Chemical constituents from the leaves of Melia azedarach.

abstract：:Designing propolis products for external use involves determining the optimal form of propolis for the introduction into dermatological pharmaceuticals and cosmetic preparations. As a potent ingredient, propolis oil extract from raw material harvested in Lithuania was analysed. The rheological characteristics, content...

journal_title：Natural product research

authors： Ramanauskienė K,Inkėnienė AM

更新日期：2011-09-01 00:00:00

abstract：:Epicatechin (EC) is the most effective compound in Euonymus alatus (Thunb.)Sieb, and possesses a series of benefits, including anti-inflammatory, antioxidant, antiobesity and anticancer effects. In this study, we investigated the protective effects of EC in Acetaminophen(N-acetyl-p-aminophenol, APAP)-induced acute liv...

journal_title：Natural product research

authors： Wu H,Xie Y,Xu Y,Hu Z,Wan X,Huang H,Huang D

更新日期：2020-03-01 00:00:00

abstract：:Pigeon Pea is a well-received traditional nutritious and medicinal plant in India since ancient times. The plant is identified for its impressive pharmacological activities like antimicrobial, anti-inflammatory, antitubercular, antioxidant, neuroprotective, antihypertensive, antihyperglycemic and anticancer properties...

journal_title：Natural product research

authors： Dinore JM,Farooqui M

更新日期：2020-11-23 00:00:00

abstract：:In the present study, hydroxy-2-methyl-4H-pyran-4-one was isolated from the methanol root extract of Senecio laetus and was identified by FT-IR, 1H, 13C NMR and GC-MS. The larvicidal potential of the compound 3-hydroxy-2-methyl-4H-pyran-4-one was evaluated against the 4th instar larvae of Anopheles stephensi, Aedes ae...

journal_title：Natural product research

authors： Ali SI,Venugopalan V

更新日期：2019-06-27 00:00:00

abstract：:From a biologically active fraction of extract from the fungus Fomitopsis pinicola, a new lanostane triterpene was isolated, 3alpha-acetyloxylanosta-8,24-diene-21-ol (1), along with two known triterpenic acids, (2) and (3). The structures of the compounds were elucidated based on their spectral properties. [structure:...

journal_title：Natural product research

authors： Petrova A,Popov S,Gjosheva M,Bankova V

更新日期：2007-05-01 00:00:00

abstract：:Five flavonoids were isolated from the ethyl acetate fraction of leaves of Sophora secundiflora; formononetin (1), 5-hydroxy-4'-methoxyflavone (2), genistein (3), 5-hydroxy-8-(1-hydroxy-1-methyl-ethyl)-2-(4-hydroxyphenyl)-4H-furo-[2, 3-h]-chromen-4-one (4) and ononin (5). Additionally, LC-ESI-MS/MS analysis of the eth...

journal_title：Natural product research

authors： Aly SH,Elissawy AM,Fayez AM,Eldahshan OA,Elshanawany MA,Singab ANB

更新日期：2020-07-22 00:00:00

abstract：:Two new triterpene saponins, albidosides H (1) and I (2), along with the three known saponins were isolated from the barks of Acacia albida. Their structures were elucidated on the basis of extensive 1D- and 2D-NMR studies and mass spectrometry. Albidosides H (1) and I (2) were assayed for their cytotoxicity against H...

journal_title：Natural product research

authors： Tchoukoua A,Kuiate Tabopda T,Konga Simo I,Uesugi S,Ohno M,Kimura KI,Kwon E,Momma H,Shiono Y,Ngadjui BT

更新日期：2018-04-01 00:00:00

abstract：:Chemical investigation of an ethyl acetate soluble fraction of Sinularia polydactyla (Ehrenberg) led to the isolation of three known terpenoides, two of them sterols, 24-methylcholestane-3β,5α,6β,25-tetrol 25-monoacetate (1), 24-methylcholestane-5-en-3β,25-diol (2), in addition to a cembranoid diterpene, durumolide C ...

journal_title：Natural product research

authors： Aboutabl el-SA,Azzam SM,Michel CG,Selim NM,Hegazy MF,Ali AH,Hussein AA

更新日期：2013-01-01 00:00:00

abstract：:Five new α-pyrones, xylariaopyrones E-I (1-5), along with three known analogues (6-8) were isolated from the cultivation broth of the endophytic fungus Xylariales sp. (HM-1). The structures of the new compounds including their absolute configurations were elucidated by comprehensive spectroscopic methods and quantum E...

journal_title：Natural product research

authors： Yang WW,Lu LW,Zhang XQ,Bao SS,Cao F,Guo ZY,Deng ZS,Proksch P

更新日期：2020-09-30 00:00:00

abstract：:Eight known abietane diterpenes (1-8) were isolated for the first time from Abies numidica cones (Pinaceae). The structures of all compounds were established by means of 1D and 2D NMR, and UV spectral analyses. The hydromethanolic extract of A. numidica cones was tested for its antimicrobial activity against 17 gram-p...

journal_title：Natural product research

authors： Belhadj Mostefa M,Abedini A,Voutquenne-Nazabadioko L,Gangloff SC,Kabouche A,Kabouche Z

更新日期：2017-03-01 00:00:00

abstract：:Loliolide content was determined in 13 marine algae including red, brown and green algae collected from the Black Sea, the Dardanelles and the Aegean Sea. Identification and quantification were performed by gas chromatography-mass spectrometry. The loliolide content in green alga is 1.76 microg g(-1), ranges from 0.14...

journal_title：Natural product research

authors： Percot A,Yalcin A,Aysel V,Erduğan H,Dural B,Güven KC

更新日期：2009-01-01 00:00:00

abstract：:The natural product lupeol 1 was isolated from aerial parts of Vernonia scorpioides with satisfactory yield, which made it viable to be used as starting material in semisynthetic approach. Ten lupeol derivatives 2-11 were prepared by classical procedures. Including, five new esters derivatives 7-11, which were obtaine...

journal_title：Natural product research

authors： Machado VR,Sandjo LP,Pinheiro GL,Moraes MH,Steindel M,Pizzolatti MG,Biavatti MW

更新日期：2018-02-01 00:00:00

abstract：:A new androstanoid metabolite, 4α-methyl-9α-methoxyandrosta-8,15-diene-3,17-dione (1), was isolated from a soil fungus Curvularia borreriae (Pleosporaceae) strain HS-FG-237. Its structure was determined by extensive spectroscopic and X-ray diffraction analyses. Compound 1 exhibited poor cytotoxicity toward HCT-116 cel...

journal_title：Natural product research

authors： Liu LF,Zhang H,Qi H,Wang XM,Wang JD,Tan GS

更新日期：2017-05-01 00:00:00

abstract：:This study was performed to investigate the effect of ethanol extract from Saururus chinensis (Lour.) Baill on liver function, plasma lipid composition and antioxidant system with high-fat diet for 4 weeks. Rats were divided into the following five groups; untreated control group (normal), treated with 0.5% SE (normal...

journal_title：Natural product research

authors： Yu MH,Im HG,Lee JW,Bo MH,Kim HJ,Kim SK,Chung SK,Lee IS

更新日期：2008-02-15 00:00:00

abstract：:A minor new withanolide, named plantagiolide F, was isolated from the whole plant of Tacca plantaginea (Hance). The structure of plantagiolide F was elucidated on the basis of spectroscopic methods including extensive 1- and 2-D NMR experiments. ...

journal_title：Natural product research

authors： Yang JY,Chen CX,Zhao RH,Hao XJ,Liu HY

更新日期：2011-01-01 00:00:00

abstract：:The aim of this study was to investigate the influence of both facility location and typology of fish farm on some ecotoxicological, qualitative and reproductive variables in European sea bass Dicentrarchus labrax L. Several variables were investigated: gonado-somatic index (GSI), liver-somatic index (LSI); 7-ethoxyre...

journal_title：Natural product research

authors： Cangialosi MV,Corsi I,Bonacci S,Sensini C,Cicero N,Focardi S,Mazzola A

更新日期：2013-04-01 00:00:00

abstract：:Pectins were isolated from bark, wood and pith of kenaf (Hibiscus cannabinus L.) variety Cuba108. Imidazole was used as extractant. The isolated pectins were studied by 13C nuclear magnetic resonance (13C-NMR) spectroscopy and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). From the spectroscopic...

journal_title：Natural product research

authors： Pappas CS,Tarantilis PA,Polissiou MG

更新日期：2003-06-01 00:00:00

abstract：:This study discusses the similarities and differences between the antioxidant activities of some essential oils: thyme (Thymus vulgaris), basil (Ocimum basilicum), peppermint (Mentha piperita), clove (Caryophyllus aromaticus), summer savory (Satureja hortensis), sage (Salvia hispanica) and lemon (Citrus limon (L.) Bur...

journal_title：Natural product research

authors： Dawidowicz AL,Olszowy M

更新日期：2014-01-01 00:00:00

abstract：:In the context of our previous communication on phytochemical studies of the ethanolic extract of flowers of Alstonia scholaris of Pakistan origin, these have resulted in the isolation of two new triterpenoids. One is of the oleanane type, alstoprenyol, 3-β-hydroxy-28-β-acetoxy-5-olea triterpene (1), the other is of u...

journal_title：Natural product research

authors： Sultana N,Saify ZS,Saleem M,Kamal M

更新日期：2013-01-01 00:00:00

abstract：:Three new phenanthrenes, stemophenanthrenes A-C (1-3), along with one new stilbenoid, isopinosylvin A (4) and a known compound methyl ferulate (5), were isolated and identified from the roots of Stemona tuberosa Lour. plants, collected in Attapu province (Laos). Their structures were elucidated by spectroscopic analys...

journal_title：Natural product research

authors： Khamko VA,Quang DN,Dien PH

更新日期：2013-01-01 00:00:00

abstract：:The Stewartia koreana Nakai (SK) had been used in oriental traditional medicine as a remedy for acute gastroenteritis, liver diseases, quadriplegia and pain. The antioxidant activity guided isolation 80% methyl extract from stems of SK yielded eight phenolic compounds. We evaluated the anti-oxidative and anti-inflamma...

journal_title：Natural product research

authors： Kim MH,Jang JH,Oh MH,Heo JH,Lee MW

更新日期：2014-01-01 00:00:00

abstract：:4-Methoxybenzene-1-ONN-azoxyformamide (1), 4-methoxybenzene-1-azoformamide (2), 4-hydroxyben-zene-1-azoformamide (3) and 4-hydroxybenzene-1-ONN-azoxyformamide (4) were isolated from the fruiting bodies of Calvatia craniiformis and Lycoperdon hiemale, respectively. Compounds 1 and 4 showed radicle growth inhibitory act...

journal_title：Natural product research

authors： Kamo T,Kashiwabara M,Tanaka K,Ando S,Shibata H,Hirota M

更新日期：2006-05-10 00:00:00

abstract：:From the fermentation broths of the actinomycete Micromonospora rhodorangea, four anthraquinone derivatives (1-4) were isolated, of which 2-ethyl-1,8-dihydroxy-3-methyl-anthraquinone (1) and 3,8-dihydroxy-1-propylanthraquinone (3) were determined as new compounds. Their structures were established by using extensive s...

journal_title：Natural product research

authors： Xue CM,Tian L,Lin WH,Deng ZW

更新日期：2009-01-01 00:00:00

abstract：:Synsepalum dulcifificum is an evergreen shrub native of tropical West Africa. It is very effective against a variety of diseases. However, the phytochemical investigation on this plant is limited till now. In our current study, seventeen compounds were isolated and identified from the ethyl acetate extract of the leav...

journal_title：Natural product research

authors： Wang J,Shao S,Huang R,Wu S

更新日期：2020-10-09 00:00:00

abstract：:The ethanol extract of roots of Solidago canadensis yielded eight labdane-type diterpenes. Five of those were new natural compounds (9,13,15,16-bisepoxy-labdane-7-ene-6,15-dione (3a), 13-epi-9,13,15,16-bisepoxy-labdane-7-ene-6,15-dione (3b), 15,16-epoxy-labdane-7,13-diene-6,16-dione (5), 15-ethoxy-9,13,15,16-bisepoxy-...

journal_title：Natural product research

authors： Wangensteen H,Phan TT,Rise F,Halvorsen TG,Malterud KE

更新日期：2012-01-01 00:00:00

abstract：:A new β-hydroxydihydrochalcone glycoside named ziganin (1) and a new acylated flavonol glycoside named isorhamnetin-3-O-α-L-(2″,3″-di-O-trans-coumaroyl)-rhamnopyranoside) (2), along with two known flavonoid glycosides, a β-hydroxydihydrochalcone glycoside, a hydroxybenzoic acid derivative, a trinorguaiane type sesquit...

journal_title：Natural product research

authors： Özbek H,Güvenalp Z,Kuruüzüm-Uz AE,Kazaz C,Demirezer LÖ

更新日期：2016-01-01 00:00:00

abstract：:Citrinin dimeric derivatives are bioactive polyketides previously reported from Penicillium, Aspergillus and Monascus fungi species. Due to the large distance between the stereogenic centers of the two monomer units, it was difficult to determine the absolute configuration of the whole molecule (1). In previous work, ...

journal_title：Natural product research

authors： Cao F,Sun TT,Yang JK,Zhao GZ,Liu QA,Hu LD,Ma ZY,Zhu HJ

更新日期：2019-08-01 00:00:00

abstract：:A new hexadienamide derivative named sarmentosamide (1) was identified from the culture of Streptomyces sp. SBI108 isolated from Thai soil under an herb. The structure was elucidated on the basis of spectroscopic data, and the absolute configuration was determined by chemical degradation. ...

journal_title：Natural product research

authors： Kitani S,Tomio A,Srichaisupakit A,Daduang R,Intra B,Panbangred W,Oku N,Igarashi Y,Nihira T

更新日期：2013-01-01 00:00:00

abstract：:Neuroprotection under conditions of oxygen stress of two C21 steroidal glycosides, cynsaccatol Q (1) and saccatol K (2), isolated from Cynanchum auriculatum Royle ex Wight, and their potential mechanisms were studied using the model of H2O2-induced damage on PC12 cells in this paper. Experiments showed that compounds ...

journal_title：Natural product research

authors： Zhang M,Wang D,Li B

更新日期：2019-07-02 00:00:00

abstract：:Chemical investigation of the mycelial extract of a mixed culture of two marine alga-derived fungal strains of the genus Aspergillus has yielded one new cyclotripeptide, psychrophilin E (1), the recently reported oxepin-containing alkaloids, protuboxepin A (2) and oxepinamide E (3), together with three other polyketid...

journal_title：Natural product research

authors： Ebada SS,Fischer T,Hamacher A,Du FY,Roth YO,Kassack MU,Wang BG,Roth EH

更新日期：2014-01-01 00:00:00