Relationship Between Lutein Deficit and Light Allocation as well as Antioxidants in Tomato Effects and mechanism of lutein on apoptosis of esophageal carcinoma EC9706 cells Determination of Lutein in Leaves of Sweet Potato by HPLC Relationship Between Lutein Deficit and Light Allocation as well as Antioxidants in Tomato Effects of Nitrogen Phosphorus Potassium and Water on Lutein in Tobacco (Nicotiana tabacum L.) Leaves CONSTRUCTION OF RNAI PLANT EXPRESSION VECTORS FOR INTERFERING LYCOPENE CYCLASE-β/ε GENES AND ITS EXPRESSION ANALYSIS Biotransformation of lutein esters Chemical constituents in leaves of Cyclosorus parasiticus ADVANCES IN LUTEIN AND ZEAXANTHIN——The Structures,Properties and Biological Function of Lutein and Zeaxanthin