LC-ESI-MS characterisation of phytoalexins induced in chickpea and pea tissues in response to a biotic elicitor of Hypnea musciformis (red algae).

abstract：:The investigation on the stems and leaves of Clausena lenis led to the isolation of a previously undescribed carbazole alkaloid, clausenalenine A (1), along with seven known analogues (2-8). The structure of 1 was elucidated based on comprehensive spectroscopic analyses and the known compounds were identified by compa...

journal_title：Natural product research

authors： Yan G,Li YJ,Zhao YY,Guo JM,Zhang WH,Zhang MM,Fu YH,Liu YP

更新日期：2019-09-16 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：:Tryptamine derivatives such as tryptamine and bacillamides were strong algicidal compounds promising in controlling harmful algae blooms, but their bioactivity and application researches were hindered by extremely low natural production rates. This study found an induced production of algicidal tryptamine derivatives ...

journal_title：Natural product research

authors： Yu L,Hu Z,Ma Z

更新日期：2015-01-01 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：:The oral squamous cell carcinoma (OSCC) is the eighth more common cancer in men. The development of new and more efficient drugs is needed. Plants of the genus Piper are popularly used in the treatment of many diseases. This study evaluated the antitumor effect of extract, fraction and isolated compounds from leaves o...

journal_title：Natural product research

authors： Fonseca ACCD,de Queiroz LN,Sales Felisberto J,Jessé Ramos Y,Mesquita Marques A,Wermelinger GF,Pontes B,de Lima Moreira D,Robbs BK

更新日期：2020-10-14 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：:Present research reports the molecular docking analysis of 2019-nCoV inhibition by antiviral compounds from marine natural resources. For this study, the structure of ligand (antiviral compound) and 2019-nCoV main protease (Mpro) was received from the databases of PubChem and Protein Data Bank (PDB), respectively. Mol...

journal_title：Natural product research

authors： Vijayaraj R,Altaff K,Rosita AS,Ramadevi S,Revathy J

更新日期：2020-07-09 00:00:00

abstract：:Using a bioactivity-guided fractionation procedure, five cembranolides, 11-epi-sinulariolide acetate (1), 11-dehydrosinulariolide (2), sinulariolide (3), dihydrosinularin (4), and 3,4:8,11-bisepoxy-7-acetoxycembra-15(17)-en-1,12-olide (5), along with two nucleosides, 2'-deoxyadenosine and thymidine, were isolated from...

journal_title：Natural product research

authors： Hsieh PW,Chang FR,McPhail AT,Lee KH,Wu YC

更新日期：2003-12-01 00:00:00

abstract：:Toxicity of the pesticide carbofuran (CF) can be alleviated by curcumin, if not for its poor bioavailability. Hence, we investigated the effect of a bioavailable curcumin-galactomannan complex (CGM) on CF-induced neurotoxicity in rats in comparison to that of unformulated standard curcumin (CS). The CF (5 mg/kg b.wt/d...

journal_title：Natural product research

authors： E R S,P P B,Nair SS,Maliakel B,Kuttan R,I M K

更新日期：2020-05-01 00:00:00

abstract：:The aqueous methanolic extracts of Melastoma malabathricum L. exhibited antibacterial activity when assayed against seven microorganisms by the agar diffusion method. Solvent fractionation afforded active chloroform and ethyl acetate fractions from the leaves and the flowers, respectively. A phytochemical study result...

journal_title：Natural product research

authors： Wong KC,Hag Ali DM,Boey PL

更新日期：2012-01-01 00:00:00

abstract：:Sanguisorba officinalis L. is a traditional herbal plant that belongs to the genus Sanguisorba and the family Rosaceae. A new ursane-type triterpenoid, 3-oxo-urs-11, 13(18)-dien-19, 28-olide (1), two known ursane-type triterpenoids (3 - 4) and three known oleanane-type triterpenoids (2, 5 - 6) were isolated from the r...

journal_title：Natural product research

authors： Wang R,Sun J,Jin M,Jin L,Qi Y,Cao L,Zhou W,Li G

更新日期：2019-12-04 00:00:00

abstract：:A new cytisine-type alkaloid, along with five known alkaloids was obtained from the seeds of Sophora alopecuroides. Their structures were determined to be (-)-N-(2'-hydroxy-3',5'-di-tert-butyl-toluene)-cytisine (1), (-)-lupanine (2), (+)-matrine (3), (+)-sophoramine (4), (+)-lehmannine (5) and (-)-sophocarpine (6). Th...

journal_title：Natural product research

authors： Rong ZJ,Gao XX,Hu GS,Yan T,Jia JM,Wang AH

更新日期：2020-09-23 00:00:00

abstract：:Coumarin (2H-1-benzopyran-2-one) is a phenolic compound derived from the shikimate pathway and synthesized by various medicinal and aromatic plants as parent molecule of a large group of secondary metabolites, namely coumarins. Its main utilization is as fixative in perfumes and flavour enhancer. Given its role as phy...

journal_title：Natural product research

authors： Pavela R,Maggi F,Benelli G

更新日期：2019-09-11 00:00:00

abstract：:One new triterpenoid olean-18-ene-1β, 2α, 3β-triol (1) along with four known compounds were isolated from the chloroform extract of the aerial part of Salvia atropatana Bunge. The known compounds were two flavonoids, 5-hydroxy-7,4'-dimethoxyflavone (2) and 5-hydroxy-6,7,4'-trimethoxyflavone (3), an abietane-type diter...

journal_title：Natural product research

authors： Habibi Z,Cheraghi Z,Ghasemi S,Yousefi M

更新日期：2012-01-01 00:00:00

abstract：:A new protopine alkaloid, protomexicine and a new isoflavonoid, mexitin, together with 8-methoxydihydrosanguinarine, 13-oxoprotopine, rutin and quercetrin have been isolated from the aerial part of the methanolic extract of Argemone mexicana. The structures of these compounds have been established by various spectral ...

journal_title：Natural product research

authors： Singh S,Pandey VB,Singh TD

更新日期：2012-01-01 00:00:00

abstract：:Lappaconitine is an important alkaloid of the aconite family and its biological activity is closely related to its structure. Through an X-ray structure analysis of hydrated lappaconitine hydrobromide, which was synthesised by us through a new method, the absolute configuration of lappaconitine was determined: monocli...

journal_title：Natural product research

authors： Sun W,Wang Y,Zhang J,Yu K

更新日期：2009-01-01 00:00:00

abstract：:A new resin glycoside, named calysolin XVIII (1), was isolated from the leaves, stems and roots of Calystegia soldanella Roem. et Schult. (Convolvulaceae). The structure of 1 was defined as 11S-jalapinolic acid 11-O-β-d-glucopyranosyl-(1 → 3)-O-(2-O-2S-methylbutyryl,4-O-3-hydroxy-2-methylenebutyryl)-α-l-rhamnopyranosy...

journal_title：Natural product research

authors： Ono M,Kanemaru Y,Yasuda S,Okawa M,Kinjo J,Miyashita H,Yokomizo K,Yoshimitsu H,Nohara T

更新日期：2017-11-01 00:00:00

abstract：:Analgesic and anti-inflammatory activities of the aqueous and ethanol extracts of Thespesia populnea Soland. ex. Correa (Malvaceae) leaves were evaluated in animal models. Orally-administered aqueous and ethanol extracts (100, 200 and 400 mg kg⁻¹ bw) showed significant analgesic activity in chemical-, mechanical- and ...

journal_title：Natural product research

authors： Ilavarasan R,Mohideen S,Venkataraman S

更新日期：2012-01-01 00:00:00

abstract：:Phytochemical investigation of the stem and root barks of Friesodielsia obovata Benth (Annonaceae) afforded new 3',5'-diformyl-2',4',6'-trihydroxychalcone and N-formyl-7-hydroxyglaucine together with five known compounds, 3',5'-dimethyl-2',4',6'-trihydroxychalcone, (-)-crotepoxide, demethoxymatteucinol, lawinal, and b...

journal_title：Natural product research

authors： Joseph CC,Magadula JJ,Nkunya MH

更新日期：2007-09-01 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：:The anti-atherogenic potentials of total ginger (Zingiber officinale) extract (TGE) or curcuminoids extracted from turmeric (Curcuma longa), members of family Zingiberaceae, were compared in hypercholesterolaemia. Rabbits were fed either normal or atherogenic diet. The rabbits on atherogenic diet received treatments w...

journal_title：Natural product research

authors： Elseweidy MM,Younis NN,Elswefy SE,Abdallah FR,El-Dahmy SI,Elnagar G,Kassem HM

更新日期：2015-01-01 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：:The antiradical activity of the freshwater bryozoan Hyalinella punctata water extracts (two samples, seasonal collection) was evaluated by using electron paramagnetic resonance spectroscopy against hydroxyl (√OH), superoxide anion (√O2(- )), methoxy (√CH2OH), carbon-dioxide anion (√CO2(- )), nitric-oxide (√NO) and 2,2...

journal_title：Natural product research

authors： Pejin B,Savic AG,Hegedis A,Karaman I,Horvatovic M,Mojovic M

更新日期：2014-01-01 00:00:00

abstract：:Phytochemical investigation of Gymnocarpos decandrus roots lead to the isolation, characterization and evaluation of four compounds: the bis-coumarin daphnoretin, two biflavonoids: wikstrol A and wikstol B in addition to β-sitosterol glucoside. Their structures were established via spectroscopic data. The crude root e...

journal_title：Natural product research

authors： Fathy H

更新日期：2019-05-13 00:00:00

abstract：:In this computational study, geometric factors are calculated by applying semi-empirical methods (PM3) that support experimental evidence from this lab where bryostatins can bind trivalent iron with six Fe-O bonds forming an octahedral geometry. The geometric factors are calculated for all 20 structures (Fe3+ bound to...

journal_title：Natural product research

authors： Manning TJ,Thomas J,Osiro S,Smith J,Abadi G,Noble L,Phillips D

更新日期：2008-03-20 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：:Our laboratories have been investigating biological effects of a sesquiterpenoid polygodial and its natural and synthetic analogues. Herein, we report the evaluation of these compounds against the three forms of Trypanosoma cruzi, amastigotes, trypomastigotes and epimastigotes. Although polygodial was found to be poor...

journal_title：Natural product research

authors： Turner DN,Just J,Dasari R,Smith JA,Bissember AC,Kornienko A,Rogelj S

更新日期：2019-04-28 00:00:00

abstract：:Two new lanostane triterpnenoids named endertiins A and B (1 and 2) together with two known compounds as ganodecalone A (3) and ergosterol (4) have been successfully isolated from the cultivated fruit bodies of the mushroom Humphreya endertii Stey (Ganodermataceae). Their structures were elucidated by a combination of...

journal_title：Natural product research

authors： Quang DN,Long LD,Tung NQ,Thanh NN,Tham LX

更新日期：2020-08-03 00:00:00

abstract：:New analogues of a long-chain secondary alcohol (1) and laserine (2) were isolated from the flowers of Tamarix hampeana L. The isolated compounds were identified using 1D and 2D NMR, LCMS/APCI, and chemical methods. Laserine was isolated for the first time from T. hampeana L. ...

journal_title：Natural product research

authors： Aykac A,Akgül Y

更新日期：2010-01-01 00:00:00

abstract：:Three anthraquinones, Cdc25B phosphatase inhibitors, were isolated from the methanolic extract of the roots of Polygonum multiflorum Thunb. (Polygonaceae). Anthraquinones, physcion (1), emodin (2), and questin (3), inhibited the enzymatic activity of Cdc25B phosphatase with IC(50) values of 62.5, 30, and 34 microg mL(...

journal_title：Natural product research

authors： Choi SG,Kim J,Sung ND,Son KH,Cheon HG,Kim KR,Kwon BM

更新日期：2007-05-20 00:00:00