TY - BOOK AU - Hiai,S. AU - Oura,H. AU - Nakajima,T. TI - Color reaction of some sapogenins and saponins with vanillin and sulfuric acid UR - https://drive.google.com/file/d/1MaBC-9vGFpcZ9KYYrp9wEqjCzOfWWgQB/view?usp=drivesdk ER -