2.2.7. Ascorbic acid
Ascorbic acid was measured as per the method described. Ten grams of sample was macerated using
3% meta-phosphoric acid and volume was made up to 100 ml
with meta-phosphoric acid. An aliquot of 10 ml of the extract
was taken and titrated with the standard dye (2,6-dichlorophenol
indophenol) till pale pink end-point was observed
which persisted for 15–20 s.