Evidence of cyanamide production in hairy vetch Vicia villosa.

abstract：:Capparis spinosa L. is a perennial plant typical of the Mediterranean flora and a multipurpose plant used for curing various human ailments. Quaternary ammonium compounds (QACs), as constituents of Capparaceae, play important roles in protecting against abiotic stress. Aim of this work was to determine QACs in root an...

journal_title：Natural product research

authors： Al-Tamimi A,Khatib M,Pieraccini G,Mulinacci N

更新日期：2019-05-01 00:00:00

abstract：:Lycopus europaeus L. leaves water extract (LEL) was subjected to phytochemical analysis, and evaluated for its antibacterial and antioxidant effects. Antibacterial activity testing was performed on Staphylococcus aureus clinical strains from catheter-related and skin infections by broth microdilution test. LEL showed ...

journal_title：Natural product research

authors： Fialová S,Slobodníková L,Veizerová L,Grančai D

更新日期：2015-01-01 00:00:00

abstract：:A new compound, jolynamine (1), was isolated from the marine brown alga Jolyna laminarioides collected from the coast of Karachi, Pakistan. In addition, four known compounds, namely saringosterol (2), loliolide (3), methyl-4-hydroxybenzoate (4) and propyl-4-hydroxybenzoate (5), were isolated for the first time from th...

journal_title：Natural product research

authors： Khan AM,Noreen S,Imran ZP,Choudhary MI

更新日期：2011-05-01 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 alkaloids of the furoquinoline-type were isolated from Ammi majus L.; a new one and was identified as 4-hydro-7-hydroxy-8-methoxyfuroquinoline (1), and the other was isolated for the second time from nature and was identified as 4-hydro-7-hydroxy-8-prenyloxyfuroquinoline (2). The structures of the isolated compoun...

journal_title：Natural product research

authors： Mohammed MM,El-Sharkawy ER

更新日期：2017-03-01 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：:The chemical constituents identified in the essential oils hydrodistilled from the leaves of Amomum gagnepainii T.L.Wu, K.Larsen and Turland and Amomum repoense Pierre ex Gagnep (Zingiberaceae) of Vietnam origin are reported. The chemical analyses were performed by means of gas chromatography-flame ionisation detector...

journal_title：Natural product research

authors： Huong LT,Hung NV,Chung MV,Dai DN,Ogunwande IA

更新日期：2018-02-01 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：:Two new C13-norsesquiterpenes claulanterpene A (1) and B (2), together with two known sesquiterpenes (3-4), were isolated from methanol extract of the stem and leaf of Clausena lansium collected from Qingyuan county, Guangdong Province, China. Their structures were elucidated on the base of extensive spectroscopic ana...

journal_title：Natural product research

authors： Liu XY,Fu XX,Li YY,Xiong ZH,Li BT,Peng WW

更新日期：2020-03-25 00:00:00

abstract：:This present study was designed to isolate the compounds of Memecylon edule. The chemical compounds were purified by chromatographic methods and their structures were established on the basis of spectroscopic analyses (UV, MS and NMR). The major isolated compounds were tested for anti-inflammatory activity. The methan...

journal_title：Natural product research

authors： Nualkaew S,Thongpraditchote S,Wongkrajang Y,Umehara K,Noguchi H

更新日期：2017-06-01 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：:Six new compounds, including three terpenoids (1-3) and three lignans (4-6), were isolated from the 95% EtOH extract of the twigs of Tripterygium hypoglaucum. Their structures were determined on the basis of extensive spectroscopic analysis. 9'-O-benzoyl-lariciresinol (4) showed weak cytotoxicity against HepG2/Adr cel...

journal_title：Natural product research

authors： Zheng H,Wang L,Yang T,Liu D,Li HM,Chen XQ,Li RT

更新日期：2020-07-01 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：:The essential oils obtained by hydrodistillation from the leaves of Tabernaemontana catharinensis had their composition analysed by GC-MS. A total of 18 substances were identified, consisting of a complex mixture of sesquiterpenes (83.52%), monoterpenes (5.46%) and triterpenes (4.56%). The main components in the oil w...

journal_title：Natural product research

authors： Boligon AA,Schwanz TG,Piana M,Bandeira RV,Frohlich JK,de Brum TF,Zadra M,Athayde ML

更新日期：2013-01-01 00:00:00

abstract：:In this work, we report a rapid and convenient HPLC-UV-DAD method for the isolation of δ-T3 on semi-preparative scale from two different vitamin E rich processed, commercially available products obtained from the fruits of Elaeis guineensis Jacq. (oil palm) and from the seeds of Bixa orellana L. (achiote tree). Chroma...

journal_title：Natural product research

authors： Beretta G,Gelmini F,Fontana F,Moretti RM,Montagnani Marelli M,Limonta P

更新日期：2018-05-01 00:00:00

abstract：:Chromatographic purification of the DCM sub-extract of Uvaria grandiflora led to the isolation and characterization of a new polyoxygenated cyclohexane derivative, grandifloranol (1), together with five known compounds. Among the compounds isolated, zeylenone (3) showed moderate antitubercular activity against Mycobac...

journal_title：Natural product research

authors： Macabeo APG,Flores AIG,Fernandez RAT,Budde S,Faderl C,Dahse HM,Franzblau SG

更新日期：2020-03-23 00:00:00

abstract：:Dunaliine A (1), a new amino diketone, has been isolated from the leaves of Desmos dunalii together with four known dihydrochalcones: 2',4-dihydroxy-4',6'-dimethoxy-3',5'-dimethyldihydrochalcone (2), 2',4-dihydroxy-4',6'-dimethoxydihydrochalcone (3), 2',4-dihydroxy-4',5',6'-trimethoxydihydrochalcone (4) and 2',4-dihyd...

journal_title：Natural product research

authors： Awang K,Abdullah Z,Mukhtar MR,Litaudon M,Jaafar FM,Hadi AH,Thomas NF

更新日期：2009-01-01 00:00:00

abstract：:Two new alkaloids, 4'-O-demethylhamatine (1) and ancistrotectoriline C (2), were isolated from the stems and leaves of Ancistrocladus tectorius. These two compounds represent one 5,1'-coupled and one 7,6'-coupled naphthylisoquinoline alkaloid, respectively. Their structures were elucidated by 1D- and 2D-NMR spectra an...

journal_title：Natural product research

authors： Tang CP,Xin ZQ,Li XQ,Ye Y

更新日期：2010-07-01 00:00:00

abstract：:The present study explored the schizonticidal potential of traditionally used Magnolia champaca (L.) Baill. ex. Pierre flowers, identifying constituents of interest. The extraction of phytoconstituents was carried out by microwave-assisted technique, isolated via column chromatography, and characterised by various phy...

journal_title：Natural product research

authors： Mehrotra E,Vishwakarma J,Tripathi AC,Sonar PK,Saraf SK

更新日期：2019-02-01 00:00:00

abstract：:This study investigated the pharmacokinetics of hesperidin (HP), ferulic acid (FA) and p-coumaric acid (CA) in rat plasma after oral administration of Portulaca oleracea L. extract (POE). The plasma concentrations were determined by HPLC with vitexin-2″-O-rhamnoside (VR) as internal standard. The calibration curves we...

journal_title：Natural product research

authors： Cheng Z,Wang D,Zhang W,Du Y,Wang Y,Zhai Y,Ying X,Kang T

更新日期：2012-01-01 00:00:00

abstract：:Six compounds, benzyl 3-O-β-D-glucopyranosyl-7-hydroxybenzoate (1), spathulenol (2), 1,7,8-trihydroxy-2-naphtaldehyde (3), quercetin (4), astragalin (5) and 2-methoxy-4-(2-propenyl)phenyl β-D-glucoside (6), were isolated from the leaves of Melia azedarach L. The structure elucidation of compound 1 was discussed in det...

journal_title：Natural product research

authors： Zeng J,Ma RJ,Wang L,Zhang SN,Song HZ,Yang Y,Tan QG

更新日期：2019-10-01 00:00:00

abstract：:The chemical composition of the solvent extracted fixed oil of black cumin (Nigella sativa L.) seeds was determined by capillary GC and GC/MS. Thirty-two fatty acids (99.9%) have been identified in the fixed oil. The major fatty acids were linoleic acid (50.2%), oleic acid (19.9%), margaric acid (10.3%), cis-11,14-eic...

journal_title：Natural product research

authors： Amin S,Mir SR,Kohli K,Ali B,Ali M

更新日期：2010-07-01 00:00:00

abstract：:A new ent-kaurane diterpenoid, lophanthodin G (1) and one known abietanoid, 6alpha-hydroxyferruginol (2), were isolated from the leaves of Isodon lophanthoides var. geradianus. The structure of the new compound 1 was established using spectroscopic methods including extensive 1D and 2D NMR analysis. ...

journal_title：Natural product research

authors： Liu YH,Huang SX,Zhao QS,Ding JK,Goh NK,Sun HD,Chia TF,Tan SN,Chia LS

更新日期：2008-01-01 00:00:00

abstract：:The chemical composition and antioxidant activities of the essential oil from Nandina domestica fruits were studied for the first time. Twenty-two compounds, representing 82.79% of the oil, were identified from the oil. The major compounds were 3-hexen-1-ol (12.9%), linalool (12.3%), 2-methoxy-4-vinylphenol (9.9%), ol...

journal_title：Natural product research

authors： Bi SF,Zhu GQ,Wu J,Li ZK,Lv YZ,Fang L

更新日期：2016-01-01 00:00:00

abstract：:Here is reported the anti Leishmania infantum activity of 48 hexane, CH2Cl2 and MeOH extracts from 16 macroalgae collected on the Iberian Coast. Seven hexane and CH2Cl2Cystoseira baccata, Cystoseira barbata, Cystoseira tamariscifolia, Cystoseira usneoides, Dictyota spiralis and Plocamium cartilagineum extracts were ac...

journal_title：Natural product research

authors： Bruno de Sousa C,Lago JHG,Macridachis J,Oliveira M,Brito L,Vizetto-Duarte C,Florindo C,Hendrickx S,Maes L,Morais T,Uemi M,Neto L,Dionísio L,Cortes S,Barreira L,Custódio L,Alberício F,Campino L,Varela J

更新日期：2019-06-01 00:00:00

abstract：:The optimisation of nutritional requirements for dopamine (DA) synthesis by calcium alginate-entrapped mutant variant of Aspergillus oryzae EMS-6 using submerged fermentation technique was investigated. A total of 13 strains were isolated from soil. Isolate I-2 was selected as a better producer of DA and improved by e...

journal_title：Natural product research

authors： Ali S,Nawaz W

更新日期：2017-02-01 00:00:00

abstract：:The anti-enteroviral activity of three stilbenoids isolated from the leaves of Macaranga barteri was investigated using the cytopathic effect reduction assay. The stilbenes were inactive against echovirus E13 but showed activity against echoviruses E7 and E19. In particular, vedelianin (2), schweinfurthin G (3) and ma...

journal_title：Natural product research

authors： Segun PA,Ogbole OO,Akinleye TE,Faleye TOC,Adeniji AJ

更新日期：2019-07-25 00:00:00

abstract：:Two new flavans, named (2S)-2',4'-dihydroxy-7-methoxy-8-methylflavan (1) and (2S)-2'-hydroxy-4',7-dimethoxy-8-methylflavan (2) were isolated from the roots of Dianella ensifolia. Their structures were elucidated by extensive spectroscopic measurements and comparison with data reported in literatures. Compounds 1 and 2...

journal_title：Natural product research

authors： Tang BQ,Huang SS,Liang YE,Sun JB,Ma Y,Zeng B,Lee SM,Lu JL

更新日期：2017-07-01 00:00:00

abstract：:N-methylasimilobine (1), a new-found strong acetylcholinesterase (AChE) inhibitor, along with two weakly active aporphine alkaloids, nuciferine (2) and nornuciferine (3) were separated from Nelumbo nucifera. N-methylasimilobine (1) inhibited 50% of AChE activity at the concentrations of 1.5 ± 0.2 µg mL(-1) when the st...

journal_title：Natural product research

authors： Yang ZD,Zhang X,Du J,Ma ZJ,Guo F,Li S,Yao XJ

更新日期：2012-01-01 00:00:00

abstract：:Crambe orientalis L. (Brassicaceae), a perennial herb, is indigenous to Iran. The essential oils of flowering tops and leaves of the plant were evaluated by GC-MS. Our results showed that while 2-methyl-5-hexenitrile (19.5%) and benzyl cyanide (16.9%) were the major components of flowering tops oil, the oil of the lea...

journal_title：Natural product research

authors： Razavi SM,Nejad-Ebrahimi S

更新日期：2009-01-01 00:00:00