Comparison of antioxidant, anticholinesterase, and antidiabetic activities of three curcuminoids isolated from Curcuma longa L.

abstract：:This work reports on the composition and bionutritional value of organic virgin olive oil from the Nocellara del Belice variety, one cultivated in the olive areas of the Sicily region, Italy. Destoned oils obtained by processing olives with a destoning-based procedure were compared with conventional oils. This innovat...

journal_title：Natural product research

authors： Ranalli F,Ranalli A,Contento S,Casanovas M,Antonucci M,Simone GD

更新日期：2013-01-01 00:00:00

abstract：:The aim of this work was to provide information about kinetin effects on chemical volatile profile of Curcuma zedoaria (Christm.) Roscoe after several days of plant dormancy release. Rhizomes of C. zedoaria were immersed in four kinetin concentrations (0, 50, 100, 150 mg ml-1, n = 12 by each concentration) for 30 min....

journal_title：Natural product research

authors： Portella RO,Marques MOM,Ono EO,Silva PSSD,Fernandes AM,de Almeida LFR

更新日期：2020-02-21 00:00:00

abstract：:In this study, essential oil compositions of two Hypericum L. taxa (Hypericum triquetrifolium Turra. and Hypericum aviculariifolium Jaub. et Spach subsp. depilatum var. depilatum (Freyn et Bornm.) Robson) naturally grown in Turkey were determined using gas chromatography and gas chromatography-mass spectrometry system...

journal_title：Natural product research

authors： Yuce E,Bagci E

更新日期：2012-11-01 00:00:00

abstract：:An actinomycete strain 200-09, isolated from a soil sample collected from the coast of Hawaii, USA, was identified as Streptomyces antibioticus on the basis of its morphological, physiological and biochemical characteristics as well as 16S rDNA analysis. A new antimycin-type antibiotic, kitamycin C (1), together with ...

journal_title：Natural product research

authors： Wang F,Fu SN,Bao YX,Yang Y,Shen HF,Lin BR,Zhou GX

更新日期：2017-08-01 00:00:00

abstract：:A new butenolide derivative (1) featuring octyl substitution at γ-position, together with four known analogues (2-5) were isolated from marine-derived Streptomyces koyangensis SCSIO 5802. The structure of 1 was elucidated by HR-MS and NMR spectroscopic data analyses. The absolute configuration of the stereo centre in ...

journal_title：Natural product research

authors： Huang H,Song Y,Zang R,Wang X,Ju J

更新日期：2019-11-06 00:00:00

abstract：:This study describes the seasonal composition and the antibacterial, antioxidant and anticholinesterase activity of the essential oil from Eugenia brasiliensis leaves. Analysis by using GC allowed the identification of 40 compounds. It was observed that the monoterpenes varied more (42%) than the sesquiterpenes (14%),...

journal_title：Natural product research

authors： Siebert DA,Tenfen A,Yamanaka CN,de Cordova CM,Scharf DR,Simionatto EL,Alberton MD

更新日期：2015-02-01 00:00:00

abstract：:Antimicrobial potential of medicinal plants have been explored extensively these days. This study was carried out to evaluate the antibacterial potential from aerial parts of plant, called 'Annona senegalensis' and its constituents. Bioassay guided fractionation led to the isolation of four metabolites, (+)-catechin (...

journal_title：Natural product research

authors： Lall N,Kishore N,Bodiba D,More G,Tshikalange E,Kikuchi H,Oshima Y

更新日期：2017-08-01 00:00:00

abstract：:A new sesquiterpenoid glycoside, consisting of one vetispirane-type, dmetelisproside A (1), together with two known megastigmane sesquiterpenoids, citroside A (2) and staphylionoside D (3) were isolated from the leaves of Datura metel L. The structures were determined by analysis of their MS and NMR data as well as by...

journal_title：Natural product research

authors： Guo R,Liu Y,Pan J,Guan W,Yang BY,Kuang HX

更新日期：2019-03-28 00:00:00

abstract：:A phytochemical investigation of the MeOH extract of twigs and leaves of Tephrosia preussi was carried out to give a new kaempferol triglycoside, named tephrokaempferoside (1), together with five known compounds: tephrosin (2), betulinic acid (3), lupeol (4), β-sitosterol (5) and 3-O-β-d-glucopyranoside of β-sitostero...

journal_title：Natural product research

authors： Mba Nguekeu YM,Awouafack MD,Tane P,Nguedia Lando MR,Kodama T,Morita H

更新日期：2017-11-01 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 hexane and ethanol extracts from Himatanthus bracteatus (Apocynaceae) stems were evaluated for antiviral activity against Zika virus, yellow fever virus and dengue virus 2 and for cytotoxicity in Vero cells by MTT assay. The ethanol extract showed good antiviral activity against the three viruses with selective in...

journal_title：Natural product research

authors： da Silva ML,Stehmann JR,Serafim MSM,Vale VV,Gontijo DC,Brandão GC,Kroon EG,de Oliveira AB

更新日期：2019-11-20 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：:Two new fatty acid esters of triterpenoids (1-2) together with eleven known compounds (3-13) were obtained after investigation of the CH2Cl2-MeOH (1:1) crude extract from the leaves of Schefflera barteri Harms. All these compounds (1-13) were isolated for the first time from this plant among which compounds 3, 4, 6 an...

journal_title：Natural product research

authors： Mbougnia JFT,Bitchagno GTM,Wouamba SCN,Jouda JB,Awouafack MD,Tene M,Lenta BN,Kouam SF,Tane P,Sewald N

更新日期：2020-11-18 00:00:00

abstract：:Two new iridoids namely valerialloside A and valerianoside A (1 and 2) along with five known compounds (3-7) were isolated from the roots of Valeriana jatamansi Jones. The structure of new compounds were determined using 1D and 2D NMR including 1H-1H COSY, HSQC, HMBC and NOESY spectroscopic techniques. ...

journal_title：Natural product research

authors： Maurya AK,Kumar A,Agnihotri VK

更新日期：2020-12-09 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：:Alzheimer's disease (AD) is a multifactorial health problem widespread over the world. Regarding the historical importance of the alkaloids in the central nervous system pharmacology they remain as promising drug candidates against AD. Seven alkaloids from Amaryllidaceae and Fabaceae were evaluated in vivo, in vitro a...

journal_title：Natural product research

authors： de Almeida WAM,de Andrade JP,Chacon DS,Lucas CR,Mariana E,de Santis Ferreira L,Guaratini T,Barbosa EG,Zuanazzi JA,Hallwass F,de Souza Borges W,de Paula Oliveira R,Giordani RB

更新日期：2020-02-18 00:00:00

abstract：:Comparison of an authentic sample of altertenuol with altenuisol obtained by total synthesis and analysis of nuclear magnetic resonance spectra unambiguously revealed that altertenuol and altenuisol are identical compounds. ...

journal_title：Natural product research

authors： Thomas R,Nemecek G,Podlech J

更新日期：2013-01-01 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：:Supported by a growing increase of scientific research attesting the health properties of salvia species, we have decided to investigate nine Salvia namely Salvia sclarea, Salvia atropatana, Salvia sahendica, Salvia hydrangea, Salvia xanthocheila, Salvia macrosiphon, Salvia glutinosa, Salvia chloroleuca and Salvia cer...

journal_title：Natural product research

authors： Loizzo MR,Abouali M,Salehi P,Sonboli A,Kanani M,Menichini F,Tundis R

更新日期：2014-01-01 00:00:00

abstract：:In this article, an ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry method was developed to detect the chemical structures of proanthocyanidins (PAs) from seed coats of Schisandra chinensis. The cleavage pathways of the compounds were revealed. The structures of S. chinensis PAs, in...

journal_title：Natural product research

authors： Yan T,Hu GS,Wang AH,Hong Y,Jia JM

更新日期：2014-01-01 00:00:00

abstract：:The essential oil of Cyclospermum leptophyllum (Pers.) Sprague ex Britton and P. Wilson syn. Apium leptophyllum (Pers.) F. Muell. Ex Benth., family Apiaceae (Umbellifereae), was analysed by GC and GC-MS. The essential oil showed the presence of thymohydroquinone dimethyl ether (50.7%), thymol methyl ether (11.2%), γ-t...

journal_title：Natural product research

authors： Pande C,Tewari G,Singh C,Singh S

更新日期：2011-03-01 00:00:00

abstract：:The cytotoxicity of six ent-kaurene diterpenoids isolated from the leaves of Isodon japonica (Burm.f.) Hara var. galaucocalyx (maxin) Hara was evaluated against three human tumour HepG2, GLC-82 and HL-60 cell lines through SRB assay, and their DNA damage potential (against HepG2 cell line) was assessed by comet assay....

journal_title：Natural product research

authors： Ding L,Zhou Q,Wang L,Wang W,Zhang S,Liu B

更新日期：2011-09-01 00:00:00

abstract：:To search for antifungal leads, the metabolites of an insect-derived fungus Fusarium lateritium ZMT01 were investigated, providing five sesquiterpenes (1-5), including new molecules microsphaeropsisins D and E (1 and 2). The evaluated antifungal activities in vitro which are higher than the positive control triadimefo...

journal_title：Natural product research

authors： Zhu J,Xiong P,Li Z,Li J,Lin L,Fu X,Huang Y,Xiong Y,Li C

更新日期：2021-01-15 00:00:00

abstract：:Four flavone compounds were isolated from the effective fractions inhibiting xanthine oxidase (XOD) of the medicinal plant Selaginella labordei with anti-virus activity, and the structures were elucidated as 4'-methylether robustaflavone (1), robustaflavone (2), eriodictyol (3) and amentoflavone (4). The 50% inhibitor...

journal_title：Natural product research

authors： Tan WJ,Xu JC,Li L,Chen KL

更新日期：2009-01-01 00:00:00

abstract：:Study of the chemical constituents of ethanol extract from the aerial parts of Atalantia buxifolia led to the identification of a new acridone alkaloid named as buxifoliadine (1), along with known compounds citrusinine--I (2), N-methylatalaphylline (3), Severinolid (4) and cycloseverinolide (5). Structural elucidation...

journal_title：Natural product research

authors： Shan F,Yin YQ,Huang F,Huang YC,Guo LB,Wu YF

更新日期：2013-01-01 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：:Cynanchum acutum L. subsp. sibiricum (Willd.) Rech. f. was extracted with hexane, acetone, methanol and water individually. A sample was heated in water then extracted with ethyl acetate. Among the extracts, the ethyl acetate extract exhibited the most antiproliferative activity, so isolation of bioactive compounds wa...

journal_title：Natural product research

authors： Yildiz I,Sen O,Erenler R,Demirtas I,Behcet L

更新日期：2017-11-01 00:00:00

abstract：:A new sesquiterpenoid, malayscaphiol (1), and three known compounds, lupeol (2), lupenone (3) and stigmasterol (4), were isolated from the methanolic extract of the stem bark of Scaphium macropodum. The structures of the isolated compounds were determined using several spectroscopic methods, including UV-vis, FT-IR, 1...

journal_title：Natural product research

authors： Al Muqarrabun LM,Ahmat N,Aris SR,Shamsulrijal N,Baharum SN,Ahmad R,Rosandy AR,Suratman MN,Takayama H

更新日期：2014-01-01 00:00:00

abstract：:Two new compounds including a new 3-arylcoumarin liquiritcoumarin (1), and a new flavonoid glycoside crotoliquiritin (2), together with twelve known compounds (3-14) were isolated from the radix and rhizome of Glycyrrhiza uralensis. Their structures were elucidated on the basis of extensive spectroscopic data analyses...

journal_title：Natural product research

authors： Wang M,Yang W,Liu X,Liu Q,Zheng H,Wang X,Shen T,Wang S,Ren D

更新日期：2020-01-30 00:00:00

abstract：:A new and efficient synthesis of a naturally occurring amide alkaloid, N-isobutyl-4,5-epoxy-2(E)-decenamide isolated from the roots of Piper nigrum has been described involving a total of nine steps. Octanal and 2-bromoacetic acid have been used as the starting materials. ...

journal_title：Natural product research

authors： Gupta N,Kaur M,Shallu,Gupta N,Kad GL,Singh J

更新日期：2013-01-01 00:00:00