2.11. Determination of titratable acidity
Titratable acidity of the sample was determined by the standard
method of AOAC [29].
2.12. Statistical analysis
All of the data obtained in the present study were presented as
mean value ± standard deviation (SD). Analysis of variance (one
way-ANOVA) was performed, and significant differences between
mean values were determined by LSD pairwise comparison test
at a significance level of P < 0.05. Statistical analyses were conducted
using Statistix 9.0 software (Analytical Software, Tallahassee,
FL, USA).