Influence of acid, a ascorbic acid (AA), b citric acid (CA), c salt (NaCl), and sugars d glucose, e fructose, f sucrose on crude betalain pigments extracts of B. rubra ripened fruits. Values are mean ± SEM of three replicates and significance was tested by Duncan Multiple Range Test at p < 0.05, and values with different superscript were found not significant difference from each other