漢方薬抽出自動包装機を用いた湯液品質の経時変化(1) : 大黄甘草湯について

概要

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In recent years, decocting machines have come into practical use. These machines can provide one month's packages of decoction at one operation. Thus, patients can have their Kampo formula decocted by pharmacists with stable quality. However, it is necessary to clarify the change in quality of decoctions after long storage. Therefore in this report, we preserved Daiokanzoto produced by a decocting machine at 4, 25 or 40℃ and elucidated suitable preservation conditions and quality assurance periods on the basis of color, taste, and principal compound contents. The color of Daiokanzoto was maintained for 1 week at 4℃, 2 weeks at 40℃ and 2 months at 25℃. However, the color of the decoction changed after preserving for 2 months at 25℃; hence we consider 1 month to be a reasonable period for preservation in terms of color. Sennoside A content after storage for 6 months at 4℃ and 2 months at 25℃; glycyrrhizin content, and taste hardly showed any change. Thereby we concluded the packed decoction of Daiokanzoto produced by a decocting machine maintained the color, taste, and principal compound contents for a month at 25℃, i.e., room temperature.
2011-08-20