Infrared spectroscopic and chemometric approach for identifying binding medium in Sukias mansion's wall paintings.

abstract：:Bothrops jararacussu venom's (Bj2015) batch was biomonitored quarterly for one year to assess phospholipase A2 (PLA2) activity, immunogenicity, neurotoxicity, and myotoxicity. In silico models were applied to evaluate losses using decay model and recoveries by predictive trend analysis. Mice were immunized with Bj2015...

journal_title：Natural product research

authors： Oliveira ICF,Mora AD,Neto JB,de Oliveira ÁL,Harder C,Hanai-Yoshida VM,Cogo JC,Floriano RS,Bonventi Junior W,Oliveira SJ,Oshima-Franco Y

更新日期：2019-08-01 00:00:00

abstract：:Two triterpenes (14S,17S,20S,24R)-25-hydroxy-14,17-cyclo-20,24-epoxy-malabarican-3-one (CEM, 1a) and (14S,17S,20S,24R)-20,24,25-trihydroxy-14,17-cyclomalabarican-3-one (CM, 2a) with a cyclobutane ring were reported, which have the same NMR data as ocotillone (1b) and gardaubryone C (2b), respectively. An incorrect str...

journal_title：Natural product research

authors： Duan ZK,Lv TM,Song GS,Wang YX,Lin B,Huang XX

更新日期：2020-06-11 00:00:00

abstract：:Two new anthraquinone malonylglucosides polygonins A and B were isolated from Polygonum cuspidatum along with seven known compounds. The structures of 1 and 2 were elucidated based on their spectroscopic data. ...

journal_title：Natural product research

authors： Zhang H,Zhang QW,Wang L,Zhang XQ,Ye WC,Wang YT

更新日期：2012-01-01 00:00:00

abstract：:One new iridoid glycoside, 6',10-di-O-(4-hydroxybenzoyl) aucubin (1), together with ten known compounds, including five diterpenoids (2-6), two triterpene glucosides (7-8) and three methoxylated flavonoids (9-11) were isolated from the fruits of Vitex rotundifolia. Compounds (3, 4, 7, and 8) were reported for the firs...

journal_title：Natural product research

authors： Zhao YY,Guo L,Cao LJ,Zhang J,Yin ZQ

更新日期：2017-11-01 00:00:00

abstract：:Two new, aramatosides A and B (1 and 2), together with seven known oleanane-type triterpene saponins (3-9) were isolated from the leaves of Aralia armata. Their structures were determined by combination of HR-ESI-MS, 1 D and 2 D NMR spectral data as well as comparison with the previous literature. Compounds 6-9 exhibi...

journal_title：Natural product research

authors： Yen PH,Chuong NTH,Lien GTK,Cuc NT,Nhiem NX,Thanh NTV,Tai BH,Seo Y,Namkung W,Park S,Kim SH,Minh CV,Kiem PV

更新日期：2020-05-22 00:00:00

abstract：:Bioassay guided chemical investigation of the gorgonian Pacifigorgia senta led to the discovery of a new 19-oxygenated steroid, cholesta-5,24-diene-3β,7β,19-triol (1), as well as three known steroids (2-4). The structure of 1 was determined by extensive spectroscopic analysis, including NMR and MS spectra. All of the ...

journal_title：Natural product research

authors： Chen M,Han L,Zhang XL,Wang CY

更新日期：2016-06-01 00:00:00

abstract：:A study on essential oil fractions of the Western Balkan endemic Sideritis romana L. subsp. purpurea (Tal. ex Benth.) Heywood collected in Montenegro is reported. The 24-h systematic steam distillation extraction procedure was performed. The gas chromatographic/mass spectrometric (GC/MS) analysis of the fractions show...

journal_title：Natural product research

authors： Garzoli S,Božović M,Baldisserotto A,Andreotti E,Pepi F,Tadić V,Manfredini S,Ragno R

更新日期：2018-05-01 00:00:00

abstract：:Morus nigra, popularly known as mulberry, has been traditionally used as anti-diabetic herbal medication. This study focused on hexane fraction from Brazilian M. nigra leaves (Hex-Mn) effects on digestion and absorption of carbohydrate in diabetic mice. The high-performance liquid chromatography (HPLC) analysis was pe...

journal_title：Natural product research

authors： Silva DHAD,Barbosa HM,Beltrão RLA,Silva CFO,Moura CA,Castro RN,Almeida JRGDS,Gomes DA,Lira EC

更新日期：2020-02-24 00:00:00

abstract：:The antioxidant, nitric oxide (NO) scavenging and malondialdehyde (MDA) scavenging activities of different Zataria multiflora (ZM) chemotype essential oils (EOs) were investigated. The main components are: ZM1 (carvacrol, p-cymene), ZM2 (carvacrol, p-cymene), ZM3 (carvacrol, p-cymene), ZM4 (linalool), ZM5 (carvacrol, ...

journal_title：Natural product research

authors： Karimian P,Kavoosi G,Saharkhiz MJ

更新日期：2012-01-01 00:00:00

abstract：:Eight known abietane diterpenes (1-8) were isolated for the first time from Abies numidica cones (Pinaceae). The structures of all compounds were established by means of 1D and 2D NMR, and UV spectral analyses. The hydromethanolic extract of A. numidica cones was tested for its antimicrobial activity against 17 gram-p...

journal_title：Natural product research

authors： Belhadj Mostefa M,Abedini A,Voutquenne-Nazabadioko L,Gangloff SC,Kabouche A,Kabouche Z

更新日期：2017-03-01 00:00:00

abstract：:This study investigated the in vitro anticancer potential of phytochemical constituents isolated from the methanolic extract of Eriocephalus africanus. One flavanone (hesperidin) and two flavones (luteolin and apigenin) were isolated for the first time from the plant using column chromatography. Standard MTT assay was...

journal_title：Natural product research

authors： Magura J,Moodley R,Maduray K,Mackraj I

更新日期：2020-03-25 00:00:00

abstract：:One novel hexanordammarane glycoside, ginsenoside R(10), was isolated from the leaves and stems of Panax quinquefolium L. as a minor constituent. It is the first time that a hexanordammarane glycoside isolated from the plant of Panax quinquefolium L. Its structure was elucidated as 3-O-β-D-glucopyranosyl-3β, 12β-dihyd...

journal_title：Natural product research

authors： Liu JP,Lu D,Li PY

更新日期：2012-01-01 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：:Ten compounds (1-10) were purified from the extract of lichens C. faveomaculata, and among these one new triterpenoid, cryptothecin A (1) was characterized through mass spectrometric and 2D NMR spectroscopic analyses. Some of the isolated compounds were assessed for their antimicrobial (1, 6, and 8) and cytotoxic acti...

journal_title：Natural product research

authors： Ngoc Tuan N,Kuo PC,Trung Hieu T,Tuong Vi LN,Tong Hung Q,Dunge LT,Duy Trinh N,Quang Trung N,Cuu Khoa N,Viet Hai H,Thang TD

更新日期：2019-08-02 00:00:00

abstract：:The aim of the present study was to study the effect of seeds of Asteracantha longifolia on the sexual behaviour of male albino rats. The ethanolic extract of seeds of A. longifolia was administered to groups of rats in 100, 150 and 200 mg kg⁻¹ doses for a period of 28 days, and the action compared with control rats. ...

journal_title：Natural product research

authors： Chauhan NS,Sharma V,Dixit VK

更新日期：2011-09-01 00:00:00

abstract：:A new dimeric secoiridoids derivative, named japonicaside E, together with six known compounds were isolated from the flower buds of Lonicera japonica. The structures of these compounds were elucidated by the analyses of mass spectrometry and NMR spectroscopy. All compounds were evaluated for anti-inflammatory activit...

journal_title：Natural product research

authors： Ge W,Li HB,Fang H,Yang B,Huang WZ,Xiao W,Wang ZZ

更新日期：2019-01-01 00:00:00

abstract：:Cinobufagin (CBF) is an active ingredient isolated from Venenum Bufonis extracted and dried from the secretory glands of Bufo gargarizans Cantor. The purpose of the study was to investigate the effects and underlying mechanisms of CBF on human breast cancer MCF-7 cells in vitro. Our results showed that CBF exhibited o...

journal_title：Natural product research

authors： Zhu L,Chen Y,Wei C,Yang X,Cheng J,Yang Z,Chen C,Ji Z

更新日期：2018-02-01 00:00:00

abstract：:Azadirachtin-A (Aza-A, figure 1) was subjected to a variety of synthetic transformations and the antifeedant activity and toxicity of the azadirachtin derivatives were assessed against second instar larvae Spodoptera litura on castor leaves in comparison with the crude material containing 9.14% Aza-A, as well as relat...

journal_title：Natural product research

authors： Deota PT,Upadhyay PR

更新日期：2005-07-01 00:00:00

abstract：:A new pterocarpan, named velucarpin D (1), along with nine known pterocarpans (2-10) were isolated from the stems of Dalbergia velutina. Their structures were determined by spectroscopic analysis. All isolated compounds were evaluated for their cytotoxicity against five human cancer cell lines (KB, HeLa S-3, MCF-7, He...

journal_title：Natural product research

authors： Kaennakam S,Sukandar ER,Hongnak S,Rassamee K,Siripong P,Tip-Pyang S

更新日期：2020-04-05 00:00:00

abstract：:Chemical investigation of Trogopterus faeces has led to the isolation of seven flavonoids. Their structures were elucidated by chemical and spectral analyses. In an anticoagulative assay, three kaempferol coumaroyl rhamnosides had significant antithrombin activity. This is the first report on the occurrence of flavono...

journal_title：Natural product research

authors： Yang NY,Tao WW,Duan JA

更新日期：2010-11-01 00:00:00

abstract：:Three new (1-3) and 17 known (4-20) iridoid and secoiridoid glycosides were isolated from a methanol extract of the rhizomes and roots of Gentiana scabra. Their chemical structures were elucidated from 1D and 2D NMR, IR absorption, and HR-ESI-MS spectra, as well as comparisons of these data with reported values. The e...

journal_title：Natural product research

authors： Li W,Zhou W,Kim S,Koo JE,Kim Y,Koh YS,Shim SH,Ma JY,Kim YH

更新日期：2015-01-01 00:00:00

abstract：:Phytochemical investigation of the twigs of Garcinia nobilis led to the isolation of a new xanthone, named l-hydroxy-2,5-dimethoxyxanthone (1), together with 15 known compounds (2-16). The structures of the new and known compounds were established by means of spectroscopic methods and by comparison with previously rep...

journal_title：Natural product research

authors： Fouotsa H,Tatsimo SJ,Neumann B,Michalek C,Mbazoa CD,Nkengfack AE,Sewald N,Lannang AM

更新日期：2014-01-01 00:00:00

abstract：:As part of our search for compounds with cytotoxicity from endophytes of traditional Chinese medicines, two novel nor-sesquiterpenoids (1-2) with a new skeleton containing a tetrahydrofuran moiety were isolated form a rice medium of Fusarium tricinctum, an endophytic fungus isolated from the root of Ligusticum chuanxi...

journal_title：Natural product research

authors： Cao YM,Guo DL,Jin MY,Tan L,Yang TL,Deng F,Gu YC,Li XH,Cao ZX,Deng Y

更新日期：2020-01-24 00:00:00

abstract：:Nine compounds were isolated from Nocardia sp. YIM 64630, and their structures were elucidated as 5'-O-acetyl-2'-deoxyuridine (1), 22E,24R-5α,6α-epoxyergosta-8(14),22-diene-3β,7α-diol (2), 22E,24R-5α,6α-epoxyergosta-8,22-diene-3β,7α-diol (3), 22E,24R-ergosta-7,22-diene-3β,5α,6β-triol (4), 5α,8α-epidioxyergosta-6,22-di...

journal_title：Natural product research

authors： Li W,Yang X,Yang Y,Qin S,Li Q,Zhao L,Ding Z

更新日期：2015-01-01 00:00:00

abstract：:In the context of our previous communication on phytochemical studies of the ethanolic extract of flowers of Alstonia scholaris of Pakistan origin, these have resulted in the isolation of two new triterpenoids. One is of the oleanane type, alstoprenyol, 3-β-hydroxy-28-β-acetoxy-5-olea triterpene (1), the other is of u...

journal_title：Natural product research

authors： Sultana N,Saify ZS,Saleem M,Kamal M

更新日期：2013-01-01 00:00:00

abstract：:The ability of the endophytic fungus Umbelopsis dimorpha SWUKD3.1410 to transform the triterpene nigranoic acid (3, 4-secocycloarta-4(28), 24-(Z)-diene-3, 26-dioic acid; 1) was investigated. Co-culture of nigranoic acid with U. dimorpha SWUKD3.1410 yielded six major products, including a new triterpene (2) and 5 known...

journal_title：Natural product research

authors： Wang L,Qin D,Zhang K,Huang Q,Liu S,Han MJ,Dong JY

更新日期：2017-06-01 00:00:00

abstract：:Monoterpene glycosides have been isolated from the ethyl acetate soluble fraction of Indigofera hetrantha and their structures assigned to be 3,7-dimethyl-2(E),6-octadien-5-one-1-O-beta-D-6-O-acetylglucopyranoside (1) and 3,7-dimethyl-2(E), 6-octadien-5-one-1-O-[-beta-D-6''-O-acetylglucopyra-nosyl (1'' --> 6')-beta-D-...

journal_title：Natural product research

authors： Mehmood S,Aziz-Ur-Rahman,Ahmad Z,Afza N,Malik A,Ahmad H,Choudhary MI

更新日期：2008-01-01 00:00:00

abstract：:Immature dendritic cells (iDCs) play very important roles in the pathological process of rheumatoid arthritis (RA). Therefore, it is urgent to search for natural products with antiproliferative activity on iDCs for anti-RA drug discovery. Erycibe schmidtii, a traditional Chinese medicine, has been used to treat RA in ...

journal_title：Natural product research

authors： Ren W,Wang Y,He Q,Zhou Y,Li C,Wang W,Leng X,Zeng T,Zou Q,Li L

更新日期：2020-09-01 00:00:00

abstract：:Chromatographic purification of the DCM sub-extract of Uvaria grandiflora led to the isolation and characterization of a new polyoxygenated cyclohexane derivative, grandifloranol (1), together with five known compounds. Among the compounds isolated, zeylenone (3) showed moderate antitubercular activity against Mycobac...

journal_title：Natural product research

authors： Macabeo APG,Flores AIG,Fernandez RAT,Budde S,Faderl C,Dahse HM,Franzblau SG

更新日期：2020-03-23 00:00:00

abstract：:Three biflavonoid glycosides, named carinoside B, C and D (1, 2 and 3, respectively), were isolated from the n-BuOH crude extract of the aerial part of Lomatogonium carinthiacum (Wulfen) Rchb (L. carinthiacum). The structures of 1, 2 and 3 were elucidated by spectroscopic methods, including UV, IR, HR-ESI-MS and exten...

journal_title：Natural product research

authors： Bao B,Wang Q,Wu X,Tai W

更新日期：2015-01-01 00:00:00