The nutrition of 8 kinds of food tastes sweet, sour, bitter and spicy

　　There are foods with various flavors in the world. These flavors not only enrich our taste bud experience, but also enrich our nutrition. Foods with different flavors have different nutrients that you can’t think of.

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　　acid

　　Naturally sour foods are mainly fruits, and these fresh sour flavors are brought about by the unique organic acids in fruits. The most abundant acids in fruits are citric acid and malic acid. Citric acid is mainly distributed in citrus fruits, strawberries, pineapples, pomegranates and other fruits ； Malic acid is mainly distributed in pome fruits such as apples, and both citric acid and malic acid are found in cherries, apricots, peaches and other fruits. These organic acids play an important role in regulating body fluid balance. Vitamin C also has a light sour taste, and vitamin C is more stable in an acidic environment, so many fruits rich in vitamin C have a sour taste.

　　sweet

　　Sweetness in foods is provided by various types of sugar. These simpler carbohydrates are the cleanest and most direct source of energy. Some amino acids also have sweet taste, such as glycine, alanine, serine, lysine, methionine, hydroxyproline, etc. These amino acids are important components of protein synthesis and play an important role in human growth and development.

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