to detect carotenoids by measuring the absorbance found extract of solvents; Acetone and Ethanol contains carotenoids exist. And when tested UV protection with cell culture and counting cell to live to see the effectiveness in preventing cell UV rays found that the extract carotene carotenoids from the solvent Acetone can prevent UV. best by a cell number of live cells remaining from the 9051 total of 10,000 cells.