1Marshall L. Fishman, Hoa K. Chau, Peter Hoagland, Khaled Ayyad. Characterization of pectin, flash-extracted from orange albedo by microwave heating, under pressure [J] Carbohydrate research, Jan 1999: 126N138.
2S. Yeoh, J. Shi, T.A.G. Langrish.Comparisons between different techniruws for water-based extraction of pectin from orange peels [J] Desellination, Jan 2008: 229N237.
3I M. Kratchanova, E. Pavlova, I. Panchev.The effect of microwave heating of fresh orange peels tissue and quality of extracted pectin [J] Carbohydrate Polymers, June 2004: 181-185.