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METHOD OF LARCH BARK TANNIC EXTRACT PREPARING
METHOD OF LARCH BARK TANNIC EXTRACT PREPARING
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机译:落叶松鞣皮提取物的制备方法
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FIELD: pharmacy. SUBSTANCE: method involves short-time activation of bark by temperature and pressure followed by extraction with an aqueous-spirituous solution. Before an activation larch bark is extracted preliminary with nonpolar solvent and an activation is carried out in the presence of ammonium chloride taken at amount 0.5-1% of an absolutely dry bark mass. EFFECT: increased yield of tannic substances, improved quality, simplified technology of process. 2 ex, 3 tbl
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