功能食品，也称健康食品或特定保健食品，是近十几年来国内外发展起来的一类新食品。虽然至今其定义有所不同，但多指低热量、低脂肪、低胆固醇、低盐和食品纤维含量高的，具有生理调节功能，并可预防疾病的食品。功能食品一般具有三方面功能：提供营养、增强感觉和调节生理功 Functional foods, also known as health foods or specific health foods, are a new type of food developed at home and abroad in the past decade or so. Although its definition has been different so far, it refers to foods with low calorie, low fat, low cholesterol, low salt, and high dietary fiber content that have physiological functions and can prevent diseases. Functional foods generally have three functions: providing nutrition, enhancing sensation, and regulating physiological functions.