Component Average value Method of analysis
Water activity 0.98 ± 0.00 water activity analyzer
Humidity (%) 86.65 ± 0.25 moisture titrator
Soluble solids (°Brix) 10.00 ± 1.00 refractometer
Titratable acidity (g citric acid) 3.05 ± 0.12 AOAC (2006)
pH 2.00 ± 0.05 pH meter
Proteins (%) 0.84 ± 0.34 AOAC (1990)
Lipids (%) 0.34 ± 0.01 Bligh and Dyer (1959)
Carbohydrates (%) 11.68 ± 0.27 difference
Phenolic compounds (mg/100 g) 158.78 ± 8.47 Wettasinghe and Shahidi (1999)
Ashes 0.49 ± 0.13 AOAC (1990)
Color   McGuire (1992)
L* 63.89 ± 5.01  
a* -4.92 ± 0.58  
b* 38.25 ± 3.77  
Table 1: Physico-chemical and colorimetric composition of umbu pulp in natura.