Specifications Most size of marigold extract manufacturer. Specification:Tagetes erecta extract(Lutein oil) 5%-95% Test Method:HPLC/UV Lutein oil(lutein) (CAS No:127-40-2) Latin Name:Tagetes erecta L Botanical Source:Marigold Part Used:Flower Appearance: Reddish Orange Yellow Powder Active Ingredient:Lutein Specification: Lutein 5%-95% Test Method:HPLC /UV Molecular Formula:C40H56O2 Molecular Weight:568.85 Product Description: Lutein is a carotenoid found in vegetables and fruits. It acts as an antioxidant, protecting cells against the damaging effects of free radicals.