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Process for gently recovering extract fractions from Hypericum perforatum L., pharmaceutical compositions containing them and the use thereof
Process for gently recovering extract fractions from Hypericum perforatum L., pharmaceutical compositions containing them and the use thereof
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机译:从贯叶连翘中轻柔地回收提取物级分的方法,包含它们的药物组合物及其用途
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摘要
Preparation of extract fractions (A) from Hypericum perforatum comprises: (i) conventional preparation of an aqueous-alcoholic extract ; (ii) evaporating this extract to the required degree of concentration; (iii) separating the precipitate formed in step (ii) from the supernatant; and (iv) repeating, on the supernatant, steps (ii) and (iii), at least once. An Independent claim is included for (A), produced using the above method.
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