Parameters (%) Oxalate Soluble Pectin
White Type Red Type
Moisture 8.20 7.75
Ash 5.70 4.40
Ash Alkalinity 1.56 1.42
Methoxyl Content 6.8 5.84
Acetyl Content 0.20 0.20
Degree of Esterification 53.26 55.34
Equivalent Weight 819,000 1250,000
Anhydrouronic acid(AUA) 30.40 27.70
Protein 0.08 0.07
Intrinsic Viscosity 2.50 2.50
Molecular Weight x104 4.677 4.677
Calcium mg/100g 0.08 0.15
Magnesium mg/100g 0.01 0.02
Each value is a mean of duplicate determinations
Table 4: Properties of Ammonium Oxalate Soluble Pectic Fraction