations of Laurus azorica (Seub.) Franco, collected on five islands of the Azorean archipelago, were analysed by GC and GC-MS. All oil samples were dominated by their monoterpene fraction (60-94%), alpha-pinene (15-37%) and 1,8-cineole...

journal_title：Phytochemistry

authors： Pedro LG,Santos PA,da Silva JA,Figueiredo AC,Barroso JG,Deans SG,Looman A,Scheffer JJ

更新日期：2001-05-01 00:00:00

abstract：:A combination of high-resolution mass spectrometry and modern HPLC column technology, assisted by diode array detection, was used for accurate characterization of water-soluble polyphenolic compounds in the pistils, stamens, petals, sepals, stems, leaves, roots and seeds of Geranium sylvaticum. The organs contained a ...

journal_title：Phytochemistry

authors： Tuominen A,Toivonen E,Mutikainen P,Salminen JP

更新日期：2013-11-01 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：:Two unusual triterpenoids, (24S)-24-methyl-25,32-cyclo-5alpha-lanosta-9(11)-en-3beta-ol and (24S)-24-methyl-25,32-cyclo-cycloartane-3beta-ol, were isolated from leaves of Pandanus boninensis along with known triterpenoids and lignans. Their structures were established on the basis of spectroscopic methods and X-ray an...

journal_title：Phytochemistry

authors： Inada A,Ikeda Y,Murata H,Inatomi Y,Nakanishi T,Bhattacharyya K,Kar T,Bocelli G,Cantoni A

更新日期：2005-12-01 00:00:00

abstract：:S-limonene synthase is a model monoterpene synthase that cyclizes geranyl pyrophosphate (GPP) to form S-limonene. It is a relatively specific enzyme as the majority of its products are composed of limonene. In this study, we converted it to pinene or phellandrene synthases after introducing N345A/L423A/S454A or N345I ...

journal_title：Phytochemistry

authors： Xu J,Ai Y,Wang J,Xu J,Zhang Y,Yang D

更新日期：2017-05-01 00:00:00

abstract：:Microbial transformations of various steroids are reviewed. Developmental studies on immobilization of microbial cells, techniques for selective transformation and better yields of desired metabolites are highlighted. The present position of microbial biotechnology in the steroid drug industry and the future prospects...

journal_title：Phytochemistry

authors： Mahato SB,Majumdar I

更新日期：1993-11-01 00:00:00

abstract：:Eleven triterpenoid saponins were isolated from the roots of Gypsophila trichotoma Wender. (G. trichotoma Wender. var. trichotoma) (Caryophyllaceae), together with one known compound. The structures were established on the basis of extensive NMR analysis ((1)H, (13)C NMR, COSY, TOCSY, ROESY, HSQC, and HMBC), completed...

journal_title：Phytochemistry

authors： Voutquenne-Nazabadioko L,Gevrenova R,Borie N,Harakat D,Sayagh C,Weng A,Thakur M,Zaharieva M,Henry M

更新日期：2013-06-01 00:00:00

abstract：:Sixteen previously undescribed lanostane-type triterpenoids (1-16), together with fourteen known compounds, were isolated from cultivated fruiting bodies of the basidiomycete Ganoderma casuarinicola, a recently described species. The structures were elucidated on the basis of NMR spectroscopic and mass spectrometry da...

journal_title：Phytochemistry

authors： Isaka M,Chinthanom P,Rachtawee P,Choowong W,Choeyklin R,Thummarukcharoen T

更新日期：2020-02-01 00:00:00