Separation and purification of ginsenoside Re from ginseng bud by selective adsorption of active carbon and preparative high-performance liquid chromatography.

abstract：:The antibacterial activity of essential oil and methanolic extract of Teucrium polium was determined against Pseudomonas aeruginosa, Pantoea agglomerans, Brenneria nigrifluens, Rhizobium radiobacter, Rhizobium vitis, Streptomyces scabies, Ralstonia solanacearum, Xanthomonas campestris and Pectobacterium cartovorum by ...

journal_title：Natural product research

authors： Purnavab S,Ketabchi S,Rowshan V

更新日期：2015-01-01 00:00:00

abstract：:An activity-guided isolation and purification process was used to identify the l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging components of the food plant (Terminalia arjuna) of Antheraea mylitta. Dry leaves of T. arjuna were extracted with different solvents and tested for their antioxidant activity aga...

journal_title：Natural product research

authors： Singh PP,Chauhan SM

更新日期：2014-01-01 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：:Eurya acuminata DC and Croton caudatus Gieseler are two ethno-medicinal plants used by Kuki community of North East India. From these plants, we have characterized fifteen phytochemicals (1-15) by extensive use of chromatographic and spectroscopic methods. They were also tested for in vitro cytotoxic effects against A...

journal_title：Natural product research

authors： Neipihoi,Narzary B,Saikia S,Saikia S,Tamuli KJ,Sahoo RK,Dutta D,Bordoloi M

更新日期：2020-09-16 00:00:00

abstract：:Illicium lanceolatum is a popular aromatic and medicinal plant in China. Essential oil from the roots of I. lanceolatum, obtained by hydrodistillation, was analysed by GC-MS. The essential oil was dominated by phenylpropenes. The major components were myristicin (17.63%), α-asarone (17.23%), methyl isoeugenol (11.19%)...

journal_title：Natural product research

authors： Liang J,Huang B,Wang G

更新日期：2012-01-01 00:00:00

abstract：:Chemical investigation of the Red Sea sponge Dragmacidon coccinea led to the isolation of a new nucleoside, dragmacidoside (1), along with eight known compounds: adenosine (2), inosine (3), deoxycytidine (4), methyl-α-d-glucopyranoside (5), clionasterol (6), stigmasterol (7), campesterol (8) and brassicasterol (9). Th...

journal_title：Natural product research

authors： Abou-Hussein DR,Badr JM,Youssef DT

更新日期：2014-01-01 00:00:00

abstract：:A novel Amaryllidaceae alkaloid, 6-O-methylkrigeine, has been isolated from Nerine huttoniae and the configuration was elucidated by 1-D and 2-D (1)H-NMR, (13)C-NMR, HRMS and optical rotation. ...

journal_title：Natural product research

authors： Molander M,Christensen SB,Jäger AK,Olsen CE,Rønsted N

更新日期：2012-01-01 00:00:00

abstract：:A new phenolic glycoside, 6-O-(4'-hydroxy-3',5'-dimethoxybenzoyl)-d-glucopyranose (4), and nine known compounds (1-3 and 5-10) were isolated from Juglans mandshurica Maxim. Compound structures were elucidated by NMR, HR-ESI-MS and acid hydrolysis. Compounds 5 and 6 are reported from this genus for the first time. Amon...

journal_title：Natural product research

authors： Yao D,Jin M,Zhang C,Luo J,Li R,Zheng M,Cui J,Li G

更新日期：2014-01-01 00:00:00

abstract：:A new flavonoid, dihydroglychalcone-A, was isolated from the leaves extract of Glycosmis chlorosperma in addition to two known sulphur-containing amides, dambullin and gerambullin. The structure of the new compound was assigned as 2'-hydroxy-4,6'-dimethoxy-3',4'-(2",2"-dimethylpyrano)dihydrochalcone. The extract of th...

journal_title：Natural product research

authors： Rahmani M,Leng KW,Ismail HB,Hin TY,Sukari MA,Ali AM,Kulip J

更新日期：2004-02-01 00:00:00

abstract：:Terminalia bellerica has been used as a traditional medicine in a variety of ailments including anaemia, asthma, cancer, inflammation, rheumatism and hypertension. In this study, the free radical scavenging and antioxidant activities of methanol extract (ME) and its different solvent fractions (namely hexane (HE), eth...

journal_title：Natural product research

authors： Nampoothiri SV,Binil Raj SS,Prathapan A,Abhilash PA,Arumughan C,Sundaresan A

更新日期：2011-02-01 00:00:00

abstract：:The ethanolic extract of the stems of Viburnum fordiae Hance showed insecticidal and α-glucosidase inhibitory activities and then was fractionated by bioactivity-guided fractionation to obtain a rare C13-norisoprenoid (1), together with a new phenolic glycoside (2), and seven known compounds, alangionoside C (3), pisu...

journal_title：Natural product research

authors： Shao JH,Chen J,Zhao CC,Shen J,Liu WY,Gu WY,Li KH

更新日期：2019-09-01 00:00:00

abstract：:Three allylbenzenes from Asiasarum heterotropoides, methyleugenol (1), elemicin (2) and gamma-asaron (3) showed suppressive effects on umu gene expression of the SOS response in the Salmonella typhimurium OY1001/1A2 umu test against the mutagen 2-amino-3,4-dimethylimidazo[4,5-f ]quinoline (MeIQ). Gene expression was s...

journal_title：Natural product research

authors： Miyazawa M,Kohno G,Okuno Y,Oda Y

更新日期：2006-06-01 00:00:00

abstract：:A megastigmane sulphoglycoside together with three phenolic compounds were isolated from the water-soluble fraction of the pericarps of Garcinia mangostana. The structure of the new compound was determined as 4-O-sulpho-β-d-glucopyranosyl abscisate (1) by spectroscopic data. Proanthocyanidin A2 (2) showed potent α-glu...

journal_title：Natural product research

authors： Tran TH,Le Huyen T,Tran TM,Nguyen TA,Pham TB,Nguyen Tien D

更新日期：2016-07-01 00:00:00

abstract：:An HPLC/DAD/ESI-MSn method was established to characterise flavonoids in the seeds of Sophora alopecuroides L. All the flavonoids exhibited abundant [M-H]- ions, which triggered data-dependent multistage mass spectrometry fragmentations. Characteristic UV spectra were used to confirm flavonoid subtypes. In total, 22 f...

journal_title：Natural product research

authors： Yang WZ,Ye G,Meng AH,Sabir G,Qiao X,Guo DA,Ye M

更新日期：2013-03-01 00:00:00

abstract：:An aroma chemical emitted from Gerris paludum insularis was analyzed by means of GC and GC-MS. The main constituent was identified as iso amyl alcohol (3-methyl-1-butanol). The chemical showed a characteristic aroma of Gerris paludum insularis. ...

journal_title：Natural product research

authors： Ono T,Miyazawa M

更新日期：2004-06-01 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 highly oxygenated germacranolide, carcerlane A (1), together with four known highly oxygenated germacranolides (2-5), was isolated from an ethanol extract of the whole plant of Carpesium nepalense var. lanatum (C.B.Clarke) Kitam. The structures were determined by HRESIMS and extensive analysis of their spectrosc...

journal_title：Natural product research

authors： Yu YF,Li YQ,Wang RY,Liu X,Cui WB,Chen XH,Zhao CM,Qi FM,Zhang ZX,Fei DQ

更新日期：2020-10-22 00:00:00

abstract：:Essential oils hydrodistilled from the leaves and stem barks of Goniothalamus macrocalyx Ban., Goniothalamus albiflorus Ban. and Goniothalamus tamirensis Pierre ex Fin. & Gagnep. growing in Vietnam were analysed by gas chromatography (GC) and GC-coupled with mass spectrometry. α-Pinene (1.7-50.0%), β-pinene (tr-6.8%),...

journal_title：Natural product research

authors： Thang TD,Huong LT,Dai DN,Ogunwande IA

更新日期：2013-01-01 00:00:00

abstract：:Fermentation of (+)-androst-4-ene-3,17-dione (1) with Curvularia lunata for 10 days yielded five oxidative and reductive metabolites, androsta-1,4-diene-3,17-dione (2), 17beta-hydroxyandrosta-1,4-dien-3-one (3), 11alpha-hydroxyandrost-4-ene-3,17-dione (4), 11alpha,17beta-dihydroxyandrost-4-en-3-one (5) and 15alpha-hyd...

journal_title：Natural product research

authors： Choudhary MI,Sultan S,Khan MT,Yasin A,Shaheen F,Atta-ur-Rahman

更新日期：2004-12-01 00:00:00

abstract：:Three alkaloids, (3-chloro-2-hydroxypropyl) trimethylammonium chloride (1), p-(acetylamino)-phenol (2) and 4,4'-diacetamidodiphenyl ether (3), were isolated from Reineckia carnea herba. Their structures were determined by detailed analysis of their 1D and 2D NMR spectra and MS. Compounds 1 and 3 were new natural produ...

journal_title：Natural product research

authors： Wang J,Han N,Wang Y,Wang Y,Liu Z,Wang Y,Yin J

更新日期：2014-01-01 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：: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：:(+) 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：: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

authors： Son DJ,Park YO,Yu C,Lee SE,Park YH

更新日期：2014-01-01 00:00:00

abstract：:A new triterpenoid saponin, silenoviscoside F (1), was isolated from the roots of Silene viscidula, together with three known saponins, dianchinenoside D (2), sinocrassuloside I (3) and sinocrassuloside II (4). The structure of compound 1 was elucidated by spectroscopic data, GC-MS and chemical methods. The structures...

journal_title：Natural product research

authors： Xu W,Fang J,Zhu Z,Wu J,Li Y

更新日期：2012-11-01 00:00:00

abstract：:Globe artichoke has been long considered a nutraceutical food for its valuable content of bioactive compounds. However, beside a well-known polyphenol profile, poor information is available about its metabolite and mineral composition. The aim of this study was to investigate edible parts of Sicilian artichokes, 'Spin...

journal_title：Natural product research

authors： Albergamo A,Rotondo A,Salvo A,Pellizzeri V,Bua DG,Maggio A,Cicero N,Dugo G

更新日期：2017-05-01 00:00:00

abstract：:The biological properties of medicinal plants have been documented worldwide for many centuries. We aimed to evaluate interactions between crude extracts from Psidium guajava, Zingiber officinale, Cymbopogon citratus, Caryophyllus aromaticus, Mikania glomerata and Allium sativum samples and antimicrobial drugs against...

journal_title：Natural product research

authors： Ushimaru PI,Barbosa LN,Fernandes AA,Di Stasi LC,Fernandes A Jr

更新日期：2012-01-01 00:00:00

abstract：:The chemical investigation of whole plants Euphorbia stracheyi Boiss from China led to the isolation of one new ent-kaurane diterpene, ent-Kaurane-16β,17,19-triol-3-one (1), along with three known ent-kaurane diterpenoids (2-4) as ent-Kaurane-3α,16β,17-triol (2)，ent-16S,17-dihydroxy-kaurane-3-one (3) and ent-3S,16S,17...

journal_title：Natural product research

authors： Liu T,Liang Q,Xiong NN,Dai LF,Wang JM,Ji XH,Xu WH

更新日期：2017-01-01 00:00:00

abstract：:The lipid peroxidation inhibitory activities of four hydroxyxanthones, isolated from the whole plant Swertia decussata, were evaluated for the first time. The most promising antioxidant among the xanthones, 1,7,8-trihydroxy-3-methoxyxanthone (swertianine, 4) was also tested for its scavenging potential against DPPH an...

journal_title：Natural product research

authors： Patro BS,Chintalwar GJ,Chattopadhyay S

更新日期：2005-06-01 00:00:00

abstract：:Continued investigation of the marine alga Laurencia claviformis has led to the isolation of pacifenol, a halogenated sesquiterpene as the major metabolite. The microbial transformation of pacifenol is reported. It was cultivated with a marine strain of Penicillium brevicompactum yielding a new compound. The structure...

journal_title：Natural product research

authors： San-Martín A,Rovirosa J,Astudillo L,Sepúlveda B,Ruiz D,San-Martín C

更新日期：2008-12-01 00:00:00