[Studies on the chemical constituents from the fruit of Aristolochia debilis]

To study the chemical constituents of the fruit of Aristolochia debilis.

The compounds were isolated by chromatographic techniqcue and crystal methods, the structures were elucidated by spectrum analysis.

8 compounds were isolated from the dry fruit of Aristolochia debilis which were aristolochic acid I (1), aristolochic acid II (2), aristolochic acid III (3), aristolochic acid III a(4), aristolochic acid VII a (5), aristolactam I (6), aristolactam II (7) and aristolactam III a (8).

Compounds 1-8 are isolated from the fruit of Aristolochia debilis for the first time.