1. Sephadex LH-20 Data File 18-1107-22;Amersham,1995
2. Sephadex LH-60 Data File 18-1108-79;Amersham,1995
3. Official method 990.03;AOAC,2000
4. Cheryan, M., 2001. Method for extracting xanthophylls from corn. US Patent 6,169,217.
5. Cheryan, M., 2002. Corn oil and protein extraction method. US Patent 6,433,146.