No.
Generally, salt cannot be eaten if it has expired for three years. Salt will lose nutrients during long-term storage. In addition, improper storage of salt may produce harmful substances. For example, if the environment where salt is stored is relatively humid, it may be contaminated if stored for a long time, causing the salt to deteriorate and cause harm to the body after consumption. It is recommended to avoid eating expired food to avoid discomfort symptoms.
1, raw material: bone
Exercise:
Step 1: clean the bones, soak them in clear water for one hour to remove blood, and change