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 the marine brown alga Iyengaria stellata, and two known compounds, namely 3,4,5-trimethylaniline (6) and harmine (7), were isolated for the first time from the marine brown alga Melanothamnus afaqhusainii. Compound 6 is synthetically known but was isolated for the first time from a natural source. The structures of these compounds were elucidated with the help of powerful spectroscopic techniques. Furthermore, the methanolic extracts of both algae showed anti-microbial activities against various bacteria and fungi.
journal_name
Nat Prod Resjournal_title
Natural product researchauthors
Khan AM,Noreen S,Imran ZP,Choudhary MIdoi
10.1080/14786419.2010.509722subject
Has Abstractpub_date
2011-05-01 00:00:00pages
898-904issue
9eissn
1478-6419issn
1478-6427pii
937175664journal_volume
25pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1080/14786419.2020.1849199
更新日期:2020-11-18 00:00:00
abstract::One new briarane-type diterpenoid, dichotellide V (1), along with four known analogues, gemmacolide N (2), dichotellide J (3), junceelin A (4) and junceellolide A (5), was isolated from the South China Sea gorgonian Dichotella gemmacea. All of the isolated compounds (1-5) were established by comprehensive analysis of ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.987774
更新日期:2015-01-01 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
pub_type: 杂志文章
doi:10.1080/14786419.2011.643309
更新日期:2012-01-01 00:00:00
abstract::The aim of study was to compare the content of phenolic acids and flavonoids in two cultivars of Lavandula angustifolia: 'Blue River' and 'Ellagance Purple', including flowers and leafy stalks. Total phenolics and total flavonoids contents were determined by UV-Vis spectroscopy. The contents of total phenolics in leaf...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2017.1320792
更新日期:2017-11-01 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
pub_type: 杂志文章
doi:10.1080/14786410802267569
更新日期:2010-09-01 00:00:00
abstract::A simple and efficient method was developed for simultaneous analysis of five illegal residual β2-agonists in cattle hair. β2-Agonists were quantified by ultra high performance liquid chromatography coupled with electrospray ionisation tandem mass spectrometry operating in positive multiple-reaction monitoring mode. T...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2016.1190718
更新日期:2017-02-01 00:00:00
abstract::A new phthalide derivative, xylarphthalide A (1), along with two known compounds (-)-5-carboxylmellein (2) and (-)-5-methylmellein (3), were isolated from the endophytic fungus Xylaria sp. GDG-102 cultured from the Chinese medicinal plant Sophora tonkinensis. Their structures were identified by MS and NMR experiments,...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2017.1311892
更新日期:2018-04-01 00:00:00
abstract::ABTRACT This study aims to design and synthesize a series of N-Acyl-N-(m-fluoro- benzyl)-6- amino-coumarins through the principle of active substructure stitching, which are based on the core structure of N-(m-fluoro-benzyl)-6-amino-coumarin. The structures of target compounds e1-e25 have been characterized by 1H NMR,...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2020.1806268
更新日期:2020-08-13 00:00:00
abstract::The aerial parts of Baccharis dracunculifolia (BdE) is used in the Brazilian folk medicine to treat inflammatory conditions. Here we examined the ability of free and liposomal BdE to modulate reactive oxygen species generation in human neutrophils in vitro and zymosan-induced acute joint inflammation in Wistar rats. W...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2018.1448809
更新日期:2019-09-01 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
pub_type: 杂志文章
doi:10.1080/14786419.2020.1837807
更新日期:2020-10-30 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
pub_type: 杂志文章
doi:10.1080/14786419.2010.538395
更新日期:2012-01-01 00:00:00
abstract::A new γ-pyrone derivative, acrepyrone A (1), and three known sorbicillinoids, trichodimerol (2), dihydrotrichodimerol (3) and tetrahydrotrichodimerol (4) were isolated from an endophytic fungus, Acremonium citrinum SS-g13, harboured in the roots of the Chinese medicinal plant Fructus mori. Their structures were determ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2018.1548462
更新日期:2020-04-01 00:00:00
abstract::The aerial parts of L. cultratus were submitted to a phytopharmacological investigation in order to isolate and identify the major secondary metabolites and evaluate its crude extract, fractions and isolated compounds for antiproliferative activity. Seven compounds were isolated and identified as the chalcones 2',4'-d...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2019.1647427
更新日期:2019-08-12 00:00:00
abstract::A new triterpene saponin (1) was isolated from a methanol extract of Swartzia apetala Raddi var. glabra, together with the flavonoids mauritianin (2), kaempferol (3) and the triterpene saponin β-D-glucopyranosyl 3β-hydroxy-olean-12-en-28-oate (4). These compounds were characterised on the basis of their spectral data,...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.782493
更新日期:2013-10-01 00:00:00
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
pub_type: 杂志文章
doi:10.1080/14786419.2019.1598987
更新日期:2019-04-16 00:00:00
abstract::The chemical composition of the essential oils obtained from the fresh leaves of Cinnamomum tamala Nees et Eberm. was determined by GC and GC-MS. The yield of the oil on a dry weight basis ranged from 1.2% to 3.9% (w/w). Phenyl propanoids constitute the major portion (88.9-95.0%) of the oils. Fifty-four compounds were...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2011.599806
更新日期:2012-01-01 00:00:00
abstract::Two new cycloartane-type glycosides, caspicuside I and caspicuside II, were isolated along with two known saponins, cycloastragenol and astragaloside IV, from the roots of Astragalus caspicus. As the aglycon group, caspicuside I possesses 3beta,6alpha,16beta,(24S),25-pentahydroxycycloartane (cyclocanthagenol), while c...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786410902975582
更新日期:2010-07-01 00:00:00
abstract::A new furan derivative named 3-(5-oxo-2,5-dihydrofuran-3-yl) propanoic acid (1) was isolated for the first time. Its structure was elucidated by UV, IR, NMR, HR-ESI-MS and the single-crystal X-ray diffraction spectroscopic data. Meanwhile, the antifungal and antibacterial activities of compound 1 was tested, it exhibi...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2018.1501687
更新日期:2019-10-01 00:00:00
abstract::Platelet aggregation is fundamental to a wide range of physiological and pathological processes, including the induction of thrombosis and arteriosclerosis. Anti-platelet activity of a crude methanol extract and solvent fractions of Ashitaba roots (Angelica keiskei Koidz.) was evaluated using a turbidimetric method us...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2014.931389
更新日期:2014-01-01 00:00:00
abstract::Further studies on Plectranthus sp. (Lamiaceae) led to the isolation of terpenes and phenol esters from Plectranthus strigosus Benth. ent-16-Kauren-19-ol (1), ent-16-kauren-19-oic acid (2), xylopic acid (3), xylopinic acid (4), hinokiol (5), 4 beta,6 beta-dihydroxy-1 alpha,5 beta(H)-guai-9-ene (6) 4 beta,6 beta-dihydr...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786410701654560
更新日期:2008-01-20 00:00:00
abstract::The subject of this present work is a group of nine historical pictures shot in Palermo by the Sicilian photographer E. Interguglielmi in 1912. They are nine matte-collodion prints mounted on the original cardboard supports and all of them show foxing stains affecting the paper surface. In order to characterise the ch...
journal_title:Natural product research
pub_type: 历史文章,杂志文章
doi:10.1080/14786419.2016.1180600
更新日期:2019-04-01 00:00:00
abstract::Phytochemical investigation of chloroform extract from the leaves of the marine plant Posidonia oceanica (L.) Delile (Posidoniaceae), yielded posidozinol, a new methylated sesquiterpene along with β-sitosterol and four known fatty acids: palmitic, palmitoleic, oleic and linoleic acids. The structure elucidation has be...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.725401
更新日期:2013-01-01 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
pub_type: 杂志文章
doi:10.1080/14786910310001617677
更新日期:2003-12-01 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
pub_type: 杂志文章
doi:10.1080/14786419.2016.1226828
更新日期:2017-01-01 00:00:00
abstract::New sesquiterpene glycoside, cyclodipeptide and piperidine derivative were isolated from Streptomyces sp. YIM 63342. On the basis of spectral data, their structures were determined as 3R, 5R, 6S, 7E, 9R-megastigman-7-en-3,5,6,9-tetrol-9-O-β-D-apiofuranosyl-(1→ 2)-β-D-glucopyranoside (1), cyclo (L-Pro-L-OMet) (2) and (...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.718776
更新日期:2013-01-01 00:00:00
abstract::Diphysidione (1), a new p-hydroxyphenyl anhydride, and vitexin (2) were isolated from the leaves of Diphysa carthagenensis. The structure of the new metabolite was characterised as 4-(4-hydroxy-phenyl)-3H-pyran-2,6-dione using 1D and 2D NMR spectroscopy. ...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2012.668689
更新日期:2013-01-01 00:00:00
abstract::Polyphyllin Ι is a steroidal saponin isolated from the rhizoma of Paris polyphylla. In the present study, we aimed to investigate the anticancer effects of polyphyllin Ι in colorectal cancer and to elucidate the potential underlying molecular mechanisms. Using, CCK8 assay, flow cytometry, laser confocal microscope ana...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2017.1353512
更新日期:2018-06-01 00:00:00
abstract::In this study, Box-Behnken Design was used to optimize the ultrasonic extraction of polysaccharides from quince peels (QPPs) by ascorbic acid and the effect of extraction temperature, extraction time and pH was evaluated. Under optimized conditions of temperature 90 °C, 60 min sonication time and pH = 3.26, the extrac...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2018.1514403
更新日期:2020-05-01 00:00:00
abstract::A new dehydrodigallic acid derivative (1), along with 19 known compounds, including 6 phenolic derivatives, 2 steroids and 11 triterpenoids were isolated from the ethanol extract of the root of Geum urbanum. Herein, there is the first report of steroid and triterpene in Geum urbanum. The purified metabolites were char...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2018.1425844
更新日期:2018-11-01 00:00:00
abstract::A new highly oxygenated pseudoguaianolide, rudbeckolide (1), was isolated from Rudbeckia hirta L. flowers. The structure of this terpenoid lactone was established on the basis of extensive 1D and 2D NMR spectroscopic analyses. The compound exhibited strong 5-lipoxygenase inhibitory activity (84.9% inhibition at 10 μg/...
journal_title:Natural product research
pub_type: 杂志文章
doi:10.1080/14786419.2013.825916
更新日期:2013-01-01 00:00:00