Satoshi Ogawa

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Natural seeds of Japanese horse chestnut (Aesculus turbinata Blume) contain large amounts of mixed triterpenoidal saponins called escins. Recent studies have shown that escins have several biological(More)
Indigo plant (Polygonum tinctorium Lour) has been utilized as a medicinal plant with a variety of biological activities. We have recently detected higher levels of flavonoids in indigo leaves. This(More)