Yokukansan

Yokukansan is a standard recipe or prescription from traditional Chinese medicine used widely in Eastern Asian countries including China, Taiwan, North and South Koreas and Japan. There are some classical text books describing YKS for example 『保嬰金鏡録』, 『保嬰撮要』 by 薛鎧 and others. But only 薛己 described it as "愚製(my original)" in his book, so that 薛己 is probably the originator of this recipe. Yokukansan (YKS) contains an exactly measured mixture of dried herbs, 3g of Atractylodes macrocephala macrocephala Koidz. in China or 4 g of Atractylodes lanceae rhizoma (蒼朮) in Japan, 4 g of Poria (伏苓), 3 g of Cnidii rhizoma (川芎), 3 g of Angelicae radix (当帰), 2 g of Bupleuri radix (柴胡), 1.5 g of Glycyrrhizae radix (甘草), and 3 g of Uncariae uncis cum ramulus (釣藤鈎).

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