(gluconic acid, coagulation, amino acid, acetic acid, clostridium, lactobacilli) a. Process of -- -- -- -- of milk proteins occurs due to lactic acid. b. Harmful bacteria in like -- -- -- in the intestine are destroyed due to probiotics. c. Chemically, vinegar is -- -- --. d. Salts which can be used as supplement of calcium and iron are obtained from -------- acid