1. Official methods and recommended practices of the American oil chemists’ society;AOCS,2006
2. Wild rice hull antioxidants;Asamarai;Journal of Agricultural and Food Chemistry,1996
3. Choline, a vital amine;Blusztajn;Science,1998
4. FAOSTAT. (2018). Food and agriculture organization of the United Nations statistics division. http://faostat.fao.org/site/339/default.aspx. (Accessed 2 July 2018).
5. FDA. (2018). The food and drug administration. https://www.accessdata.fda.gov/scripts/fdcc/index.cfm?set=GRASNotices&id=478. (Accessed 2 July 2018).