1. Chocolate science and technology;Afoakwa,2010
2. Olive oil consumption and reduced incidence of hypertension: The SUN study;Alonso;Lipids,2004
3. Fatty acids in oils and fats, preparation of methyl esters. AOAC official method 969.33;AOAC International,1990
4. Cacao beans and its products. AOAC chapter 31;AOAC International,1995
5. Soxhlet fat extraction method. AOAC official method 948.22;AOAC International,1995