Too many Salts in food
Salty flavor is the basic flavor of most of complex flavors. Salt has been recognized and eaten about 5000years ago. Salt has been used widely, not only the sweet and sour taste but also the sour and spicy. The major ingredient of salt is sodium chloride. Everyday a certain amount of salt can maintain metabolism and adjust the acid base balance between body fluid and cell and promote human growth and development. On the contrary too much salt are harmful. Therefore, the intake of salt everyday should less than six grams.
Eating excessive sugars
Sugar has the function to make dishes sweet, improve nutrition, and make the surface of the finished smooth. The addition of the right amount of sugar during excises can delay the occurring of fatigue. Sugar water can also stimulate stomach and promote digestion. However, excessive intake of sugar could lead to decayed tooth, obesity, diabetes, atherosclerosis, myocardial infarction and even can cause the breast cancer. Diabetes and hepatitis should take as little as possible.
Excessive intake of pepper
Spicy taste is actually a pain of touch. Spicy chili is the representative of the spicy taste. It can stimulate appetite. But too many peppers will lead to the damage to nervous system and cause the gastrointestinal ulcers.
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