At present, the state stipulates that the shelf life of bottled honey is 18 months. But bees with high concentration of maturity can also be preserved for many years. But it is better to eat fresh honey, because fresh honey is generally good in color, smell and taste. Honey preserved for a long time, as long as it does not deteriorate, is edible and will not be harmful to the body. Only the nutritional value of aged honey is slightly worse than that of fresh honey.

Honey will go bad if it is kept for a long time, which is manifested in three aspects:

First, the taste becomes sour;

Second, it becomes very thin (normal honey is very sticky, and top-grade sweet-scented osmanthus honey can even be wrapped in clean paper without being packed in barrels or bottles, which shows its stickiness). The deterioration of honey is mainly caused by rising temperature, and the refrigerator can solve this problem.

Thirdly, there are many gray bubbles on honey, which shows that some organic substances in honey decompose, ferment and bubble and become gas overflow. At this time, even though honey has not deteriorated, its nutritional value has been reduced.

Extended data:

Enzymes in honey nutrients, especially amylase, are unstable to heat, and the preservation temperature of honey generally requires that the temperature be kept at 5-65438 00℃. Honey will go bad if the temperature is too high. If it is very hot in summer, especially in June, July and August, food preservation is very important. In order to avoid honey, honey can also be stored in the refrigerator, but honey crystals are not convenient to eat.

Honey is a kind of pure natural nutrition. Eating honey regularly can diminish inflammation, eliminate phlegm, relieve cough, detoxify beauty beauty and prevent constipation. In order to preserve honey well, it is necessary to control the preservation temperature. Too low or too high temperature will have a certain impact on the preservation of honey. In order to avoid nutrient loss caused by high temperature in honey storage environment, honey is stored in a cool and shady environment. Packaged honey should also be stored in a dry, clean, ventilated and tasteless room, and the room temperature should be kept at 5- 10℃. If there is no refrigerator, honey can be sealed and put into water or wooden barrels, which can also be effectively preserved.

Reference: Baidu Encyclopedia-Food Safety Law

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