Cassia oil, which is distilled from cassia barks or leaves, is widely used in food seasoning and Chinese traditional treatment. And it is also used as ingredient for flavors and fragrance. GC≥74%, 80% min. as usual, it looks like pale-brown to dark brown clear liquid with its special strong odor. It has another name, cinnamon oil. At present, the main cassia oil in the market is mainly distilled from its leaves instead of barks which is too expensive for distillate cost.