Eight taste Rehmanniae radix circular extract null rehmannias radixes which are obtained by the formulation conversion manner and the said formulation conversion manner of the decoction of eight taste

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a stable preparation in a short time by clarifying a Chinese decoction and subsequently processing the transparent extract into the preparation. ;SOLUTION: This method for producing a preparation comprises boiling down plural kinds of Chinese galenicals, filtering the obtained extract, concentrating the filtrate, adding about 30% of alcohol to the concentrate to forcibly precipitate starch, sugar, etc., further concentrating the supernatant and subsequently processing the concentrated product into the preparation.;COPYRIGHT: (C)1999,JPO