<prompt> Vitamins playing an impoant role in citric acid cycle:Thiamine, riboflavin, niacin, pantothenic acidThiamine, biotin, riboflavin, lipoic acidThiamine, pyridoxine, riboflavin, niacin, pantothenicThiamine, mecobalamin, pantothenic acid  <response>: Role of Vitamins in TCA Coenzyme Vitamin TCA cycle enzyme TPP B1 Thiamine Alpha - Ketoglutarate DH Isocitrate DH FAD B2 Riboflavin Succinate DH NAD B3 Niacin Alpha - Ketoglutarate DH Isocitrate DH Malate DH Coenzyme A B5 Pantothenic acid Succinyl CoA 