Results 31 to 40 of about 8,771,743 (176)
Separation of avermectin components from Streptomyces avemitilis extraction using high-speed counter-current chromatography [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2013 Three compounds of antibiotics-avermectins from fertilizing product of Streptomyces avemitilis are achieved by high-speed counter-current chromatography (HSCCC) with a two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (6:
Su Weike, Hou Zhuoni, Liang Xianrui
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Droplet Counter Current Chromatography (DCCC) in herbal analysis
Trends in Phytochemical Research, 2020 About half a century ago, the separation science was blessed with the introduction of a new liquid-liquid separation technique called droplet counter current chromatography (DCCC) that combined principles of counter current distribution and counter ...
Lutfun Nahar, Satyajit D. Sarker
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Purification of gangliosides by liquid-liquid partition chromatography
Journal of Lipid Research, 2008 A liquid-liquid partition chromatographic technique was applied to separate amphiphilic glycolipids. A two-phase solvent system composed of n-butanol-t-butyl methyl ether-acetonitrile-water at a volume ratio of 3:1:1:5 was found to be suitable for ...
Tomohisa Kato, Kenichi Hatanaka
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Shipin gongye ke-ji, 2022 For an improved study of flavonoid glycosides of great polarity from Hydrocotyle sibthorpioides Lam (HSL), the large polar flavonoid glycosides were extracted with n-BuOH, purified by DM 301 macroporous resin, Sephadex LH-20 and reversed-phase silica gel
Daoguang SONG, Zhi CHEN
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Isolation and purification of lignans from Schisandra chinensis by combination of silica gel column and high-speed counter-current chromatography [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2013 Silica gel column combined with high-speed counter-current chromatography separation was successfully applied to the separation of schizandrin (I), angeloylgomisin H (II), gomisin A (III), schisantherin C (IV), deoxyschizandrin (V), γ-schisandrin (VI)
Sun Yu +4 more
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Molecules, 2013 pH-Zone refining counter-current chromatography was successfully applied to the preparative isolation and purification of six alkaloids from the ethanol extracts of Uncaria macrophylla Wall. Because of the low content of alkaloids (about 0.2%, w/w) in U.
Qinghai Zhang +4 more
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Chromatographic Techniques to Separate and Identify Bioactive Compounds in Microalgae
Frontiers in Energy Research, 2022 Microalgae are potential sources for the sustainable production of valuable chemicals including polyphenols, pigments, and ω-3 PUFAs. However, successful exploitation of these high value compounds in the food, healthcare and pharmaceutical sectors ...
Hossein Kiani +7 more
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Química Nova, 2011 Preparative high-speed counter-current chromatography (HSCCC) was successfully applied for separation and purification of sesquiterpenoids from an extract of Tussilago farfara L.
Daijie Wang +4 more
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, 2007 Counter-current chromatography (CCC) sequentially followed by isocratic preparative reversed-phase high-performance liquid chromatography was used to isolate the seven bio-actives (azadirachtin A, azadirachtin B, azadirachtin H, desacetylnimbin ...
Brown, Leslie +6 more
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Isolation of Phenolics from by Combined Counter-current Chromatography and Gel-Filtration
Natural Product Communications, 2014 Nine phenolic compounds, quercetin, epi -catechin, catechin, 4-hydroxybenzoic acid, kaempferol 3- O -β-glucopyranoside, quercetin 3- O -β-glucopyranoside, quercetin 3- O -6″- trans -coumaroyl-β-glucoside, kaempferol 3- O -β-rutinoside and quercetin 3- O -
Fernanda das Neves Costa +3 more
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