Although the shelf life of frozen hooves is long in theory, hooves bought from supermarkets are easy to be contaminated by bacteria in the sales process, so it is difficult to ensure the freshness of raw materials. In addition, frequent door opening and closing and sudden power failure of household refrigerators will lead to temperature fluctuation of refrigerators. Therefore, pig's trotters bought from supermarkets should be eaten within one month after freezing.
Matters needing attention and main points of Niu Jiao:
Cattle hoof is rich in collagen, with lower fat content and no cholesterol. Niuti soup is a kind of nutritious food. Niuti soup is sweet and cool. Has the effects of clearing away heat, stopping bleeding, inducing diuresis and reducing swelling. Niuti soup is rich in collagen.
Eating cow's hoof often makes the skin more elastic and tough, and delays skin aging. Toe soup has the effect of strengthening muscles and bones, and has a good dietotherapy effect on those with weak waist and knees and thin body. Niuti decoction can supplement calcium, contribute to the growth and development of teenagers, and slow down the rate of osteoporosis in middle-aged and elderly women.
Reference to the above content: Baidu Encyclopedia-Niu