Abstract:Nutrients are the material bases for the normal function of the human immune system. They play important roles in both innate and adaptive immunity. Fatty acids are the raw materials for the synthesis of immunoglobulins and other immune substances, and affect the immune function in many ways. Vitamins and minerals maintain immunity by stimulating the proliferation of immune cells and promoting the formation of antibodies. Most phytochemicals have antioxidant effects. Microecologics could promote the formation of antibodies, secrete organic acids to destroy the cell wall of pathogenic bacteria, and play the antioxidant role to enhance immunity. This paper reviewed the effects of fatty acids, minerals, vitamins, phytochemical and microecologics on the immune system, in order to provide guidance for balanced diets and immunity improvement.
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