ATP bioluminescence method: tool for rapid screening of organic and microbial contaminants on deteriorated mural paintings.

abstract：:Colletia paradoxa (Spreng.) Esc. (Rhamnaceae, Colletieae) is a medicinal plant, threatened with extinction in Brazil, presenting great morphological variability. Our objective is to investigate the phytochemical components, antioxidant capacity and antimycobacterial activity of different morphotypes of C. paradoxa in ...

journal_title：Natural product research

authors： Bastos Záchia NR,Piana M,Dos Santos Siqueira F,da Silva Jesus R,Athayde ML,Essi L,de Campos MMA

更新日期：2019-04-16 00:00:00

abstract：:An unexpected synthesis of symmetrical hydroxybiphenylmethanes involving the reaction of 2-hydroxyphenyl benzyl ketones with ethoxymethyl chloride has been observed. Some new interesting observations of Labat test on colorimetric detection of bichalconyloxy, bichalconyl and biflavonylmethanes having oxygenated ortho p...

journal_title：Natural product research

authors： Kukreja G,Campiani G,Khurana JM,Joshi BP,Grover SK

更新日期：2006-10-01 00:00:00

abstract：:A new xanthone, calothorexanthone, together with five known compounds, garbogiol, 1,4,8-trihydroxyxanthone, δ-tocotrienol, 1,7-dihydroxyxanthone and globuxanthone, was isolated from a petroleum ether extract of the bark of Calophyllum thorelii. Their structures were established on the basis of spectroscopic methods, m...

journal_title：Natural product research

authors： Nguyen LT,Nguyen DM,Nguyen LH

更新日期：2013-01-01 00:00:00

abstract：:In the present study, hydroxy-2-methyl-4H-pyran-4-one was isolated from the methanol root extract of Senecio laetus and was identified by FT-IR, 1H, 13C NMR and GC-MS. The larvicidal potential of the compound 3-hydroxy-2-methyl-4H-pyran-4-one was evaluated against the 4th instar larvae of Anopheles stephensi, Aedes ae...

journal_title：Natural product research

authors： Ali SI,Venugopalan V

更新日期：2019-06-27 00:00:00

abstract：:The present study has been focused on the extraction of natural pigments from tomato industry waste. At first, different solvents and solvents mixture were compared to determine which one is the best for extracting carotenoids compounds from tomato by-products. A mixture of hexane and acetone gave the highest caroteno...

journal_title：Natural product research

authors： Baaka N,El Ksibi I,Mhenni MF

更新日期：2017-01-01 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：: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 dihydroisocoumarin (1) and a new coumarin (2), along with eight known metabolites (3-10), were isolated from the solid substrate fermentation cultures of the fungus Penicillium purpurogenum MHZ 111. Their structures were elucidated by extensive spectroscopic analysis and comparison of their spectroscopic and phy...

journal_title：Natural product research

authors： Sun J,Zhu ZX,Song YL,Ren Y,Dong D,Zheng J,Liu T,Zhao YF,Tu PF,Li J

更新日期：2017-03-01 00:00:00

abstract：:The chemical composition of the essential oils isolated from the aerial parts of Anthemis arvensis L. subsp. arvensis, Anthemis cretica subsp. messanensis (Brullo) Giardina & Raimondo and from flowers and leaves of Anthemis cretica subsp. columnae (Ten.) Frezén were determinated by GC-FID and GC-MS analyses. Torreyol ...

journal_title：Natural product research

authors： Riccobono L,Maggio A,Bruno M,Spadaro V,Raimondo FM

更新日期：2017-12-01 00:00:00

abstract：:The latex of Ficus carica Linn. (Moraceae) has been shown to possess antiviral properties against some human viruses. To determine the ability of F. carica latex (F-latex) to interfere with the infection of caprine herpesvirus-1 (CpHV-1) in vitro, F-latex was resuspended in culture media containing 1% ethanol and was ...

journal_title：Natural product research

authors： Camero M,Marinaro M,Lovero A,Elia G,Losurdo M,Buonavoglia C,Tempesta M

更新日期：2014-01-01 00:00:00

abstract：:Phytochemical investigation of methanolic extract of Adenium obesum led to the isolation of 42 (1-42) compounds belongs to cardiac glycosides, triterpenoids and steroids. The chemical structures of isolated compounds were elucidated by spectral techniques UV, IR, NMR and FAB MS. The cardiac glycosides were tested agai...

journal_title：Natural product research

authors： Ahmed SK,Versiani MA,Ikram A,Sattar SA,Faizi S

更新日期：2017-05-01 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：:A phytochemical reinvestigation of the whole plant of Euphorbia segetalis yielded five tetracyclic triterpenes: 3beta-hydroxy-cycloart-25-en-24-one (1), cycloart-25-ene-3beta,24-diol (2), cycloart-23-ene-3beta,25-diol (3), lanosta-7,9(11),24-trien-3beta-ol (4) and lanosta-7,9(11),24(31)-trien-3beta-ol (5). beta-acetox...

journal_title：Natural product research

authors： Madureira AM,Ascenso JR,Valdeira L,Duarte A,Frade JP,Freitas G,Ferreira MJ

更新日期：2003-10-01 00:00:00

abstract：:Pectins were isolated from bark, wood and pith of kenaf (Hibiscus cannabinus L.) variety Cuba108. Imidazole was used as extractant. The isolated pectins were studied by 13C nuclear magnetic resonance (13C-NMR) spectroscopy and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). From the spectroscopic...

journal_title：Natural product research

authors： Pappas CS,Tarantilis PA,Polissiou MG

更新日期：2003-06-01 00:00:00

abstract：:Two new C-15 enolic acyl phragmalin-type limonoid orthoesters, chukvelutilide G (1) and chukrasine F (2), were isolated from the stem barks of Chukrasia tabularis var. velutina. Their structures were elucidated by their extensive high resolution-electrospray ionization mass spectrometry (HR-ESI-MS), one- and two-dimen...

journal_title：Natural product research

authors： Luo J,Li Y,Wang JS,Kong LY

更新日期：2013-04-01 00:00:00

abstract：:Jatropha mutabilis (Pohl) Baill is an endemic species of the Caatinga biome, little studied in terms of chemical composition. The objective of this work was to develop an analytical methodology to quantify vitexin in the ethanolic extract of J. mutabilis and to evaluate the expectorant and antitussive activities in mi...

journal_title：Natural product research

authors： Costa EC,Menezes PMN,Silva FS,Ribeiro LAA,Rolim LA,Araújo ECDC,Nunes XP

更新日期：2020-10-30 00:00:00

abstract：:Six known metabolites, two new isocoumarins 4 and 8, and one new highly substituted benzoic acid derivative 9 were isolated from the ethyl acetate culture extract of a fungal endophyte, Scytalidium sp. In addition, another new benzoic acid 10 with an unusual 1,2-dicarbonyl side chain was indirectly identified from its...

journal_title：Natural product research

authors： Krohn K,Sohrab MH,Aust HJ,Draeger S,Schulz B

更新日期：2004-06-01 00:00:00

abstract：:Fuzhuan brick-tea (FBT) is unique for a fungal fermentation stage in its manufacture process and is classified in dark tea. A new acylated flavonol glycoside, kaempferol 3-O-[E-p-coumaroyl-(→2)][α-l-arabinopyranosyl-(1→3)][α-l-rhamnopyranosyl(1→6)]-β-d-glucopyranoside, which was trivially named as camellikaempferoside...

journal_title：Natural product research

authors： Tian YZ,Liu X,Liu W,Wang WY,Long YH,Zhang L,Xu Y,Bao GH,Wan XC,Ling TJ

更新日期：2016-12-01 00:00:00

abstract：:A total of nine oilseeds with more than 15 wt% oil have been investigated for evaluating them as feedstock for biodiesel industries. Fatty acid profiles of all the nine oil samples have been determined by GC-MS analysis. The saponification numbers, gross heats of combustion of the oils and those of corresponding fatty...

journal_title：Natural product research

authors： Barua P,Dutta K,Basumatary S,Deka DC,Deka DC

更新日期：2014-01-01 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

abstract：:(+)-7-O-Methylisomiroestrol (MeI), a novel chromene, was discovered as a phytoestrogen in the Pueraria candollei var. mirifica (Airy Shaw & Suvat.) Niyomdham (PM) root having been used as an active agent against oestrogen depletion disorders. The identification of PM phytochemicals is crucial for the development of st...

journal_title：Natural product research

authors： Yusakul G,Juengsanguanpornsuk W,Sritularak B,Phaisan S,Juengwatanatrakul T,Putalun W

更新日期：2020-02-20 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

abstract：:Two new alkaloids 6-hydroxyethyldihydrochelerythrine (1) and 6-hydroxymethyl-7,8-demethylenedihydrochelerythrine (2) together with two analogues named maclekarpine E (3) and 6-hydroxymethyldihydrosanguinarine (4) were detected primarily from the leaves of Macleaya cordata by their characteristic mass spectrometry (MS)...

journal_title：Natural product research

authors： Qing ZX,Yang P,Yu K,Yang XY,Liu JH,Xiang F,Cao HL,Cheng P,Zeng JG

更新日期：2017-07-01 00:00:00

abstract：:The aim of this study was to investigate mercury accumulation in some species, caught in Mediterranean Sea, in the period between May and December 2015, and to compare it to the presence of Anisakis parasites. The samples were examined by direct mercury analyzer (DMA-80) for their Hg levels. The metal concentration wa...

journal_title：Natural product research

authors： Graci S,Collura R,Cammilleri G,Buscemi MD,Giangrosso G,Principato D,Gervasi T,Cicero N,Ferrantelli V

更新日期：2017-05-01 00:00:00

abstract：:In this investigation, the effect of Matricaria chamomilla extract on linear incisional wound healing was studied. Thirty male Wistar rats were subjected to a linear 3 cm incision made over the skin of the back. The animals were randomly divided into three experimental groups, as control, olive oil, and treatment. Con...

journal_title：Natural product research

authors： Jarrahi M,Vafaei AA,Taherian AA,Miladi H,Rashidi Pour A

更新日期：2010-05-01 00:00:00

abstract：:Five flavonol glycosides characterised as kaempferide 3-O-(2'',3''-diacetylglucoside), kaempferide 3-O-(2''-O-galloylrhamnoside), kaempferide 3-O-(2''-O-galloylrutinoside)-7-O-alpha-rhamnoside, kaempferol 3-O-[beta-glucosyl-(1 --> 2)]-[alpha-rhamnosyl-(1 --> 6)]-beta-glucoside-7-O-alpha-rhamnoside and kaempferol 3-O-[...

journal_title：Natural product research

authors： Manguro LO,Lemmen P

更新日期：2007-01-01 00:00:00

abstract：:Plumieride (PLU), an iridoid isolated from Allamanda cathartica flowers, has been studied by our research group due to its anti-inflammatory potential, antidepressant-like and anxiolytic-like effects. This research investigated the involvement of GABAergic and monoaminergic systems in the anxiolytic-like effect elicit...

journal_title：Natural product research

authors： Dalmagro AP,Camargo A,Zimath PL,Bonomini TJ,Zeni ALB,Malheiros A,de Souza MM

更新日期：2020-03-11 00:00:00

abstract：:A series of unexpected triterpenic C17-[5-methyl-1,3]-oxazoles along with targeted N-propargylamides was synthesized by an interaction of acid chlorides with propargylamine hydrochloride. We proposed that the formation of methyl oxazole passes through an alternative pathway by the participation of the terminal alkyne ...

journal_title：Natural product research

authors： Khusnutdinova EF,Petrova AV,Lobov AN,Kukovinets OS,Baev DS,Kazakova OB

更新日期：2020-03-28 00:00:00

abstract：:The ethanolic extract of the fruits of Momordica dioica was studied for its protective and curative effect against gentamicin-induced acute renal injury in albino rats of both sexes. Gentamicin intoxicated group showed significant increase in blood urea (69.48 +/- 4.34) and serum creatinine (3.017 +/- 0.208) from norm...

journal_title：Natural product research

authors： Jain A,Singhai AK

更新日期：2010-09-01 00:00:00

abstract：:A new furostanol saponin, (25R)-26-O-(α-d-glucopyranosyl)-(1→2)-α-l-rhamnopyranosyl-furost-5-ene-3β, 22α, 26-triol-3-O-α-d-glucopyranoside (1), together with four known compounds 2-5 were isolated from the ethanolic extract of the stems of Dendrobium chrysanthum Lindl. The structures of these new compounds were identi...

journal_title：Natural product research

authors： Yang C,Lin W,Zhao L,Cai J

更新日期：2019-09-01 00:00:00