Bioactive saponins and glycosides. Horse chestnut. (1): the structures, inhibitory effects on ethanol absorption, and hypoglycemic activity of escins a, b, a, b, and a from the seeds of Aesculus hippocastanum L - Yoshikawa,M.; Murakami,T.; Matsuda,H.; Yamahara,J.; Murakami,N.; Kitagawa,I.B. (Chem Pharm Bull, 1996)