How to prevent lard from deteriorating
Refined lard, stored for a long time, often has an unpleasant smell due to careless storage, mainly due to the oxidation and rancidity of oil due to the effects of light, heat, water and microorganisms. This kind of lard not only smells bad, but it will also be poisoned when eaten for a long time. Here are several ways to prevent lard from deteriorating:
1. Try to boil the oil as old as possible, and remove the oil residue before it can be stored.
two。 The oil container should be clean, it is best to store it with a dark jar or dark glass bottle, cover and seal, put it in a dark and low temperature place to avoid high temperature and light as far as possible.
3. After the lard is refined, add some sugar before cooling, generally add 100 grams of sugar per kilogram of lard, stir and seal evenly, so that the lard will not deteriorate for a long time and maintain its unique flavor.
4. Put a few slices of radish in the container of lard, lard is not easy to deteriorate.
5. In oil refining, put some natural antioxidants such as pepper, cloves, cinnamon and ginger together, which can not only prevent deterioration, but also increase the flavor of the oil.
6. Putting vitamin E into the cooling oil (usually 2 tablets per kilogram) can keep pig and sheep oil unchanged for one year, and can effectively inhibit the production of toxic nitrite amine.
7. The refined lard can be stored in the refrigerator for more than 2 months at 0 ℃ and 10 months at-2 ℃ degrees.
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New Therapy for Porcine Necrotizing Dermatitis
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