Canthaxanthin (beta, beta-carotene-,' -dione) is a reddish carotenoid, and has been used as a food colorant since the miCanthaxanthin(β，β-carotene-，′-dione)是一种淡红色的类胡罗卜素，从0年代中期在欧美开始用于食品色素。
Variation in the geometric isomer composition of canthaxanthin molecule in the metabolism of rat斑蝥黄质分子在大鼠体内代谢中的几何异构体组成变化