in hot climate ilk vendors add baking soda to the milk .give a scientific explanationfor adding baking soda
pH of fresh milk is around 6. In hot climate, the lactobacillus bacterial function at their maximum rate and there is more chances for the spoliation of milk. By adding baking soda milkman try to alter the pH of fresh milk from slightly acidic to slightly basic. In basic form it will not spoil easily because the lactic acid produced reacts with the baking soda.