Usage and precautions: spice for flavoring. China's hygienic standard for the use of food additives (GB2760-1996) stipulates that an appropriate amount can be used to prepare various food essence according to production needs. FEMA regulations: the high reference dosage is soft drink, 1.7mg/kg; Alcoholic beverages, 3.0 mg/kg; Ice cream, ice food, 3.7mg/kg; Candy, 17mg/kg; Baked goods, 17mg/kg; Jelly and pudding, 44mg/kg; Gum sugar, 39mg/kg. It is used to imitate essence such as plum, cheese, coconut, nut and nutmeg. It can be used as a blending agent in spices.

Identification method: aroma identification.