Parameters (%) Grapefruit Peels Type Peels of White Type Peels of Red Type Water Soluble Pectin 8.20 6.38 Ammonium Oxalate Soluble Pectin 6.92 5.23 Acid Soluble Pectin 11.20 7.80

Table 2: Pectin Content of Water, Oxalate and Acid Fractions