... role in regulation on the circulatory system, anti-tumor, liver and gallbladder, kidney,etcCrocetin is a natural carotenoid dicarboxylic acid which ... in the crocus flower. Based on the non-toxic side effects and the good anti-cancer activeness,crocetin is playing an important ... role in regulation on the circulatory system, anti-tumor, liver and gallbladder, kidney,etc. 0.3% Crocetin