PRODUCTION OF TANNIN
PURPOSE:To simply obtain a large amount of tannin, by extracting a tannin- containing plant with a solvent and passing successively the extracted solution through a column chromatography using polystyrene gel and a column chromatography using polyvinyl gel. CONSTITUTION:A tannin-containing substance...
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| creator | TAGUCHI HEIHACHIRO IKETANI YUKINOBU |
| description | PURPOSE:To simply obtain a large amount of tannin, by extracting a tannin- containing plant with a solvent and passing successively the extracted solution through a column chromatography using polystyrene gel and a column chromatography using polyvinyl gel. CONSTITUTION:A tannin-containing substance e.g., [Agarimonia pilosa Ledeb(Rossaseae)], etc., is extracted with a solvent (preferably water-acetone mixed solvent) and the extracted solution is subjected to column chromatography using polystyrene porous polymer gel to give a tannin-containing crude fraction. Further the crude fraction is subjected to column chromatography using polyvinyl porous polymer gel to give the aimed purified tannin. A mixed solvent of water and methanol, water and acetone or water, acetone and methanol is preferable as the eluting solvent. |
| format | Patent |
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CONSTITUTION:A tannin-containing substance e.g., [Agarimonia pilosa Ledeb(Rossaseae)], etc., is extracted with a solvent (preferably water-acetone mixed solvent) and the extracted solution is subjected to column chromatography using polystyrene porous polymer gel to give a tannin-containing crude fraction. Further the crude fraction is subjected to column chromatography using polyvinyl porous polymer gel to give the aimed purified tannin. 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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DERIVATIVES THEREOF METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SUGARS THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PRODUCTION OF TANNIN |
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