Isolation of Aristolochic Acids from Aristolochia Bracteolata and Studies of their Antioxidant Activities

Abstract

The isolation and structural elucidation of aristolochic acid-A and aristolochic acid-D from Omani Aristolochia bracteolata plant is reported. Antioxidant activities of these two natural products were evaluated for their capacity to reduce Mo(VI) to Mo(V). The study revealed that aristolochic acid-D is more active than vitamin C while aristolochic acid-A has activity similar to vitamin C.

Keywords

• Aristolochia bracteolata
• aristolochic acid-A
• aristolochic acid-D
• Antioxidant activities and Omani plants.