Pongamone A-E, five flavonoids from the stems of a mangrove plant, Pongamia pinnata.

abstract：:Human kidney-type glutaminase (KGA) is an important target that is often over expressed in many cancer cells but very few effective inhibitors of this enzyme have yet reached clinical trials. Caudatan A and caudatan B, two undescribed tetracyclic flavans with an unusual ether bond between the C-4 and C-2' were isolate...

journal_title：Phytochemistry

authors： Sun Y,Feng X,Liu X,Qian C,Che X,Cao F,Jin S,Meng D

更新日期：2018-08-01 00:00:00

abstract：:A new guaiane sesquiterpenoid glycoside together with known sesquiterpenoids and iridoid glycosides have been isolated from the rhizomes and roots of Valeriana fauriei. The 13C NMR assignments of the isolated compounds are presented. ...

journal_title：Phytochemistry

authors： Nishiya K,Kimura T,Takeya K,Itokawa H

更新日期：1992-10-01 00:00:00

abstract：:Soluble and microsomal glutathione S-transferase activities for five model xenobiotics (nitrobenzene derivatives), two pesticidal xenobiotics (atrazine and fluorodifen), and a natural substrate (cinnamic acid), were determined in 59 different plant species and four plant cell suspension cultures. These enzyme activiti...

journal_title：Phytochemistry

authors： Pflugmacher S,Schröder P,Sandermann H Jr

更新日期：2000-06-01 00:00:00

abstract：:Flavonoids are polyphenolic compounds that are widespread in the plant kingdom, and structure-activity relationships (SAR) for vascular relaxation effects were examined for 17 of them using porcine coronary arteries. Density functional theory was employed to calculate the chemical parameters of these compounds. The or...

journal_title：Phytochemistry

authors： Xu YC,Leung SW,Yeung DK,Hu LH,Chen GH,Che CM,Man RY

更新日期：2007-04-01 00:00:00

abstract：:In plant terpene biosynthesis, oxidation of the hydrocarbon backbone produced by terpene synthases is typically carried out by cytochrome P450 oxygenases (CYPs). The modifications introduced by CYPs include hydroxylations, sequential oxidations at one position and ring rearrangements and closures. These reactions sign...

journal_title：Phytochemistry

authors： Bathe U,Tissier A

更新日期：2019-05-01 00:00:00

abstract：:An investigation of an ethyl acetate extract of Embelia schimperi leaves has led to the isolation of 10 oleanane-type triterpenes characterized as 3beta,16alpha-di-O-acetyl-13beta, 28-epoxyoleanane (1), 3beta-acetyl-16-oxo-13beta, 28-epoxyoleanane (2), 3beta-acetyl-16alpha-hydroxy-13beta, 28-epoxyoleanane (3), 3beta-a...

journal_title：Phytochemistry

authors： Manguro LO,Okwiri SO,Lemmen P

更新日期：2006-12-01 00:00:00

abstract：:Characteristic for cruciferous plants is the synthesis of a complex array of defence-related indolic compounds. In Arabidopsis, these include indol-3-ylmethyl glucosinolates (IMGs), as well as stress-inducible indole-3-carbaldehyde (ICHO)/indole-3-carboxylic acid (ICOOH) derivatives and camalexin. Key enzymes in the b...

journal_title：Phytochemistry

authors： Müller TM,Böttcher C,Glawischnig E

更新日期：2019-05-01 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：:Four flavonoids with 2',4'-di-oxygenated B-rings, cochinchinol A (1), cochinchinol B (2), (2R,3R)-4',7-dihydroxy-2',5-dimethoxydihydroflavonol (3), 4',7-dihydroxy-2',5-dimethoxyflavonol (4), along with 11 known compounds, were isolated from an ethanolic extract of the roots of Cudrania cochinchinensis. Their structure...

journal_title：Phytochemistry

authors： Zhang P,Feng Z,Wang Y

更新日期：2005-12-01 00:00:00

abstract：:Actinidin belongs to the papain-like family of cysteine proteases and is a major kiwifruit allergen. In this study, the effect of actinidin on cellular morphology and adhesion of T84 intestinal cells was investigated. Both rounding and detachment of T84 cells were observed upon actinidin treatment. The morphological c...

journal_title：Phytochemistry

authors： Čavić M,Grozdanović M,Bajić A,Srdić-Rajić T,Anđjus PR,Gavrović-Jankulović M

更新日期：2012-05-01 00:00:00

abstract：:Two new flavone glucosides, nevadensin 5-O-beta-D-glucoside and nevadensin 5-O-beta-D-glucosyl(1-->6)beta-D-glucoside, have been isolated from the aerial parts of Lysionotus pauciflorus. The structures have been determined by means of UV, mass spectral and one- and two-dimensional 1H and 13C NMR techniques. ...

journal_title：Phytochemistry

authors： Liu Y,Wagner H,Bauer R

更新日期：1996-07-01 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：:Incorporation of [1-13C]glucose indicates that the biosynthesis of the hemiterpene moiety of glabrol, the main prenylated flavanone in the hairy root cultures of Glycyrrhiza glabra, proceeds via a glyceraldehyde/pyruvate non-mevalonate pathway. ...

journal_title：Phytochemistry

authors： Asada Y,Li W,Yoshikawa T

更新日期：2000-10-01 00:00:00

abstract：:Germacrene D is considered as a precursor of many sesquiterpene hydrocarbons. We have investigated the acid catalyzed as well as the photochemically and thermally induced rearrangement processes of germacrene D isolated from several Solidago species, which contain both enantiomers of germacrene D. Enantiomeric mixture...

journal_title：Phytochemistry

authors： Bülow N,Konig WA

更新日期：2000-09-01 00:00:00

abstract：:Investigation of a hairy root culture of Tripterygium wilfordii var. regelii transformed with Agrobacterium rhizogenes resulted in the isolation of new diterpenoid and sesquiterpenoid together with known triterpenoids. These structures were determined by spectroscopic analyses. ...

journal_title：Phytochemistry

authors： Nakano K,Yoshida C,Furukawa W,Takaishi Y,Shishido K

更新日期：1998-11-20 00:00:00

abstract：:Eight pairs of meroterpenoid enantiomers and four achiral meroterpenoids were isolated from Rhododendron anthopogonoides Maxim. Seventeen of them, named (+)-/(-)-anthoponoids A-G, (+)-daurichromene D, and anthoponoids H and I, are undescribed compounds with structural diversity. Their structures were characterized her...

journal_title：Phytochemistry

authors： Shi Q,Li TT,Wu YM,Sun XY,Lei C,Li JY,Hou AJ

更新日期：2020-12-01 00:00:00

abstract：:Callus tissue cultures induced from an axenic leaf of Eriobotrya japonica (Rosaceae) produced triterpenes in large amounts (ca. 50 mg/g dry wt). Nine triterpenes were characterized as ursolic acid, oleanolic acid, 2alpha-hydoxyursolic acid, maslinic acid, tormentic acid, 2alpha, 19alpha-dihydroxy-3-oxo-urs-12-en-28-oi...

journal_title：Phytochemistry

authors： Taniguchi S,Imayoshi Y,Kobayashi E,Takamatsu Y,Ito H,Hatano T,Sakagami H,Tokuda H,Nishino H,Sugita D,Shimura S,Yoshida T

更新日期：2002-02-01 00:00:00

abstract：:A xanthone derivative, named gaboxanthone (1), has been isolated from the seed shells of Symphonia globulifera, together with known compounds, symphonin (2), globuliferin (3), guttiferone A (4), sistosterol, oleanolic acid and methyl citrate. The structure of the compound was assigned as 5,10-dihydroxy-8,9-dimethoxy-2...

journal_title：Phytochemistry

authors： Ngouela S,Lenta BN,Noungoue DT,Ngoupayo J,Boyom FF,Tsamo E,Gut J,Rosenthal PJ,Connolly JD

更新日期：2006-02-01 00:00:00

abstract：:Three undescribed isoflavones, derriscandenon A, B, and C, together with seven known isoflavones were isolated and structurally characterized during a study of the chemical constituents in the leaves of Derris scandens (Roxb.) Benth (Leguminosae, Fabaceae) collected in Bangladesh. The inhibitory activity of the compou...

journal_title：Phytochemistry

authors： Ito C,Matsui T,Miyabe K,Hasan CM,Rashid MA,Tokuda H,Itoigawa M

更新日期：2020-07-01 00:00:00

abstract：:The dichloromethane extract of the stem bark of Warburgia ugandensis afforded three new coloratane sesquiterpenes, namely: 6alpha,9alpha-dihydroxy-4(13),7-coloratadien-11,12-dial (1), 4(13),7-coloratadien-12,11-olide (2), and 7beta-hydroxy-4(13),8-coloratadien-11,12-olide (3), together with nine known sesquiterpenes, ...

journal_title：Phytochemistry

authors： Wube AA,Bucar F,Gibbons S,Asres K

更新日期：2005-10-01 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：:Phospholipase D (PLD) catalyzes the hydrolysis and transesterification of glycerophospholipids at the terminal phosphodiester bond. In many plants, several isoforms of PLD have been identified without knowing their functional differences. In this paper, the specificities of two PLD isoenzymes from white cabbage (Brass...

journal_title：Phytochemistry

authors： Dippe M,Ulbrich-Hofmann R

更新日期：2009-02-01 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：: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：:Carrot (Daucus carota subsp. sativus) is a widely cultivated root vegetable of high economic importance. The aroma of carrot roots and aboveground organs is mainly defined by terpenes. We found that leaves of orange carrot cultivar also produce considerable amounts of the phenylpropenes methyleugenol and methylisoeuge...

journal_title：Phytochemistry

authors： Yahyaa M,Berim A,Nawade B,Ibdah M,Dudareva N,Ibdah M

更新日期：2019-03-01 00:00:00

abstract：:Changes in specialized metabolites were analyzed in wheat leaves inoculated with Bipolaris sorokiniana, the causal agent of spot blotch of Poaceae species. HPLC analysis detected the accumulation of six compounds in B. sorokiniana-infected leaves. Of these, we purified two compounds by silica gel and ODS column chroma...

journal_title：Phytochemistry

authors： Ube N,Harada D,Katsuyama Y,Osaki-Oka K,Tonooka T,Ueno K,Taketa S,Ishihara A

更新日期：2019-11-01 00:00:00

abstract：:The Madagascar periwinkle produces a large palette of Monoterpenoid Indole Alkaloids (MIAs), a class of complex alkaloids including some of the most valuable plant natural products with precious therapeutical values. Evolutionary pressure on one of the hotspots of biodiversity has obviously turned this endemic Malagas...

journal_title：Phytochemistry

authors： Dugé de Bernonville T,Clastre M,Besseau S,Oudin A,Burlat V,Glévarec G,Lanoue A,Papon N,Giglioli-Guivarc'h N,St-Pierre B,Courdavault V

更新日期：2015-05-01 00:00:00

abstract：:Three new glycosides of the oleanene-type triterpenes, rivalosides C-E (1-3), along with three known triterpene saponins, momordin IIb (4) and rivalosides A-B (5-6), and five known iridoid glucosides: monotropein, scandoside, deacetylasperulosidic acid, geniposidic acid and asperulosidic acid, were isolated from aeria...

journal_title：Phytochemistry

authors： de Rosa S,Iodice C,Mitova M,Handjieva N,Popov S,Anchev M

更新日期：2000-08-01 00:00:00

abstract：:Chemical investigations of a microfungus Xylaria sp. isolated from the Australian rainforest tree Glochidion ferdinandi have afforded two new natural products, 2-hydroxy-6-methyl-8-methoxy-9-oxo-9H-xanthene-1-carboxylic acid (1) and 2-hydroxy-6-hydroxymethyl-8-methoxy-9-oxo-9H-xanthene-1-carboxylic acid (2). Compound ...

journal_title：Phytochemistry

authors： Healy PC,Hocking A,Tran-Dinh N,Pitt JI,Shivas RG,Mitchell JK,Kotiw M,Davis RA

更新日期：2004-08-01 00:00:00

abstract：:The antifungal glycoalkaloid alpha-tomatine of the tomato plant (Lycopersicon esculentum) is proposed to protect the plant against phytopathogenic fungi. Fusarium oxysporum f. sp. lycopersici, a vascular pathogen of tomato, produces a tomatinase enzyme which hydrolyses the glycoalkaloid into non-fungitoxic compounds. ...

journal_title：Phytochemistry

authors： Lairini K,Ruiz-Rubio M

更新日期：1997-08-01 00:00:00