[GC-MS analysis of supercritical carbon dioxide extraction products from pericarp of Zanthoxylum bungeanum].

The chemical constituents of supercritical carbon dioxide extraction products from pericarp of Zanthoxylum bungeanun Maxim. were studied by GC-MS-DS. Forty-five compounds which account for 86.76% of the area of the chromatographic peaks were identified. The results showed that the main components of the extracts are beta-pinene (10.33%), 1,8-terpinene (7.6%), cis-piperitol acetate (7.07%), oleic acid (5.46%), palmitic acid (5.41%) and 4-terpineol, (43.7%), et al.