The shelf life of shrimp paste is one year. If you store it in a vat for a few years it is fine.
Shrimp paste should be packed in a jar, can also be packed in wooden barrels. It must be tightly sealed and protected from rain and raw water. Store in a cool, ventilated place. Open tank pickup and retail, should be covered in a timely manner to prevent flies crawling, pollution, maggots, insects, mold and deterioration. If you find a bubble phenomenon has not yet deteriorated, add a little white wine in a timely manner, sealed and preserved. If the bubble has been spoiled and odor, can not be used as food. Some areas like raw food, pay more attention to prevent contamination.
Expanded
Shrimp paste is rich in protein, calcium, iron, selenium, vitamin A and other nutrients, shrimp paste, there is also a very important nutrients - astaxanthin, astaxanthin is the strongest antioxidant, known as the super-vitamin e, shrimp paste, the more red that astaxanthin more. Moderate consumption is quite beneficial to the body.
Shrimp paste can be eaten in many ways, can be used as a variety of cooking and hot pot seasoning, but also can be used to make a lot of unique and delicious small dishes, such as egg steamed shrimp paste, shrimp paste stewed tofu, chili pepper steamed shrimp paste and so on. The easiest to make is egg shrimp paste cake. Heat the oil and pour into the shrimp paste, add chopped green onion, garlic, dried red pepper segments, a little yellow wine and vinegar, stir-fried and poured into the beaten eggs into the cake can be, if it is eaten in the spring, add a little toon flavor will be better.
Baidu Encyclopedia - Shrimp Sauce