1, soup 1.5 ~ 2 hours appropriate

2, experts believe that the soup should not be too long, the time in 1.5 ~ 2 hours appropriate, so that the best to retain the nutrients. First boil over high heat, then boil over low heat. Putting rich ingredients into soup is nutritionally balanced and good for digestion and absorption. However, boiling soup for too long will result in the loss of nutrients such as proteins and fats in the food. Therefore, it is recommended to eat soup and meat together, because the protein in the food can not be "boiled" dissolved in the soup.