Undescribed benzophenone and xanthones from cave-derived Streptomyces sp. CB09001.

abstract：:Fourteen wild strains of Staphylococcus aureus positive for gene sea were tested for enterotoxins production and the minimum inhibitory concentration of Leptospermum scoparium, Origanum majorana, Origanum vulgare, Satureja montana and Thymus vulgaris essential oils (EOs) were determined. After this trial, bacteria str...

journal_title：Natural product research

authors： Turchi B,Mancini S,Pistelli L,Najar B,Cerri D,Fratini F

更新日期：2018-03-01 00:00:00

abstract：:Alkaloids and phenolic compounds are among the most biologically active natural products from the Jacobaea/Senecio genera (Asteraceae). To isolate original natural products directly from Jacobaea gigantea crude polar extracts, centrifugal partition chromatography (CPC) was used. Previously, we reported the phytochemic...

journal_title：Natural product research

authors： Mezache N,Derbré S,Laouer H,Richomme P,Séraphin D,Akkal S

更新日期：2019-08-01 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

authors： Di Stefano V,Pitonzo R,Giaccone V,Alongi A,Macaluso A,Cicero N,Cancemi G,Ferrantelli V

更新日期：2017-02-01 00:00:00

abstract：:Ocimum is a genus of aromatic herbs, undershurbs or shrubs distributed in the tropical and warm temperate regions of the world. Larvicidal activity of essential oils and different extracts of O. sanctum, O. basilicum and O. gratissimum were compared on laboratory reared and field collected larvae of Culex quinquefasci...

journal_title：Natural product research

authors： Rajamma AJ,Dubey S,Sateesha SB,Tiwari SN,Ghosh SK

更新日期：2011-12-01 00:00:00

abstract：:Edible flowers consumption has increased in recent years due to their rich content of healthy phytochemicals. The aim of this study was to analyse the chemical profile of Cucurbita pepo L. flowers, and to explore their antioxidant and hypoglycaemic properties. Moreover, in order to assess in vivo effects, biochemical ...

journal_title：Natural product research

authors： Morittu VM,Musco N,Mastellone V,Bonesi M,Britti D,Infascelli F,Loizzo MR,Tundis R,Sicari V,Tudisco R,Lombardi P

更新日期：2019-09-30 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：:Berteroa incana is a wild herb widespread in temperate zones which was practically not studied for its biological effects. Methanolic and aqueous extracts of B. incana were assessed for the content in polyphenols and the related antioxidant and antimicrobial activities and the polysaccharide extract for the content in...

journal_title：Natural product research

authors： Ungureanu O,Gatea F,Seciu AM,Teodor ED,Nicorescu IM,Radu GL

更新日期：2018-12-01 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：: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：:The chloroformic extract of the aerial parts of Ferula behboudiana (Umbelliferae) afforded four new polysulphane derivatives: 1-sec-butyl-2-[(E)-3-(methylthio)prop-1-enyl]disulphane (1), 1-sec-butyl-2-[(Z)-3-(methylthio)prop-1-enyl]disulphane (2), 1-[(E)-3-(methylthio)prop-1-enyl)-2-(1-(methylthio)propyl]disulphane (3...

journal_title：Natural product research

authors： Yousefi M,Mohammadi M,Habibi Z,Shafiee A

更新日期：2010-09-01 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：:Santolina insularis is a Sardinian endemism that is widely used in traditional medicine. The essential oil was obtained with a yield of 2.7% and is mainly characterized by β-phellandrene (22.6%), myrcene (11.4%) and artemisia ketone (7.6%). The oil significantly reduced NO production without affecting macrophages viab...

journal_title：Natural product research

authors： Alves-Silva JM,Piras A,Porcedda S,Falconieri D,Maxia A,Gonçalves MJ,Cruz MT,Salgueiro L

更新日期：2020-06-04 00:00:00

abstract：:Magnolia grandiflora (Magnoliaceae) is an evergreen tree with fragrant and showy flowers native to southeastern USA but widely cultivated all over the world and used in cosmetics industry in treatment of skin diseases. Here, we report on the chemical analysis of the essential oil obtained from flowers of plants cultiv...

journal_title：Natural product research

authors： Morshedloo MR,Quassinti L,Bramucci M,Lupidi G,Maggi F

更新日期：2017-12-01 00:00:00

abstract：:Inula graveolens (L.) Desf. is an annual aromatic herb which has various uses on alternative medicine in many region of the world. In this study, antioxidant activities of ethanol and water extracts of the plant leaves were determined by in vitro DPPH method and phenolic composition of the plant sample was determined ...

journal_title：Natural product research

authors： Silinsin M,Bursal E

更新日期：2018-06-01 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

authors： Rana VS,Langoljam RD,Verdeguer M,Blázquez MA

更新日期：2012-01-01 00:00:00

abstract：:Phebaclavin I, a novel 3-prenylated coumarin, was isolated from the aerial parts of Phebalium aff. tuberculosum (Rutaceae) together with five known related compounds, Phebaclavin A, B, D, G, H. The structure of phebaclavin I was established by spectroscopic methods. Several other known coumarins were obtained, includi...

journal_title：Natural product research

authors： Roux D,Muyard F,Girard C,Colombain M,Tillequin F,Waterman PG,Bévalot F

更新日期：2006-03-01 00:00:00

abstract：:New ent-trachylobane-3β-hydroperoxide (5) together with four known compounds, ricinine (1), trimethoxy ellagic acid (2), dimethoxy ellagic acid (3) and aleurotolic acid (4) were isolated from the methylene chloride fraction of the root bark of Chrozophora oblongifolia. The structures of these secondary metabolites wer...

journal_title：Natural product research

authors： Kamel MR,Nafady AM,Hassanein AMM,Hassan AR,Shimizu K,Ibrahim RR,Haggag EG

更新日期：2019-11-06 00:00:00

abstract：:Two new ergosterol derivatives namely, chlamydosterols A [(22E,24R)-ergosta-7,22-diene-3β,5α,6β-triol 6-decanoate] (1) and B [5α,6β,25-trihydroxy-(22E,24R)-ergosta-7,22-dien-3-one] (5) and three known ergosterols: ergosta-7,22-dien-3β-ol (2), ergosta-5,7,22-triene-3β-ol (3), and ergosta-7,22-diene-3β,5α,6β-triol (4) w...

journal_title：Natural product research

authors： Al-Rabia MW,Mohamed GA,Ibrahim SRM,Asfour HZ

更新日期：2020-05-06 00:00:00

abstract：:A novel monoterpenoid indole alkaloid, melognine (1) possessing an unprecedented skeleton with a 6/6/5/5/6/6 hexatomic rearranged ring system was isolated from the stems of Melodinus fusiformis. The structure with absolute configuration of 1 was established by extensive spectroscopic analyses and quantum ECD calculati...

journal_title：Natural product research

authors： Zhou J,Du SY,Fang ZY,Feng JH

更新日期：2019-11-01 00:00:00

abstract：:(+) Benzomalvins E (1) and (-) Benzomalvins E (2), a pair of epimeric derivatives, together with three known benzomalvins (3-5), were isolated from solid cultures of a interrhizospheric fungus Penicillium sp. SYPF 8411. The planar structure of (+) Benzomalvins E (1) has been previously reported. While, the absolute co...

journal_title：Natural product research

authors： Feng QM,Feng Y,Zhang TY,Wang HF,Zhang MY,Wu YY,Chen G,Zhang YX,Pei YH

更新日期：2020-07-01 00:00:00

abstract：:Due to the increasing emergence of resistance of bacterial pathogens to current antibiotics, we have examined the marine fungi present in sea sediments obtained 200 m offshore to discover new antibacterial compounds active against multidrug-resistant bacteria. One strain, identified as Emericellopsis minima, was isola...

journal_title：Natural product research

authors： Inostroza A,Lara L,Paz C,Perez A,Galleguillos F,Hernandez V,Becerra J,González-Rocha G,Silva M

更新日期：2018-06-01 00:00:00

abstract：:In the course of our efforts to search new secondary metabolites from marine-derived fungi, one new hexylitaconic acid derivative, 3-(5-methoxycarbonylpentyl)-4-methylfuran-2,5-dione (1), and two dimeric analogues asperwelwinates A and B (2 and 3), together with ten known compounds, asperitaconic acid C (4), kotanin (...

journal_title：Natural product research

authors： Han J,Yang N,Wei S,Jia J,Lin R,Li J,Bi H,Song F,Xu X

更新日期：2020-07-15 00:00:00

abstract：:The extent of the microbial contamination of the seventeenth-century wall paintings in the nave of the old Church of the Holy Ascension (Veliki Krčimir, Serbia) was evaluated via newly implemented ATP bioluminescence method, and traditional cultivation-based method, utilising commercially available dip slides. To asse...

journal_title：Natural product research

authors： Unković N,Ljaljević Grbić M,Stupar M,Vukojević J,Subakov-Simić G,Jelikić A,Stanojević D

更新日期：2019-04-01 00:00:00

abstract：:The Nigerian and South African varieties of Siphonochilus aethiopicus were examined for their phytochemical constituents. The ethyl acetate extract of the rhizomes of the South African variety yielded a novel diarylheptanoid, 2,3-diacetoxy-7-(3'',4''-dihydroxy-5''-methoxyphenyl)-1-(4'-hydroxy-3'-methoxyphenyl)-5-hepte...

journal_title：Natural product research

authors： Igoli NP,Al-Tannak NF,Ezenyi IC,Gray AI,Igoli JO

更新日期：2020-07-27 00:00:00

abstract：:Chemical investigation of the aerial parts of Uvaria rufa (Dunal) Blume collected from Vietnam yielded one new lignan glycoside, ufaside (1), along with six known compounds, oxoanolobine (2), ergosta-4,6,8(14),22-tetraen-3-one (3), catechin (4), epicatechin (5), daucosterol (6) and glutin-5-en-3-one (7). Their chemica...

journal_title：Natural product research

authors： Nguyen TH,Ho VD,Do TT,Bui HT,Phan VK,Sak K,Raal A

更新日期：2015-02-01 00:00:00

abstract：:The antimicrobial activities of plant extracts have formed the basis of many alternative medicines. In this context, the genus Schinus L. (Anacardiaceae), exhibits many traditional uses in medicine. However, a few studies on the antimicrobial properties of Schinus areira essential oils were conducted. The essential oi...

journal_title：Natural product research

authors： Cutro AC,Castelli MV,López SN,Rosales MA,Hollmann A,Rodriguez SA

更新日期：2019-10-12 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

authors： Zheng N,Yao F,Liang X,Liu Q,Xu W,Liang Y,Liu X,Li J,Yang R

更新日期：2018-04-01 00:00:00

abstract：:A new oleanane triterpenoid (2) was isolated from the roots of Rubia philippinensis. The structure of 2 was determined by analysis of HRMS and NMR data and identified as a rubiprasin analogue, 16β-hydroxyrubiprasin B. Four related known compounds were also encountered which include rubiprasin B (1), maslinic acid (3),...

journal_title：Natural product research

authors： Quan KT,Min BG,Hwang IH,Choi YJ,Kim SK,Na M

更新日期：2019-07-25 00:00:00

abstract：:Natural products represent a rich source of bioactive compounds that have been historically used to obtain substances with great medicinal potential. The skin of anuran amphibians is a rich source of compounds with a wide range of biological activity. Alzheimer's disease (AD) is a complex disease associated with all k...

journal_title：Natural product research

authors： Spinelli R,Aimaretti FM,López JA,Siano AS

更新日期：2019-03-31 00:00:00

abstract：:The chemical composition of the volatile organic compounds (VOCs) released from the leaves and flowers of Artemisia fragrans Willd. (Asteraceae) was investigated using headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography (GC) and/or GS/mass spectrometry (GC/MS). The efficiency and reliability ...

journal_title：Natural product research

authors： Movafeghi A,Djozan Dj,Torbati S

更新日期：2010-08-01 00:00:00