The hexane layer containing the carotenoids mixture was removed with a pipette to a clean tube containing 1.0 g of anhydrous sodium sulfate. Extractions were repeated with 2 mL hexane until the extract was clear.
The hexane layer containing the carotenoids mixture was removed with a pipette to a clean tube containing 1.0 g of anhydrous sodium sulfate. Extractions were repeated with 2 mL hexane until theextract was clear.