The phytoalexins from cauliflower, caulilexins A, B and C: isolation, structure determination, syntheses and antifungal activity.

abstract：:Six new methyl angolensate type (1-6) and three new mexicanolide-type (7-9) limonoids, along with six known limonoids (10-15), were isolated from the seeds of Cipadessa baccifera. The structures of all these compounds were established by extensive 1D, 2D NMR, and HRESIMS experiments, and structures of 11 and 13 were f...

journal_title：Phytochemistry

authors： Siva B,Poornima B,Venkanna A,Prasad KR,Sridhar B,Nayak VL,Ramakrishna S,Babu KS

更新日期：2014-02-01 00:00:00

abstract：:The interest in the potential health effects of dietary phytoestrogens has increased with the findings that hormone replacement therapy is not as safe or effective as previously thought. This review summarizes the dietary sources of the phytoestrogens; isoflavonoids, stilbenes, coumestans and lignans. It also examines...

journal_title：Phytochemistry

authors： Cornwell T,Cohick W,Raskin I

更新日期：2004-04-01 00:00:00

abstract：:During the search for new protein tyrosine phosphatase (PTP) 1B inhibitors, EtOH extracts from the aerial parts of Lantana camara L. (lantana) collected at Manado (Indonesia) and two subtropical islands in Japan (Ishigaki and Iriomote Islands, Okinawa) exhibited potent inhibitory activities against PTP1B in an enzyme ...

journal_title：Phytochemistry

authors： Abdjul DB,Yamazaki H,Maarisit W,Rotinsulu H,Wewengkang DS,Sumilat DA,Kapojos MM,Losung F,Ukai K,Namikoshi M

更新日期：2017-12-01 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：:The dichloromethane extract from leaves of Juniperus brevifolia, through chromatographic fractionations yield six compounds: 3beta-hydroxy-abieta-8,11,13-trien-7-one, 18-hydroxy-sandaracopimara-8(14),15-dien-7-one, sandaracopimara-8(14),15-dien-18-yl formate; and the first examples of sandaracopimaranes and abieta-8,1...

journal_title：Phytochemistry

authors： Seca AM,Silva AM,Bazzocchi IL,Jimenez IA

更新日期：2008-01-01 00:00:00

abstract：:Toddaliopsins A-D, four novel 1,2,3-trioxygenated acridone alkaloids, have been isolated from the leaves of Toddaliopsis bremekampii. Toddaliopsins B-D are the first reported acridone alkaloids with substituted N-methyl groups, in the light of which the chemotaxonomic relationship of Toddaliopsis and Vepris is discuss...

journal_title：Phytochemistry

authors： Naidoo D,Coombes PH,Mulholland DA,Crouch NR,van den Bergh AJ

更新日期：2005-07-01 00:00:00

abstract：:Eight ring C-seco and ring-intact limonoids, and 25 known limonoids were isolated from the fruits of Melia toosendan (Meliaceae). Their structures were elucidated on the basis of extensive spectroscopic evidence including HRMS, 1D and 2D NMR spectroscopic data. A total of 29 isolated limonoids was evaluated for NF-κB ...

journal_title：Phytochemistry

authors： Zhu GY,Bai LP,Liu L,Jiang ZH

更新日期：2014-11-01 00:00:00

abstract：:From the ethanolic extract of the aerial parts of Centaurea scoparia four new sesquiterpene lactones, belonging to the guaiane class, were isolated and identified, together with a known germacranolide. The structures were elucidated by spectroscopic methods including one- and two-dimensional NMR studies. The relative ...

journal_title：Phytochemistry

authors： Youssef DT

更新日期：1998-11-20 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：:The transition state of adenosine nucleosidase (EC 3.2.2.7) isolated from yellow lupin (Lupinus luteus) was determined based upon a series of heavy atom kinetic isotope effects. Adenosine labeled with 13C, 2H, and 15N was analyzed by liquid chromatography/electrospray mass spectrometry to determine kinetic isotope eff...

journal_title：Phytochemistry

authors： Bates C,Kendrick Z,McDonald N,Kline PC

更新日期：2006-01-01 00:00:00

abstract：:Nine undescribed compounds, including five xanthone derivatives, two flavonoids, one 2-pyrone derivative, and one undescribed naturally occurring compound, along with 30 known phenolic compounds, were isolated from Hypericum japonicum. In addition, hyperjaponols A and B were identified as racemates. The structures and...

journal_title：Phytochemistry

authors： Zhu W,Qiu J,Zeng YR,Yi P,Lou HY,Jian JY,Zuo MX,Duan L,Gu W,Huang LJ,Li YM,Yuan CM,Hao XJ

更新日期：2019-08-01 00:00:00

abstract：:The two Arabidopsis basic-helix-loop-helix transcription factors GLABRA3 (GL3) and ENHANCER OF GLABRA3 (EGL3) are positive regulators of anthocyanin biosynthesis, and form protein complexes (MBW complexes) with various R2R3 MYB transcription factors and a WD40 repeat protein TRANSPARENT TESTA GLABROUS1 (TTG1). In earl...

journal_title：Phytochemistry

authors： Nemie-Feyissa D,Heidari B,Blaise M,Lillo C

更新日期：2015-03-01 00:00:00

abstract：:Incubation of the diterpene 2beta-hydroxy-ent-13-epi-manoyl oxide with Gibberella fujikuroi afforded in good yield 2beta,6beta-dihydroxy-ent-13-epi-manoyl oxide, 2beta,12beta-dihydroxy-ent-13-epi-manoyl oxide and 2beta,20-dihydroxy-ent-13-epi-manoyl oxide, confirming that although ent-13-epi-manoyl oxide is a final me...

journal_title：Phytochemistry

authors： Fraga BM,González P,Hernández MG,Suárez S

更新日期：2003-01-01 00:00:00

abstract：:The thiol redox-sensitive and the total proteome in harvest-ripe grains of closely related genotypes of wheat (Triticum aestivum L.), with either a dormant or a non-dormant phenotype, were investigated using hybrid lines of spring wheat double haploid population segregating transgressively, to gain further insight int...

journal_title：Phytochemistry

authors： Bykova NV,Hoehn B,Rampitsch C,Hu J,Stebbing JA,Knox R

更新日期：2011-07-01 00:00:00

abstract：:The concentration of 7-methyljuglone was studied in the round-leaved sundew Drosera rotundifolia L. collected from different regions in Northern Finland. Samples for analysis were collected from peat bogs and sandpit habitats. The mean concentration of 7-methyljuglone varied from 1.0 to 2.3% of dry weight. Variation b...

journal_title：Phytochemistry

authors： Kämäräinen T,Uusitalo J,Jalonen J,Laine K,Hohtola A

更新日期：2003-06-01 00:00:00

abstract：:Amaranthus hypochondriacus L. infected with Ageratum enation virus (AEV) was investigated for identifying alteration in the anatomical structures, sap translocation and metabolomic variations using light microscopy, magnetic resonance imaging, NMR spectroscopy and GC-MS, respectively. Combination of GC-MS and NMR spec...

journal_title：Phytochemistry

authors： Srivastava S,Bisht H,Sidhu OP,Srivastava A,Singh PC,Pandey RM,Raj SK,Roy R,Nautiyal CS

更新日期：2012-08-01 00:00:00

abstract：:Phytic acid is the most abundant inositol phosphate in cells; it constitutes 1-5% of the dry weight of cereal grains and legumes. Phytases are the primary enzymes responsible for the hydrolysis of phytic acid and thus play important roles in inositol phosphate metabolism. A novel alkaline phytase in lily pollen (LlALP...

journal_title：Phytochemistry

authors： Mehta BD,Jog SP,Johnson SC,Murthy PP

更新日期：2006-09-01 00:00:00

abstract：:The cuticle of higher plants functions primarily as a protective barrier for the leaves and fruits, controlling microbial attack as well as the diffusion of water and chemicals from the outside environment. Its major chemical constituents are waxes (for waterproofing) and cutin (a structural support polymer). However,...

journal_title：Phytochemistry

authors： Fang X,Qiu F,Yan B,Wang H,Mort AJ,Stark RE

更新日期：2001-07-01 00:00:00

abstract：:The structure of four diterpenoid glucosides, designated as salvigresides A-D (1-4), isolated from the aerial parts of Salvia greggii, have been confirmed by spectroscopic and chemical investigation. ...

journal_title：Phytochemistry

authors： Kawahara N,Tamura T,Inoue M,Hosoe T,Kawai K,Sekita S,Satake M,Goda Y

更新日期：2004-09-01 00:00:00

abstract：:Two new cytotoxic mono-tetrahydrofuran acetongenins, annosenegalin and annogalene, have been isolated from the cytotoxic methanolic extract of Annona senegalensis and A. cherimolia seeds. Their structures were established on the basis of 1D and 2D NMR spectroscopic techniques. Annosenegalin belongs to the rare type of...

journal_title：Phytochemistry

authors： Sahpaz S,González MC,Hocquemiller R,Zafra-Polo MC,Cortes D

更新日期：1996-05-01 00:00:00

abstract：:In a screening for antimicrobial metabolites, amides of D-allo- and L-isoleucine derivatives were isolated from the culture of a marine strain of Acremonium furcatum. Structural elucidation of these compounds was performed by analysis of spectroscopic data and confirmed by synthesis. All of the compounds, natural and ...

journal_title：Phytochemistry

authors： Gallardo GL,Butler M,Gallo ML,Rodríguez MA,Eberlin MN,Cabrera GM

更新日期：2006-11-01 00:00:00

abstract：:Lipid oxidation is a common metabolic reaction in all biological systems, appearing in developmentally regulated processes and as response to abiotic and biotic stresses. Products derived from lipid oxidation processes are collectively named oxylipins. Initial lipid oxidation may either occur by chemical reactions or ...

journal_title：Phytochemistry

authors： Andreou A,Feussner I

更新日期：2009-09-01 00:00:00

abstract：:Monoterpenoid indole alkaloids are a vast and structurally complex group of plant secondary compounds. In contrast to other groups of plant products which produce many glycosides, indole alkaloids rarely occur as glucosides. Plants of Rauvolfia serpentina accumulate ajmaline as a major alkaloid, whereas cell suspensio...

journal_title：Phytochemistry

authors： Warzecha H,Gerasimenko I,Kutchan TM,Stöckigt J

更新日期：2000-08-01 00:00:00

abstract：:From the aerial parts of Clerodendrum inerme, two megastigmane glucosides (sammangaosides A and B) and a iridoid glucoside (sammangaoside C) were isolated together with 15 known compounds. The structural elucidations were based on analyses of physical and spectroscopic data. ...

journal_title：Phytochemistry

authors： Kanchanapoom T,Kasai R,Chumsri P,Hiraga Y,Yamasaki K

更新日期：2001-09-01 00:00:00

abstract：:Proteomic analyses of soybean seedlings responding to flooding were conducted to identify key proteins involved. The seeds were germinated on a spongy matrix for two days, and then subjected to flooding for three days. After flooding, the total number of roots, the length of the main root, the lengths of the lateral a...

journal_title：Phytochemistry

authors： Shi F,Yamamoto R,Shimamura S,Hiraga S,Nakayama N,Nakamura T,Yukawa K,Hachinohe M,Matsumoto H,Komatsu S

更新日期：2008-04-01 00:00:00

abstract：:Anti-inflammatory activity guided fractionation of the n-hexane soluble fraction of a 70% aqueous methanolic extract of the dried fruits of Forsythia suspensa afforded two new triterpenes. The structures of these compounds were elucidated as 3beta-acetyl-20,25-epoxydammarane-24alpha-ol (1) and 3beta-acetyl-20,25-epoxy...

journal_title：Phytochemistry

authors： Rouf AS,Ozaki Y,Rashid MA,Rui J

更新日期：2001-04-01 00:00:00

abstract：:Phenylpropanoid glycosides, 1'-O-benzyl-alpha-L-rhamnopyranosyl-(1''-->6')-beta-D-glucopyranoside (1) and alpha-L-xylopyranosyl-(4''-->2')-(3-O-beta-D-glucopyranosyl)-1'-O-E-caffeoyl-beta-D-glucopyranoside (2), together with the known derivatives, 1,6-di-O-caffeoyl-beta-D-glucopyranoside (3), 1-O-(E)-caffeoyl-beta-D-g...

journal_title：Phytochemistry

authors： Hamerski L,Bomm MD,Silva DH,Young MC,Furlan M,Eberlin MN,Castro-Gamboa I,Cavalheiro AJ,da Silva Bolzani V

更新日期：2005-08-01 00:00:00

abstract：:The accumulation of soluble and wall-bound phenolics and phenolic polymers in Musa acuminata roots exposed to cell wall-derived elicitor from the pathogen, Fusarium oxysporum, f.sp. cubense, race four, was investigated. The root tissue from the banana cultivar "Goldfinger" was found to respond strongly and rapidly tow...

journal_title：Phytochemistry

authors： de Ascensao AR,Dubery IA

更新日期：2003-07-01 00:00:00

abstract：:Four cycloartane- (hareftosides A-D) and oleanane-type triterpenoids (hareftoside E) were isolated from Astragalus hareftae along with fifteen known compounds. Structures of the compounds were established as 3,6-di-O-β-D-xylopyranosyl-3β,6α,16β,24(S),25-pentahydroxycycloartane, 3,6,24-tri-O-β-D-xylopyranosyl-3β,6α,16β...

journal_title：Phytochemistry

authors： Horo I,Bedir E,Masullo M,Piacente S,Ozgökçe F,Alankuş-Çalışkan O

更新日期：2012-12-01 00:00:00

abstract：:Twenty-four axenic strains of planktonic Anabaena with straight trichomes, assigned to 7 species, were investigated by analyzing the pattern and content of their fatty acid composition and comparing their fatty acid composition with their morphological properties. In general, the fatty acids in planktonic Anabaena con...

journal_title：Phytochemistry

authors： Li R,Watanabe MM

更新日期：2001-07-01 00:00:00