1. Nutrient losses during and after processing of pineapples and oranges;Akinyele;Food Chemistry,1990
2. AOAC (1990). Official methods of analysis of the Association of Official Analytical Chemists (15th ed.). Association of Official Analytical Chemists
3. Archer, K., & Tannenbaum, S. R. (1979). In S. R. Tannenbaum (Ed.), Nutritional and Safety Aspects of Food Processing. New York: Marcel Dekker
4. AVC (1966). Methods of Vitamin Assay (3rd ed.). In M. Freed (Ed.), The Association of Vitamin Chemists, New York: Interscience
5. Principles of Food Chemistry;Deman,1990