Arahyside A, a new norsesquiterpene from Arachis hypogaea.

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：:A new citromycetin analogue, ascomycotin A (1), together with eight known compounds, wortmannilactone E (2), orcinol (3), orsellinic acid (4), isosclerone (5), (3R,4S)-( - )-4-hydroxymellein (6), diorcinol (7), chaetocyclinone B (8) and 2,5-dimethoxy-3,6-di(p-methoxypheny1)-1,4-benzoquinone (9), was isolated from the ...

journal_title：Natural product research

authors： Tian YQ,Lin XP,Liu J,Kaliyaperumal K,Ai W,Ju ZR,Yang B,Wang J,Yang XW,Liu Y

更新日期：2015-01-01 00:00:00

abstract：:A new 5-O-beta-D-glucopyranosyl-4-(4-hydroxyphenyl)-7-methoxy-2H-chromen-2-one (1), together with four known compounds, one coumarin, 5-O-beta-D-galactopyranosyl-4-(4-hydroxyphenyl)-7-methoxy-2H-chromen-2-one (2) and three cucurbitacins, 23,24-dihydrocucurbitacin F (3), 23,24-dihydro-25-acetylcucurbitacin F (4) and 2-...

journal_title：Natural product research

authors： Olmedo D,Rodríguez N,Vásquez Y,Solís PN,López-Pérez JL,Feliciano AS,Gupta MP

更新日期：2007-06-01 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：:This study showed for the first time the antioxidant and hypoglycaemic properties of the methanol, n-hexane and ethyl acetate extracts from Senecio stabianus Lacaita, a plant that belongs to the Asteraceae family. The antioxidant activities were carried out using two different in vitro assays, namely 2,2-diphenyl-1-pi...

journal_title：Natural product research

authors： Tundis R,Menichini F,Loizzo MR,Bonesi M,Solimene U,Menichini F

更新日期：2012-01-01 00:00:00

abstract：:Acetylcholinesterase (AChE) inhibitors have been used for the symptomatic treatment of Alzheimer's disease. Eleven whole plants from Panama belonging to the Lycopodiaceae family have been screened for their anticholinesterase inhibitory and antioxidant activities by a thin-layer chromatography (TLC) bioautography meth...

journal_title：Natural product research

authors： Calderón AI,Simithy-Williams J,Sanchez R,Espinosa A,Valdespino I,Gupta MP

更新日期：2013-03-01 00:00:00

abstract：:Two new ent-atisanediterpenoids, ent-atisane-16β, 17-isopropylidenedioxy-19-ol-3-one (1) and ent-atisane-16β, 17-isopropylidenedioxy-11β, 18-dihydroxyl-3-one (2) were isolated from the whole plants of Euphorbia wallichii. Their structures were elucidated on the basis of extensive spectroscopic analyses. ...

journal_title：Natural product research

authors： Kuang Y,Fu SY,Wang F,Ren FC,Yang DF,Yang SX,Gao Y

更新日期：2017-04-01 00:00:00

abstract：:A simple and efficient method was developed for simultaneous analysis of five illegal residual β2-agonists in cattle hair. β2-Agonists were quantified by ultra high performance liquid chromatography coupled with electrospray ionisation tandem mass spectrometry operating in positive multiple-reaction monitoring mode. T...

journal_title：Natural product research

authors： Di Stefano V,Pitonzo R,Giaccone V,Alongi A,Macaluso A,Cicero N,Cancemi G,Ferrantelli V

更新日期：2017-02-01 00:00:00

abstract：:Leaves of Kalanchoe pinnata are used worldwide for healing skin wounds. This study aimed to develop and compare two creams containing a leaf aqueous extract of K. pinnata (KP; 6%) and its major flavonoid [quercetin 3-O-α-L-arabinopyranosyl-(1→2)-α-L-rhamnopyranoside] (0.15%). Both creams were topically evaluated in a ...

journal_title：Natural product research

authors： Coutinho MAS,Casanova LM,Nascimento LBDS,Leal D,Palmero C,Toma HK,Dos Santos EP,Nasciutti LE,Costa SS

更新日期：2020-09-14 00:00:00

abstract：:The composition and antibacterial activity of the essential oil of the aerial flowering parts of Nepeta hormozganica Jamzad have been studied. Analysis of the oil was conducted by GC-FID and GC-MS. Thirty-two components were characterized accounting for 99.4% of the total oil. Oxygenated monoterpenes (87.5%) were foun...

journal_title：Natural product research

authors： Sonboli A,Saadat MH,Arman M,Kanani MR

更新日期：2017-12-01 00:00:00

abstract：:From the deep-sea-derived fungus Aspergillus candidus, one novel (1) and three known (2-4) p-terphenyl derivates were isolated. The structure of the new compound was established mainly on the basis of extensive analysis of 1D and 2D NMR data. All four isolates were tested for in vitro anti-food allergic and antitumor ...

journal_title：Natural product research

authors： Lin YK,Xie CL,Xing CP,Wang BQ,Tian XX,Xia JM,Jia LY,Pan YN,Yang XW

更新日期：2019-06-24 00:00:00

abstract：:Seven pentacyclic triterpenoids including 3beta-O-(E)-coumaroyl-15alpha-hydroxy-beta-amyrin (1), 15alpha-hydroxy-beta-amyrin (2), 3beta-taraxerol (3), 3beta-taraxerol formate (4), 3beta-taraxerol acetate (5), 3beta-O-(E)-coumaroyl-taraxerol (6), and 3beta-O-(Z)-coumaroyl-taraxerol (7) were isolated and identified from...

journal_title：Natural product research

authors： Li DL,Li XM,Wang BG

更新日期：2008-06-15 00:00:00

abstract：:Formulations of traditional medicines are usually made up of a complex mixture of herbs. However, effective quality control methods in order to select materials of the right quality are lacking. 'Amukkara choornam' is a polyherbal Siddha formulation used for gastritis, spleen enlargement, leucorrhoea, hiccups, anaemia...

journal_title：Natural product research

authors： Patra KC,Singh B,Pareta S,Kumar KJ

更新日期：2010-12-01 00:00:00

abstract：:Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography (GC-FID) was explored to determine the fingerprinting characteristic of Zingiber zerumbet L. volatiles to differentiate between different ginger species. The effect of different fibers [polydimethylsiloxane (PDMS, 7 μm), polyacrylate (PA, ...

journal_title：Natural product research

authors： Bhavya ML,Ravi R,Madhava Naidu M

更新日期：2019-07-22 00:00:00

abstract：:Three new compounds; epi-mukulin, (Z)-Δ(1,2) dehydroguggulsterone and Δ(6,7)dehydro-20-hydroxygugglsterone were isolated from the n-hexane-soluble fraction (HSF) of the methanol extract of guggul, the oleogum resin of Commiphora wightii together with six known compounds: diasesartemin, (+)-epi-magnolin, (+)-diayangamb...

journal_title：Natural product research

authors： El-Mekkawy S,Meselhy MR,Nkobole N,Lall N

更新日期：2013-01-01 00:00:00

abstract：:Chemical investigation of Trogopterus faeces has led to the isolation of seven flavonoids. Their structures were elucidated by chemical and spectral analyses. In an anticoagulative assay, three kaempferol coumaroyl rhamnosides had significant antithrombin activity. This is the first report on the occurrence of flavono...

journal_title：Natural product research

authors： Yang NY,Tao WW,Duan JA

更新日期：2010-11-01 00:00:00

abstract：:A new triterpene, javablumine A (1) along with six known ones were isolated from the aerial parts of Sambucus javanica Blume. They were identified as 3β,23-dihydroxy-11α,12α-epoxy-urs-20(30)-en-28,13β-olide (1), ursolic acid (2), pomolic acid (3), oleanic acid (4), 2α-hydroxy-oleanolic acid (5), α-amyrin (6), and lupe...

journal_title：Natural product research

authors： Chen F,Liu DL,Wang W,Lv XM,Li W,Shao LD,Wang WJ

更新日期：2020-10-01 00:00:00

abstract：:As part of our search for compounds with cytotoxicity from endophytes of traditional Chinese medicines, two novel nor-sesquiterpenoids (1-2) with a new skeleton containing a tetrahydrofuran moiety were isolated form a rice medium of Fusarium tricinctum, an endophytic fungus isolated from the root of Ligusticum chuanxi...

journal_title：Natural product research

authors： Cao YM,Guo DL,Jin MY,Tan L,Yang TL,Deng F,Gu YC,Li XH,Cao ZX,Deng Y

更新日期：2020-01-24 00:00:00

abstract：:The microbial transformation studies of 7-O-prenylquercetin (1), 4'-O-prenylquercetin (2) and quercetin (3) were investigated with 20 different microbial strains to discover new metabolites. It was revealed that the fungus Mucor hiemalis was the most appropriate micro-organism which was capable of transforming these f...

journal_title：Natural product research

authors： Xiao Y,Lee IS

更新日期：2018-04-01 00:00:00

abstract：:One new sesqui-neolignan compound, namely, sesqui-illisimonan A (1), one new neolignan, illisimonan A (2), and one new phenylpropanoid compound, illisimoid A (3) were isolated from the fruits of Illicium simonsii Maxim. The structures and absolute configurations of these compounds were determined by extensive spectros...

journal_title：Natural product research

authors： Zhuang PY,Chen MH,Wang YN,Wang XX,Feng YJ,Zhang DY

更新日期：2018-10-01 00:00:00

abstract：:The present study was designed to evaluate the herbicidal activity of Datura metel against the noxious weed parthenium (Parthenium hysterophorus L.). In a laboratory bioassay, the effect of aqueous, methanol and n-hexane shoot and root extracts of 5, 10, 15 and 20% w/v (on a fresh weight basis) concentration of D. met...

journal_title：Natural product research

authors： Javaid A,Shafique S,Shafique S

更新日期：2010-09-01 00:00:00

abstract：:A new β-tetralonyl glucoside, methylberchemiaside (1), along with five known compounds (2-6) were isolated from a fungus Colletotrichum sp . GDMU-1 derived from the leaves of Santalum album. Their structures were determined by detailed analysis of spectroscopic data. All compounds were tested for the inhibitory effect...

journal_title：Natural product research

authors： Liu W,Chen S,Li J,Yang X,Yan C,Liu H

更新日期：2019-02-01 00:00:00

abstract：:Peperomia obtusifolia is a herbaceous perennial plant native to the Americas reported as a traditional medicine to treat snake bites and as a skin cleanser. The bioassay-guided fractionation of crude extracts from aerial parts of P. obtusifolia against a panel of clinically important fungi and bacteria, showed that he...

journal_title：Natural product research

authors： Ruiz Mostacero N,Castelli MV,Cutró AC,Hollmann A,Batista JM Jr,Furlan M,Valles J,Fulgueira CL,López SN

更新日期：2019-06-14 00:00:00

abstract：:Two new monoterpene glucosides: xanmonoter A (1) and xanmonoter B (2) were isolated from Xanthium strumarium. Their structures were elucidated on the basis of 1D and 2D NMR, MS and CD analysis. Compounds 1 and 2 were tested for their anti-inflammatory activity with IC50 values of 17.4, 22.1 μM, respectively. ...

journal_title：Natural product research

authors： Jiang H,Xing X,Yan M,Guo X,Yang L,Yang L

更新日期：2019-12-01 00:00:00

abstract：:The chemical composition of the essential oil (EO) obtained from the aerial parts of Rydingia michauxii (Briq.) Scheen & V.A. Albert was analysed by gas chromatography and gas chromatography/mass spectrometry (GC/MS). Eighty components were identified in the oil with caryophyllene oxide (20.1%), trans-verbenol (10.2%)...

journal_title：Natural product research

authors： Karami A,Esmaeili H,Shahbazian D

更新日期：2018-01-01 00:00:00

abstract：:A screening of Chinese medicinal herbs and wild plants for agrochemicals was carried out; the essential oil of Glycosmis lucida leaves was found to possess significant repellent activity against Tribolium castaneum and Liposcelis bostrychophila. It was found that the main components included elixene (19.81%), spathule...

journal_title：Natural product research

authors： Guo SS,Zhang WJ,Yang K,Liang JY,You CX,Wang CF,Li YP,Geng ZF,Deng ZW,Du SS

更新日期：2017-05-01 00:00:00

abstract：:Four fractions were prepared from the crude extract of Caesalpinia minax Hance and the inhibitory activity of nitric oxide (NO) production release of RAW 264.7 cells stimulated by lipopolysaccharide (LPS) was evaluated. The ethyl acetate (EtOAc) fraction showed obvious inhibitory effect. Bioassay-guided fractionation ...

journal_title：Natural product research

authors： Liu Q,Bai B,Yang DP,Peng SY,Zhu LP,Luo MH,Zhao ZM

更新日期：2018-04-01 00:00:00

abstract：:Immuno-therapies are gaining more importance to treat certain forms of cancer. The goal of therapies is to enhance person's own IgG, IgA, IgM, IgD, IgE and macrophages to combat with neoplastic cells hence the effectiveness of the immune system. Since, early civilization mushrooms are considered as potent food as well...

journal_title：Natural product research

authors： Pandya U,Dhuldhaj U,Sahay NS

更新日期：2019-09-01 00:00:00

abstract：:A series of 4-hydroxy-3,4-dialkyl-2,6-diaryl-piperidine (7-12) have been synthesised by reduction of 3-alkyl-2,6-diarylpiperidin-4-one using the Grignard reagent. Structural assignments and conformational analysis of the compounds were established based on the spectral studies. All the piperdin-4-ol derivatives (7-12)...

journal_title：Natural product research

authors： Maruthavanan T,Venkatesan P

更新日期：2013-01-01 00:00:00

abstract：:Leishmaniasis is caused by parasites of the genus Leishmania. Recent reports about leishmaniasis show a few number of drugs available, indicating the necessity of new drugs. In this study, the ethanol extract and fractions of Pityrogramma calomelanos (L.) link. (Pteridaceae) were assayed to verify the cytotoxicity and...

journal_title：Natural product research

authors： Souza TM,Morais-Braga MF,Saraiva AÁ,Rolón M,Vega C,de Arias AR,Costa JG,Menezes IR,Coutinho HD

更新日期：2013-01-01 00:00:00