You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All the following have antioxidant action except: and explain in detail?
Ans: d (Vitamin D) Ref: Vasudevan Sreekumari, 6th edi., pg. 241Antioxidants are: Vitamin E (most effective naturally occurring antioxidant) Vitamin C, ceruloplasmin, caffeine, selenium Vitamin A (Beta carotene), cysteine, glutathione are minor antioxidantsAntioxidants used as therapeutic agentsVitamin C, vitamin E, dimethyl thiourea, dimethyl sulfoxide, allopurinolCommercial use of antioxidantsAntioxidants are regularly used in food industry to increase the shelf life of products. They prevent oxidative damage of oils, particularly those containing PUFA and prevent rancidity.