Honey that has been left for more than 3 years can still be eaten How to tell if honey has gone bad

First of all, if you buy pure honey, it is very difficult to spoil without any artificial addition and processing。If the sealing conditions are good and stored in a proper environment, there will be almost no deterioration, and it can be continued to be eaten after about three years of storage.

However, if the storage is unfavorable, such as being left in a humid environment for a long time, after prolonged sun exposure, or not sealed properly. In this case,Even pure honey can spoil.

Tips for judging if honey has gone bad

Normally, after honey has deteriorated, it tends to develop a strong odor that smells like fermented vinegar or alcohol. The reason for this is that honey contains certain yeasts that break down the sugars in the honey, causing the original floral flavor to disappear, and then producing a sour or alcoholic taste, which indicates that the honey has gone bad.

In addition to using the smell to distinguish honey, you can also observe the texture of honey. If the honey has gone bad, it tends to stop thickening and become a little thinner. In addition, there may be some flocculent matter attached to the surface, becoming cloudy and unclear, foamy substances, swollen bottles, and moldy surfaces, once these changes occur, it is not suitable for further consumption.

If it is pure honey and has not deteriorated, it can generally be eaten.

Honey generally has a shelf life of 18 months or 2 years, but if it is well preserved, honey usually lasts well beyond its shelf life. However, the taste and composition of honey that has been left out for too long have been lost.

1. Honey can be stored for about 2 years, and if it is pure honey, the shelf life will be longer; If honey is adulterated with other substances, the shelf life will be shortened.

2. Honey is a natural sweet substance that bees collect from the flowers of plants and are fully brewed in the hive. The smell is fragrant and rich, and the taste is pure and sweet. At low temperatures, crystallization is produced, and it is glucose that produces crystals, and fructose is the part that does not crystallize.

Honey has different colors depending on the type of nectar source plant, and it is generally divided into 7 grades. It is often a light-colored honey with a better taste and smell. When storing honey, it should be placed in a low temperature and dark place, and it is best to put it in the refrigerator for low temperature storage, not direct sunlight.

The container for honey should be made of ceramic, glass bottles, etc., and the container should be tightly covered to prevent air leakage and reduce the contact between honey and air.

Generally, honey will deteriorate after long-term storage, and spoiled honey is generally fermented and bubbling, the taste is more sour, and the honey is getting thinner and thinner. If honey is in such a situation, it is generally not allowed to be eaten again, it will cause some harm to the body, so you must pay attention to it when you eat it.

In fact, no matter how long the real pure natural honey is stored, it will not deteriorate, because natural honey itself is a natural substance with particularly strong rot resistance, it can be stored for many years without deterioration, but when storing, honey should be kept away from metal and sunlight, and should be stored in a cool and ventilated environment, so that it can be stored for a long time without deterioration.

At present, the honey sold on the market is not very pure, some merchants will choose to add water to the honey in order to pursue economic efficiency and leniency, the nutrient content is very low and it can only be sold after high temperature concentration, and some of them are not fully concentrated, so these honeys are easy to deteriorate, and the flora in the spoiled honey is more complex, so it is not recommended that you continue to eat.

Honey will also deteriorate when stored for a long time, usually the shelf life of honey is 18-24 months, honey beyond this time, eat with caution.

The reason why honey needs a "shelf life" is that although the hypertonic environment of honey makes it difficult for spoilage microorganisms to survive, not all microorganisms are afraid of it, and there is a class of microorganisms called "osmophilic yeast" that can survive in bee blind honey. It is also an important indicator of the current national standard for honey.

If the temperature is right, osmophilic yeast can reproduce slowly, causing honey to ferment, showing phenomena such as foaming and bottle cap swelling. Fermented honey will produce a slight sour taste and wine taste, which does not affect the safety of eating, but affects the quality and taste of honey. Zhong Kai said.

Therefore, despite the fact that honey is a shelf-stable food, honey still ferments due to the presence of osmophilic yeast, even after being concentrated at low temperatures. Also taking into account the influence of factors such as warehousing, freight, storage conditions and ** chain, manufacturers usually mark a shelf life of 18-24 months to ensure the safety and eating quality of the product during the period.

Honey generally has a shelf life of 18 months to 2 years, but if honey is stored properly, the actual shelf life is much longer than that.

The deterioration of honey is often associated with improper preservation. When the moisture content in honey is too high, there will be a suitable environment for yeast to live, and then the yeast will multiply in large quantities, and then decompose the glucose and fructose in the honey to produce a certain amount of carbon dioxide and alcohol, and the honey will deteriorate.

And honey has strong water absorption, can absorb moisture in the air, so when storing honey, we must pay attention to sealing, it is best to place it in a ventilated, dry and simple starvation, cool ridge, no direct sunlight place preservation.

The shelf life of honey is generally around 18-24 months without spoiling. The honey sold on the market is marked with the expiration date, and the honey sold on the market has undergone some processing, and the shelf life of these honeys is relatively short, generally around 18 24 months, and the production date and shelf life of honey should be carefully observed before purchasing. Please note that if the honey is not properly stored after the seal is unsealed, the honey will also have a shelf life shorter than the shelf life stated on the product.

Honey making processBy the 19th century, the method of obtaining honey was as simple as removing the hive plate from the hive. In 1853, the Americans described the technology of raising bees and obtaining honey in captivity in their book "The Hiveand the Honeybee", and invented the nest box with movable nest plates and the centrifuge used to separate honey, establishing the modern beekeeping industry. Until now, the basic method of beekeeping has been a continuation method.

An active hive is a tool for carrying out beekeeping, in a cube box, and in parallel 8 10 thick plates called a nest frame. Like a naturally formed hive, the bee frame is arranged in a vertical parallel manner, with the bee frame as the basis for the formation of the hive, a rectangular hollow wooden frame with a 1:2 aspect ratio, and a thick paper-like platform made of beeswax and paraffin wax on one side of the wall, which is engraved with a hexagonal shape as the basis for the bees to make the hive.

Honey on the market usually has a shelf life of 18 months or 2 years.

But honey does not deteriorate, but under good preservation conditions, mature honey has a longer shelf life. Honey contains acidic substances and high concentration of sugars, which can inhibit the growth and reproduction of a variety of bacteria, so as to increase the preservation time to a certain extent, and the water content of mature honey is relatively low, generally less than 20%, so it is not easy to deteriorate.