Diterpenoid from Salvia greggii.

abstract：:Eight previously undescribed ditepenoids, including four oxygenated abietanes (roscotanes A-D) and four oxygenated pimaranes (roscoranes A-D), along with twelve known diterpenoids were isolated from the whole plants of Kaempferia roscoeana. Their structures were elucidated by extensive spectroscopic analysis, and the ...

journal_title：Phytochemistry

authors： Boonsombat J,Mahidol C,Chawengrum P,Reuk-Ngam N,Chimnoi N,Techasakul S,Ruchirawat S,Thongnest S

更新日期：2017-11-01 00:00:00

abstract：:A new triterpene and its glycosides were isolated from the bark of Schefflera octophylla together with asiatic acid and asiaticoside. Based on spectroscopic data, especially 2DNMR, and chemical transformations the structures of the new compounds were determined as 3 alpha-hydroxy-urs-12-ene-23,28-dioic acid and 3 alph...

journal_title：Phytochemistry

authors： Sung TV,Lavaud C,Porzel A,Steglich W,Adam G

更新日期：1992-01-01 00:00:00

abstract：:The recently isolated pigments from Petunia integrifolia and Triteleia bridgesii present a distinct feature that sheds new light on the understanding of intramolecular copigmentation of anthocyanins. These are among the infrequent anthocyanins that naturally present a coumaric acid substituent in both cis and trans fo...

journal_title：Phytochemistry

authors： George F,Figueiredo P,Toki K,Tatsuzawa F,Saito N,Brouillard R

更新日期：2001-07-01 00:00:00

abstract：:Recognition between mating partners, early sexual morphogenesis and development are regulated by a family of beta-carotene derived signal compounds, the trisporoids, in zygomycete fungi. Mating type-specific precursors are released from the hyphae and exert their physiological effects upon compatible mating partners. ...

journal_title：Phytochemistry

authors： Schimek C,Wöstemeyer J

更新日期：2009-10-01 00:00:00

abstract：:The biotransformation of 7alpha-hydroxy-ent-kaur-16-ene (epi-candol A) by the fungus Gibberella fujikuroi gave 7alpha,16alpha,17-trihydroxy-ent-kaur-16-ene and a seco-ring B derivative, fujenoic acid, whilst the incubation of candicandiol (7alpha,18-dihydroxy-ent-kaur-16-ene) and canditriol (7alpha,15alpha,18-trihydro...

journal_title：Phytochemistry

authors： Fraga BM,Bressa C,González P,Guillermo R,Hernández MG,Suárez S

更新日期：2007-06-01 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：:The bean aphid, Megoura crassicauda Mordvilko, feeds selectively on plants belonging to the genus Vicia (Fabaceae). However, it never infests the tiny vetch, V. hirsuta (L.) Gray. The aphid appeared to discriminate between host and non-host plants by tasting specific chemicals during penetration of its stylet into the...

journal_title：Phytochemistry

authors： Ohta N,Mori N,Kuwahara Y,Nishida R

更新日期：2006-03-01 00:00:00

abstract：:Two new monogalactosyl diacylglycerols were isolated from the freshwater green alga, Chlorella vulgaris, as anti-tumour promoters, together with three monogalactosyl diacylglycerols and two digalactosyl diacylglycerols. The new monogalactosyl diacylglycerol containing (7Z,10Z)-hexadecadienoic acid showed a more potent...

journal_title：Phytochemistry

authors： Morimoto T,Nagatsu A,Murakami N,Sakakibara J,Tokuda H,Nishino H,Iwashima A

更新日期：1995-11-01 00:00:00

abstract：:The influence of solar irradiance and seasons on prostaglandin (PG) and arachidonic acid (AA) content in the marine red alga Gracilaria verrucosa (Huds.) Papenf. (unattached form) was investigated. PGA(2), PGE(2), PGF(2), and 15-keto-PGE(2) were isolated from the alga, quantitatively analyzed as 4-methyl-7-methoxycoum...

journal_title：Phytochemistry

authors： Imbs AB,Vologodskaya AV,Nevshupova NV,Khotimchenko SV,Titlyanov EA

更新日期：2001-12-01 00:00:00

abstract：:Chemical investigation of the methanol extract of the fertile form of Roccella montagnei collected in Vietnam afforded twelve secondary metabolites, including five new montagnetol derivatives, orsellinylmontagnetols A-D and a furanyl derivative together with seven known compounds. Their chemical structures were elucid...

journal_title：Phytochemistry

authors： Duong TH,Huynh BLC,Chavasiri W,Chollet-Krugler M,Nguyen VK,Nguyen THT,Hansen PE,Le Pogam P,Thüs H,Boustie J,Nguyen KPP

更新日期：2017-05-01 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：:Ganoderma lingzhi is a valuable, edible and medicinal fungus that has been widely used for the prevention and treatment of a broad range of diseases. In this study, spirolingzhines A-D, four meroterpenoids with a spiro[benzofuran-2,10-cyclopentane] motif, lingzhines A-F, six meroterpenoids with diverse ring systems, a...

journal_title：Phytochemistry

authors： Yan YM,Wang XL,Luo Q,Jiang LP,Yang CP,Hou B,Zuo ZL,Chen YB,Cheng YX

更新日期：2015-06-01 00:00:00

abstract：:Five new oleanane-type saponins, polygalasaponins XLII-XLVI, along with two known saponins were isolated from the roots of Polygala glomerata Lour. The structures of polygalasaponins XLII-XLVI were elucidated as 3-O-beta-D-glucopyranosyl presenegenin 28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl- (1-->2)-{...

journal_title：Phytochemistry

authors： Zhang D,Miyase T,Kuroyanagi M,Umehara K,Noguchi H

更新日期：1998-02-01 00:00:00

abstract：:Three new phenylethanoid glycoside, named scrosides A-C and a new iridoid glycosides, named picroside IV, have been isolated from the underground parts of Picrorhiza scrophulariiflora, together with 11 known compounds. Their structures were elucidated by the means of 2D NMR spectroscopy and chemical methods. ...

journal_title：Phytochemistry

authors： Li JX,Li P,Tezuka Y,Namba T,Kadota S

更新日期：1998-06-01 00:00:00

abstract：:The CHCl(3) extract of the bark of Garcinia speciosa contained four 17,14-friedolanostanes and five lanostanes as well as friedelin and common plant constituents. The friedolanostanes were the previously known methyl ester of (24E)-3 alpha,23 alpha-dihydroxy-17,14-friedolanostan-8,14,24-trien-26-oic acid and the methy...

journal_title：Phytochemistry

authors： Vieira LM,Kijjoa A,Silva AM,Mondranondra IO,Kengthong S,Gales L,Damas AM,Herz W

更新日期：2004-02-01 00:00:00

abstract：:The unusual chlorinated coumarinolignan, 5-chloropropacin, along with several other known compounds have been isolated from the roots of Mondia whitei. The structure of the chlorinated coumarinolignan was determined by NMR and mass spectroscopic analyses. ...

journal_title：Phytochemistry

authors： Patnam R,Kadali SS,Koumaglo KH,Roy R

更新日期：2005-03-01 00:00:00

abstract：:Blueberry consumption is associated with health benefits contributing to a reduced risk for cardiovascular disease, diabetes and cancer. The aim of this study was to determine the anthocyanin profile of blueberry extracts and to evaluate their effects on B16-F10 metastatic melanoma murine cells. Seven blueberry cultiv...

journal_title：Phytochemistry

authors： Bunea A,Rugină D,Sconţa Z,Pop RM,Pintea A,Socaciu C,Tăbăran F,Grootaert C,Struijs K,VanCamp J

更新日期：2013-11-01 00:00:00

abstract：:[3H, 14C] Ochratoxin A, prepared biosynthetically, was applied in dilute NaHCO3 solution to the soil in which coffee plants had grown to four pairs of leaves. Three weeks later the compound, isolated from dilute NaHCO3 extract of leaves by immunoaffinity chromatography, was detected by scintillation counting as a 1-2 ...

journal_title：Phytochemistry

authors： Mantle PG

更新日期：2000-02-01 00:00:00

abstract：:This work used Δ5-sterols and their degradation products to compare the efficiency of biotic and abiotic degradation processes in senescent Mediterranean marine (Posidonia oceanica) and terrestrial (Quercus ilex and Smilax aspera) angiosperms. Type II photosensitized oxidation processes appeared to be more efficient i...

journal_title：Phytochemistry

authors： Rontani JF

更新日期：2019-11-01 00:00:00

abstract：:The antimicrobially active EtOH extracts of Maytenus heterophylla yielded a new dihydroagarofuran alkaloid,1beta-acetoxy-9alpha-benzoyloxy-2beta,6alpha-dinicotinoyloxy-beta-dihydroagarofuran, together with the known compounds beta-amyrin, maytenfolic acid, 3alpha-hydroxy-2-oxofriedelane-20alpha-carboxylic acid, lup-20...

journal_title：Phytochemistry

authors： Orabi KY,Al-Qasoumi SI,El-Olemy MM,Mossa JS,Muhammad I

更新日期：2001-10-01 00:00:00

abstract：:The patterns of secondary metabolites in leaves of yeast invertase-transgenic tobacco plants (Nicotiana tabacum L. cv. Samsun NN) were analyzed. Plants expressing cytosolic yeast-derived invertase (cytInv) or apoplastic (cell wall associated) yeast invertase (cwInv) showed a characteristic phytochemical phenotype comp...

journal_title：Phytochemistry

authors： Baumert A,Mock HP,Schmidt J,Herbers K,Sonnewald U,Strack D

更新日期：2001-03-01 00:00:00

abstract：:Acid hydrolysis of cell wall-rich material from thalli of the hornwort Anthoceros caucasicus yielded substantial amounts of an unusual disaccharide (1). Hydrolysis of 1 yielded only GlcA, Gal and unhydrolysed 1. Compound 1 was identified as alpha-D-GlcpA-(1-->3)-L-Gal by 1H and 13C NMR spectroscopic analysis and by th...

journal_title：Phytochemistry

authors： Popper ZA,Sadler IH,Fry SC

更新日期：2003-09-01 00:00:00

abstract：:This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy. ...

journal_title：Phytochemistry

authors： McIntosh C

更新日期：2012-03-16 00:00:00

abstract：:The chemical origin and biological role of distinct semen-like odor occasionally found in some flowers are very curious but remain scarcely studied. Here, we used direct ambient corona discharge ionization mass spectrometry (MS) to study the volatile chemical composition behind the semen-like odor emitted by the fresh...

journal_title：Phytochemistry

authors： Zhang X,Chingin K,Zhong D,Luo L,Frankevich V,Chen H

更新日期：2018-01-01 00:00:00

abstract：:Marine sponges are an unusually rich source of bioactive natural products with clinical potential. They also often harbor rich communities of symbiotic bacteria that have often been suspected as the true producers of sponge-derived compounds. To date, these bacteria can in most cases not be cultivated, but culture-ind...

journal_title：Phytochemistry

authors： Hochmuth T,Piel J

更新日期：2009-10-01 00:00:00

abstract：:Stereumins Q-U, together with known stereumins A, B, K, L, and N, as well as ent-strobilols E and G were isolated from the culture of Stereum cf. sanguinolentum BCC 22926. Their structures were elucidated by extensive spectroscopic analyses. The absolute configurations of stereumins A and Q, as well as ent-strobilol E...

journal_title：Phytochemistry

authors： Bunyapaiboonsri T,Yoiprommarat S,Nopgason R,Komwijit S,Veeranondha S,Puyngain P,Boonpratuang T

更新日期：2014-09-01 00:00:00

abstract：:Prophylactic efficacies of Iodus 40 and salicylic acid (SA) against wheat powdery mildew caused by Blumeria graminis f. sp. tritici have been shown and compared with those of heptanoyl salicylic acid (HSA) and trehalose. Plantlets treated once exhibited 55%, 50%, 95%, and 38% protection levels, respectively. Two spray...

journal_title：Phytochemistry

authors： Renard-Merlier D,Randoux B,Nowak E,Farcy F,Durand R,Reignault P

更新日期：2007-04-01 00:00:00

abstract：:A method is described for the enrichment of odd very-long-chain polyunsaturated fatty acids (VLCPUFAs) by means of RP-HPLC and argentation TLC from total fatty acids of the dinoflagellate A. carterae and their identification as picolinyl esters by means of microbore liquid chromatography-mass spectrometry with atmosph...

journal_title：Phytochemistry

authors： Rezanka T,Nedbalová L,Sigler K

更新日期：2008-11-01 00:00:00

abstract：:Plants have developed a plethora of signals to interact with other organisms, finally building up a sophisticate language for communication. In this context, we investigated Salvia verticillata L. (Lamiaceae), with the primary goal to link secondary metabolites and actual biotic relationships. We specifically analysed...

journal_title：Phytochemistry

authors： Giuliani C,Ascrizzi R,Lupi D,Tassera G,Santagostini L,Giovanetti M,Flamini G,Fico G

更新日期：2018-11-01 00:00:00

abstract：:High diversity of fatty acid (FA) composition of endosymbiotic dinoflagellates of the Symbiodinium group (zooxanthellae) isolated from different cnidarian groups has been found. To explain this diversity, FA composition of the total lipids of pure symbiont fractions (SF) and host cell tissue fractions (HF) isolated fr...

journal_title：Phytochemistry

authors： Imbs AB,Yakovleva IM,Dautova TN,Bui LH,Jones P

更新日期：2014-05-01 00:00:00