Historical Study on the Usage and the Name of Crude Drug “Valerian” in Japan

OTA Misato, UTAKA Ichiro, MAKINO Toshiaki

doi:10.3937/kampomed.73.16

<p>Japanese valerian root (kanokoso, the dried root of Valeriana fauriei) has been known as a substitute for European valerian root (the dried root of V. officinalis). However, the usage of Japanese valerian root and the change of its crude drug name from ancient times in Japan have not been clear. We investigated ancient literatures, and revealed that Japanese valerian root might be used as folk medicine with the name of Japanese nard (wakansho) in the mid Edo period. Similar to the usage of European valerian root, Japanese valerian root had been used in the treatment for hysteria specifically in the late Edo period. It is considered that Japanese valerian root began to be used as women’s home medicines since hysteria had come to be assorted in women’s medical disorders in the early Showa era. Japanese valerian root had been originally named as kesso. However, kesso had been recognized as European valerian root since the plant name of V. officinalis was translated into Japanese as kanokoso in the late Edo period. In the early Showa era, the name of Japanese valerian root was changed into kissokon, and the Japanese nomenclatures for both Japanese and European valerian roots became recognized separately. After World War II, the description of kanokoso changed from kanji into katakana characters in Japanese.</p>

Historical Study on the Usage and the Name of Crude Drug “Valerian” in Japan

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