A new benzophenone glycoside from the leaves of Mitracarpus villosus.

abstract：:In this study the antioxidant and cytotoxicity activity of the Adonidia merrillii fruits were investigated using different solvent polarities (methanol, ethyl acetate and water). The results showed that the total phenolic and flavonoid contents of the methanolic extract was higher compare with other extract with respe...

journal_title：Natural product research

authors： Vafaei A,Bin Mohamad J,Karimi E

更新日期：2019-09-01 00:00:00

abstract：:The actinomycete strain FIM06-0036 was isolated from marine sponge sample collected from the East China Sea and identified as Verrucosispora sp. based upon the results of 16S rRNA sequence analysis. One new alkaloid, 2-ethylhexyl 1H-imidazole-4-carboxylate (1), together with a known alkaloid butyl 1H-imidazole-4-carbo...

journal_title：Natural product research

authors： Chen MH,Lian YY,Fang DS,Chen L,Jia J,Zhang WL,Lin R,Xie Y,Bi HK,Jiang H

更新日期：2019-11-15 00:00:00

abstract：:New ent-trachylobane-3β-hydroperoxide (5) together with four known compounds, ricinine (1), trimethoxy ellagic acid (2), dimethoxy ellagic acid (3) and aleurotolic acid (4) were isolated from the methylene chloride fraction of the root bark of Chrozophora oblongifolia. The structures of these secondary metabolites wer...

journal_title：Natural product research

authors： Kamel MR,Nafady AM,Hassanein AMM,Hassan AR,Shimizu K,Ibrahim RR,Haggag EG

更新日期：2019-11-06 00:00:00

abstract：:In Lithuania, two species of the genus Fragaria L. (Rosaceae), F. vesca L. and F. viridis Weston, occur naturally in the wild and two others, F. moschata Weston and F. × ananassa Duchesne ex Rozier are found escaped from cultivation. The main objective of this study was to establish the variation pattern in the conten...

journal_title：Natural product research

authors： Bagdonaite E,Jakstas V,Raudonis R,Janulis V

更新日期：2013-01-01 00:00:00

abstract：:In this study, the ethanol extract of Momordica dioica fruit extract (200 mg kg(-1)) was studied for nephroprotective and curative activities. Chloroform, ethyl acetate, ethanol and aqueous extracts were prepared. In vitro antioxidant activity was made the basis for the selection of the ethanol extract for further stu...

journal_title：Natural product research

authors： Jain A,Singhai AK

更新日期：2010-05-01 00:00:00

abstract：:A series of (E)-1-(4-alkyloxyphenyl)-3-(hydroxyphenyl)-prop-2-en-1-one have been successfully synthesised via Claisen-Schmidt condensation. The synthesised chalcone derivatives consisted of hydroxyl groups at either ortho, meta or para position and differed in the length of the alkyl groups, C (n) H(2) (n) (+1,) whe...

journal_title：Natural product research

authors： Ngaini Z,Fadzillah SM,Hussain H

更新日期：2012-01-01 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 comet assay-guided fractionation of the twigs of Manglietia hookeri resulted in the isolation of three sesquiterpene-neolignans, including a new one 5-allyl-2-(4-allyl-phenoxy)-3-[7-(1-hydroxy-1-methyl-ethyl)-1, 4a-dimethyl-decahydro-naphthalen-1-yloxy]-phenol (1), and eudesobovatol A (2) and eudesobovatol B (3), ...

journal_title：Natural product research

authors： Hu X,Sui X,Wang Y,Wang W,Wu H,Zhang F,Tan Y,Zhang F

更新日期：2016-07-01 00:00:00

abstract：:Pigments synthesised by Chryseobacterium sp. kr6 growing on feather waste were extracted and characterised. The pigment extract was characterised by KOH test, UV-vis, CIELAB colour system, HPLC-DAD-MS, FTIR and its antioxidant capacity was evaluated. A positive bathochromic shift was observed when kr6 colonies or pigm...

journal_title：Natural product research

authors： Jiménez MEP,Pinilla CMB,Rodrigues E,Brandelli A

更新日期：2019-06-01 00:00:00

abstract：:The stem bark of Cussonia bancoensis is used traditionally for the treatment of different types of infection and pain. A bioassay guided fractionation of the methanol stem bark extract led to the isolation of five pentacyclic triterpenes and glycosides identified based on spectroscopic data as 23-hydroxyursolic acid (...

journal_title：Natural product research

authors： Mireku EA,Mensah AY,Amponsah IK,Danquah CA,Anokwah D,Kwesi Baah M

更新日期：2020-03-01 00:00:00

abstract：:Three new sesquiterpenes: 4-acrylic-6-methyl-α-tetralone (1), ainsliaea acid A (2) and ainsliaea acid B (3), together with 8 known compounds (4-11) were isolated from the whole herb of Ainsliaea glabra and their structures were established by means of 1D and 2D NMR spectroscopy and HR-ESIMS. Compounds 1-6 were tested ...

journal_title：Natural product research

authors： Chen YP,Tong C,Lu WQ,Shen YH,Wu ZJ,Chen WS

更新日期：2019-01-01 00:00:00

abstract：:Phytochemical investigation of the methylenechloride/methanol extract of the aerial parts of Stachys aegyptiaca afforded a new neoclerodane-type diterpene with a new side chain 1, in addition to two known diterpenes 2 and 3 and a known flavonoid glycoside 4. The structures of the compounds were determined by comprehen...

journal_title：Natural product research

authors： Mohamed Ael-H,Mohamed NS

更新日期：2014-01-01 00:00:00

abstract：:Two new and one known compounds were isolated from the methanol extract of Sesamum indicum leaves. By means of spectroscopic methods, their structures were elucidated and identified to be 3-epibartogenic acid (1), kaempferol 3-O-[2-O-(trans-p-coumaroyl)-3-O-α-L-rhamnopyranosyl]-β-D-glucopyranoside (2) and epigallocate...

journal_title：Natural product research

authors： Dat NT,Dang NH,Thanh le N

更新日期：2016-01-01 00:00:00

abstract：:This paper addresses the application of infrared spectroscopy in combination with chemometrics to identify wall painting's binding medium while employing pattern recognition techniques to process FTIR data-set of complex samples. In this regard, based on the historical documents and previous researches, firstly 56 sta...

journal_title：Natural product research

authors： Haghighi Z,Karimy AH,Karami F,Bagheri Garmarudi A,Khanmohammadi M

更新日期：2019-04-01 00:00:00

abstract：:A novel alkaloid named oleraciamide C (1), with six known compounds, hydroxydihydrobovolide (2), uracil (3), catechol (4), 4-aminophenol (5), vanillic acid (6) as well as 3-hydroxypyridine (7), were isolated from Portulaca oleracea L. Additionally, hydroxydihydrobovolide (2), 4-aminophenol (5), 3-hydroxypyridine (7) w...

journal_title：Natural product research

authors： Xu L,Ying Z,Wei W,Hao D,Wang H,Zhang W,Li C,Jiang M,Ying X,Liu J

更新日期：2017-04-01 00:00:00

abstract：:The structure of pregnane oligoglycosides, namely rocinine (1) and marsdinine (11), which have been isolated from the chloroform soluble extract of the dried stem of Marsdenia roylei, were elucidated using MS, (1)H NMR, (13)C NMR, (1)H-(1)H COSY, HSQC and TOCSY experiments as well as chemical degradation and derivatis...

journal_title：Natural product research

authors： Gupta V,Kumar A,Khare A,Khare NK

更新日期：2009-01-01 00:00:00

abstract：:Michael reaction acceptors (MRAs) are a class of active compounds. There is a great prospect to screen STAT3 inhibitors from Eupatorium lindleyanum, furthermore, to discover lead compounds for anti-triple-negative breast cancer (TNBC). In this study, glutathione (GSH) was employed, and a UPLC-MS screening method was d...

journal_title：Natural product research

authors： Yang B,Shen JW,Zhou DH,Zhao YP,Wang WQ,Zhu Y,Zhao HJ

更新日期：2019-02-01 00:00:00

abstract：:Two new ditetrahydrofuran lignans, named sieverlignans A and B (1 and 2), together with six known ones (3-8), were isolated from the aerial parts of Artemisia sieversiana. Their structures were established on the basis of spectroscopic analysis including HRMS, NMR spectra and circular dichroism experiments. All the co...

journal_title：Natural product research

authors： Zhou XD,Xu XW,Shi LY,Chen SH,Zeng KW,Tu PF

更新日期：2020-01-13 00:00:00

abstract：:An eremophilane-type sesquiterpenoid (EPS), 3-oxo-eremophila-1,7(11)-dien-12,8β-olide, has been isolated from anti-inflammatory folk herbs, Ligularia pleurocaulis. The aim of present study is to explore protective effects of EPS on lipopolysaccharide (LPS)-induced inflammatory responses in acute lung injury (ALI). EPS...

journal_title：Natural product research

authors： Hu Y,Yang H,Ding X,Tao L,Liu M,Zhang C

更新日期：2020-03-31 00:00:00

abstract：:A new 24-membered macrolide, 5'-epi-SPA-6952A (1), was isolated from the cultured broth of Streptomyces diastatochromogenes. The structure was elucidated by means of spectroscopic methods and comparing with literature data of the known 24-membered macrolide SPA-6952A. Compound 1 was found to show significant insectici...

journal_title：Natural product research

authors： Cao H,Liu W,Chang Y,Chen H,Zhang Y,Xu W,Tao L

更新日期：2019-03-01 00:00:00

abstract：:The essential oils of sage leaves (Salvia aucheri Bentham var. canescens Boiss. & Heldr.), growing wild in South Anatolia, were extracted by hydrodistillation and analysed by GC and GC-MS. The percentage yields of the essential oils from sage leaves harvested at different years were 1.0%, 1.3%, 1.3%, 1.0%, 1.4%, 1.5% ...

journal_title：Natural product research

authors： Figueredo G,Chalchat JC,Chalard P,Özcan MM,Al Juhaimi FY

更新日期：2012-01-01 00:00:00

abstract：:Marsdenia tinctoria is an indigo producing plant commonly found in Borneo, Malaysia. In this present study, one new flavone kapitone (1) and three known compounds, that is 3,2'-dihydroxyflavone (2), 1-methylcyclobutene (3) and dimethyl isatoate (4) were isolated from the Malaysia Borneo M. tinctoria R. Br. (Apocynacea...

journal_title：Natural product research

authors： Mohd Nasuha NA,Choo YM

更新日期：2016-07-01 00:00:00

abstract：:Two new triterpene saponins, namely notoginsenoside Ng5 (1) and notoginsenoside Ng6 (2) were isolated from the leaves of Panax notoginseng, along with five known ones. Their structures were determined by chemical methods, NMR and X-ray experiments. The absolute configuration of compound 3 with four sugar units was con...

journal_title：Natural product research

authors： Huang JW,Du YQ,Li CJ,Yang JZ,Ma J,Zang YD,Chen NH,Zhang DM

更新日期：2019-10-22 00:00:00

abstract：:In the present study, profiles of fatty acid, sn-2 fatty acid, triglyceride, phytochemical (including tocopherol/tocotrienol, phytosterol, flavonoid, carotenoid and polyphenol) and antioxidant capacity of extracts from the whole berry, pulp and seed of Hippophae¨ rhamnoides ssp. yunnanensis were investigated and compa...

journal_title：Natural product research

authors： Shi L,Zheng L,Zhao C,Jin Q,Wang X

更新日期：2019-12-01 00:00:00

abstract：:The use of natural products as a diet supplement is increasing worldwide but sometimes is not followed by adequate sanitary controls and analyses. Twenty samples of pills and capsules of lyophilised cyanobacteria (blue-green algae), commercialised in Italy as dietary supplements, were found positive at the Vibrio fisc...

journal_title：Natural product research

authors： Bruno M,Fiori M,Mattei D,Melchiorre S,Messineo V,Volpi F,Bogialli S,Nazzari M

更新日期：2006-07-20 00:00:00

abstract：:Euphorbia hirta (L.) plant is traditionally used in Malaysia for the treatment of gastrointestinal, bronchial and respiratory ailments caused by nosocomial infectious agents. Bioactivity-guided fractionation of the methanol extract of the aerial parts of E. hirta and analysis using high-performance liquid chromatograp...

journal_title：Natural product research

authors： Perumal S,Mahmud R,Ramanathan S

更新日期：2015-01-01 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：:The world's rainforests hold untold potential for drug discovery. Rainforest plants are thought to contain evolved defensive active metabolites of greater diversity compared to plants from temperate regions. In recent years, the interest and overall output from pharmaceutical companies on novel antibacterial agents ha...

journal_title：Natural product research

authors： Othman M,Genapathy S,Liew PS,Ch'ng QT,Loh HS,Khoo TJ,Wiart C,Ting KN

更新日期：2011-11-01 00:00:00

abstract：:Plants, in their life cycle, are usually exposed to various kinds of non-biological stresses including heavy metals. One of these heavy metals is nickel which affects many physiological processes of plants. Studies have shown that the changes in planting conditions can affect the qualitative and quantitative features ...

journal_title：Natural product research

authors： Arefifard M,Mahdieh M,Amirjani M

更新日期：2014-01-01 00:00:00

abstract：:The stems of Cinnamomum reticulatum Hay (Lauraceae) were extracted with hexane and chloroform successively. A series of new esters, including a mixture of 4-hydroxy-3-methoxyphenethyl derivatives, along with two butanolides, isoobtusilactone A and obtusilactone A, two amides, N-trans-feruloylmethoxytyramine and N-cis-...

journal_title：Natural product research

authors： Lin IJ,Lo WL,Chia YC,Huang LY,Cham TM,Tseng WS,Yeh YT,Yeh HC,Wang YD,Chen CY

更新日期：2010-05-01 00:00:00