Patent ID: 7270836
Filing Date: 2007-09-18
Classification: A61K,A61P

Abstract:
1. A mixture of withanolides from leaves of Withania somnifera comprising: (a) an isolated and purified withanolide selected from the group consisting of physagulin D (1→6)-b-D-glucopyranosyl-(1→4)-b-D-glucopyranoside; 27-O-b-D-glucopyranosyl physagulin D; 27-O-b-D-glucopyranosyl viscosalactone B; 4, 16-dihydroxy-5b, 6b-epoxyphysagulin D; and 4-(1-hydroxy-2, 2-dimethylcyclopropanone)-2, 3-dihydrowithaferin A; and (b) an isolated and purified withanolide selected from the group consisting of 2,3-dihydrowithaferin A; viscosalactone B; sitoindoside IX; physagulin D; withanoside IV, and withaferin A.