Parameters (%) Grapefruit Peels Type
Peels of White Type Peels of Red Type
Moisture 75.25 75.37
Ash 1.50 1.60
Protein 1.05 1.15
Oil 0.20 0.40
Fiber 1.73 1.82
Carbohydrate (by difference) 20.27 19.66
Reducing sugars 10.4 10.2
Alcohol Insoluble Solids(AIS) 10.5 9.5
Calcium mg/100g 0.69 0.71
Magnesium mg/100g 0.17 0.17
Each value is a mean of duplicate determinations
Table 1: Components of Grapefruit Peels