The chemical modification was performed by the complexes such as calcium acetate,magnesium acetate or zinc acetate which reacted with crude capsanthin,and a good result can be gained.

• 用金属钙、镁、锌的乙酸盐为络合剂分别对粗辣椒红色素进行化学改性，得到辣椒红色素镁络盐和锌络盐的粉末产品；