Odd-numbered very-long-chain polyunsaturated fatty acids from the dinoflagellate Amphidinium carterae identified by atmospheric pressure chemical ionization liquid chromatography-mass spectrometry.

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：:The glycosylation of lipophilic small molecules produces many important plant secondary metabolites. The majority of these are O-glycosides with relatively fewer occurring as glucose esters of aromatic or aliphatic acids. In particular, monoterpene acid glucose esters have much lower structural diversity and distribut...

journal_title：Phytochemistry

authors： Goodger JQ,Woodrow IE

更新日期：2011-12-01 00:00:00

abstract：:Passiflora morifolia, which under natural conditions contains cyanohydrin glucosides linamarin, lotaustralin and epilotaustralin, converted cyclopentanecarbonitrile, 2-cyclopentenecarbonitrile and 3-methylbutanenitrile into the corresponding cyanohydrin glucosides. Turnera angustifolia, which normally produces glucosi...

journal_title：Phytochemistry

authors： Jaroszewski JW,Rasmussen AB,Rasmussen HB,Olsen CE,Jørgensen LB

更新日期：1996-06-01 00:00:00

abstract：:The work herein presents comprehensive analyses of the cuticular wax mixtures covering the flag leaf blade and peduncle of bread wheat (Triticum aestivum) cv. Bethlehem. Overall, Gas Chromatography-Mass Spectrometry and Flame Ionization Detection revealed a wax coverage of flag leaf blades (16 μg/cm(2)) a third that o...

journal_title：Phytochemistry

authors： Racovita RC,Hen-Avivi S,Fernandez-Moreno JP,Granell A,Aharoni A,Jetter R

更新日期：2016-10-01 00:00:00

abstract：:Bioassay-guided fractionation against alpha-glucosidase resulted in isolation and characterization of eight active compounds from the EtOH extract of the seeds of Syagrus romanzoffiana. Of these, seven are stilbenoids, and two of them, 13-hydroxykompasinol A (1) and scirpusin C (4), possess potent inhibitory activity ...

journal_title：Phytochemistry

authors： Lam SH,Chen JM,Kang CJ,Chen CH,Lee SS

更新日期：2008-03-01 00:00:00

abstract：:As part of a project to characterise plant-derived natural products that modulate bacterial multidrug resistance (MDR), bioassay-guided fractionation of a chloroform extract of the aerial parts of Rosmarinus officinalis led to the characterisation of the known abietane diterpenes carnosic acid (1), carnosol (2) and 12...

journal_title：Phytochemistry

authors： Oluwatuyi M,Kaatz GW,Gibbons S

更新日期：2004-12-01 00:00:00

abstract：:The methanolic extract from the flower buds of Prunus mume, cultivated in Zhejiang Province, China, showed an inhibitory effect on melanogenesis in theophylline-stimulated B16 melanoma 4A5 cells. From the methanolic extract, five acylated sucroses, mumeoses A-E, and three acylated quinic acid analogs, 5-O-(E)-p-coumar...

journal_title：Phytochemistry

authors： Nakamura S,Fujimoto K,Matsumoto T,Nakashima S,Ohta T,Ogawa K,Matsuda H,Yoshikawa M

更新日期：2013-08-01 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 secondary metabolite contents and genetic profiles of six Hypericum species (H. barbatum Jacq., H. hirsutum L., H. linarioides Bosse, H. maculatum Crantz, H. rumeliacum Boiss. and H. tetrapterum Fries), collected from different locations in Serbia, have been analyzed. Methanol extracts of the aerial parts of the p...

journal_title：Phytochemistry

authors： Smelcerovic A,Verma V,Spiteller M,Ahmad SM,Puri SC,Qazi GN

更新日期：2006-01-01 00:00:00

abstract：:Five isoflavonoids, 7,4'-dihydroxy-2'-methoxy-8-(gamma,gamma-dimethylallyl)isoflav-3-ene, 4'-hydroxy-2'-methoxy-6",6"-dimethylpyran[2",3":7,8]isoflav-3-ene, 5,7,4'-trihydroxy-2'-methoxy-5'-(gamma,gamma-dimethylallyl)isoflavanone, 5,4'-dihydroxy-7,2'-dimethoxy-5'-(gamma,gamma-dimethylallyl)isoflavanone and 3,9-dihydrox...

journal_title：Phytochemistry

authors： Tanaka H,Oh-Uchi T,Etoh H,Shimizu H,Tateishi Y

更新日期：2002-08-01 00:00:00

abstract：:The new concept that Na/K-ATPase acts as a receptor prompted us to look for new ligands from Callicarpa kwangtungensis Chun. Using column chromatography, an undescribed phenethyl alcohol glycoside, callicarpanoside A, and an undescribed benzyl alcohol glycoside, callicarpanoside B, along with twelve known polyphenols ...

journal_title：Phytochemistry

authors： Xu Y,Jiang X,Xu J,Qu W,Xie Z,Jiang RW,Feng F

更新日期：2021-01-01 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：:The twigs of Garcinia hombroniana yielded six compounds: two 17,14-friedolanostanes (garcihombronanes K-L, 1-2) and four xanthones (garcihombronones A-D, 3-6) together with 14 known compounds including four friedolanostanes, one lanostane, six xanthones, two benzoic acid derivatives and one biflavonoid. Their structur...

journal_title：Phytochemistry

authors： Klaiklay S,Sukpondma Y,Rukachaisirikul V,Phongpaichit S

更新日期：2013-01-01 00:00:00

abstract：:A new highly oxygenated triterpene named ganoderic acid alpha has been isolated from a methanol extract of the fruiting bodies of Ganoderma lucidum together with twelve known compounds. The structures of the isolated compounds were determined by spectroscopic means including 2D-NMR. Ganoderiol F and ganodermanontriol ...

journal_title：Phytochemistry

authors： el-Mekkawy S,Meselhy MR,Nakamura N,Tezuka Y,Hattori M,Kakiuchi N,Shimotohno K,Kawahata T,Otake T

更新日期：1998-11-01 00:00:00

abstract：:The degradation of the beta-conglycinin protein reserves in soybean seeds during germination and early growth begins with the proteolysis of its alpha and alpha' subunits by an enzyme called Protease C1. In the pathway, a number of proteolytic intermediates are produced and subsequently degraded. Determination of the ...

journal_title：Phytochemistry

authors： Tan-Wilson AL,Liu X,Chen R,Qi X,Wilson KA

更新日期：1996-05-01 00:00:00

abstract：:A lignan diglycoside, (-)-isolariciresinol 3alpha-O-beta-apiofuranosyl-(1-->2)-O-beta-glucopyranoside, and a megastigmane glucoside, sauroposide, were isolated from the aerial part of Sauropus androgynus together with (+)-isolariciresinol 3alpha-O-beta-glucopyranoside, (-)-isolariciresinol 3alpha-O-beta-glucopyranosid...

journal_title：Phytochemistry

authors： Kanchanapoom T,Chumsri P,Kasai R,Otsuka H,Yamasaki K

更新日期：2003-08-01 00:00:00

abstract：:Nine cycloartane triterpenoids, including two new derivatives 22,25-dihydroxy-cycloart-23E-en-3-one and 24-methylenecycloartane-3 beta,22-diol have been isolated from leaves of Guarea macrophylla. The structures were elucidated by interpretation of spectral data, mainly 1H and 13C NMR, including bidimensional analysis...

journal_title：Phytochemistry

authors： Lago JH,Roque NF

更新日期：2002-06-01 00:00:00

abstract：:Three phenolic antioxidant and anti-inflammatory compounds: 7-methylaromadendrin, isoprenylhydroquinone glucoside, and 3.5-dicaffeoylquinic acid methyl ester, all isolated from Western Mediterranean Asteraceae species, have been studied for their inhibitory activity against protein carbonylation, a harmful post-transl...

journal_title：Phytochemistry

authors： Marín M,Giner RM,Recio MC,Máñez S

更新日期：2011-10-01 00:00:00

abstract：:In continuation of our phytochemical studies on Caryopteris x clandonensis (Lamiaceae), three further iridoids were isolated from the methanolic extract of the stems. Their structures were established by 1D and 2D NMR and MS analysis as a C-6 epimer of 8-O-acetylharpagide (6-epi-8-O-acetylharpagide), a derivative of h...

journal_title：Phytochemistry

authors： Hannedouche S,Stanislas E,Moulis C,Fourasté I

更新日期：2000-08-01 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：:Cytochrome P450-dependent monooxygenases (P450s) belonging to the CYP93E subfamily catalyze the C-24 oxidation of the triterpene backbone during the biosynthesis of triterpenoid saponins, which are bioactive plant natural products. In our attempts to produce plant triterpenoids in the yeast Saccharomyces cerevisiae, w...

journal_title：Phytochemistry

authors： Moses T,Thevelein JM,Goossens A,Pollier J

更新日期：2014-12-01 00:00:00

abstract：:A butanolide, marliolide, was isolated from the hexane extract of leaves of Mollinedia marliae (Monimiacae) along with the long chain fatty alcohol hexacosanol. Phytol and a mixture of sitosterol and stigmasterol were also isolated from leaves of both M. marliae and M. gilgiana. trans-N-Feruloyltyramine, a ferulic aci...

journal_title：Phytochemistry

authors： Claros BM,da Silva AJ,Vasconcellos ML,de Brito AP,Leitão GG

更新日期：2000-12-01 00:00:00

abstract：:Reinvestigation of the fermentation broth and mycelium of the coprophilous fungus Guanomyces polythrix, grown in static conditions, led to the isolation of several phytotoxic compounds, including two new naphthopyranone derivatives, namely (2S, 3R)-5-hydroxy-6,8-dimethoxy-2,3-dimethyl-2,3-dihydro-4H-naphtho[2,3-b]-pyr...

journal_title：Phytochemistry

authors： Macías M,Gamboa A,Ulloa M,Toscano RA,Mata R

更新日期：2001-11-01 00:00:00

abstract：:The low-molar-mass (LMM) fraction, only, i.e., the GC-eluting compounds, which are mainly lignans, has been characterized in Norway spruce knotwood hydrophilic extracts previously. Of this fraction, many lignans and sesquilignans and all GC peaks supposedly representing dilignans remain unidentified. In this work, dil...

journal_title：Phytochemistry

authors： Smeds AI,Eklund PC,Willför SM

更新日期：2016-10-01 00:00:00

abstract：:Plant cell suspension cultures of Rauvolfia are able to produce a high amount of arbutin by glucosylation of exogenously added hydroquinone. A four step purification procedure using anion exchange, hydrophobic interaction, hydroxyapatite-chromatography and chromatofocusing delivered in a yield of 0.5%, an approximatel...

journal_title：Phytochemistry

authors： Arend J,Warzecha H,Stöckigt J

更新日期：2000-01-01 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：:The essential oil of the east African sandalwood Osyris tenuifolia was investigated by chromatographic and spectroscopic methods. Beside several already known sesquiterpenes four new compounds could be isolated by preparative gas chromatography and their structures investigated by mass spectroscopy and NMR techniques....

journal_title：Phytochemistry

authors： Kreipl AT,König WA

更新日期：2004-07-01 00:00:00

abstract：:Bacterial LPS have the ability to act as modulators of the innate immune response in plants. Complex and largely unresolved perception systems exist for LPS on the plant cell surfaces that lead to the activation of multiple intracellular defense signaling pathways. The aim of the present study was to investigate the p...

journal_title：Phytochemistry

authors： Gerber IB,Dubery IA

更新日期：2004-11-01 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：: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