Earth rock candy can be used as a nourishing medicated diet drink, and many friends who pay attention to health will buy some back. If it is properly preserved, it can be preserved for about 18 months -2 years, but if it is not properly preserved, it may breed bacteria and deteriorate. Generally speaking, it has gone bad and can't be eaten any more. If you want to preserve rock sugar for a long time, you need to pay attention to avoid high temperature and humidity. It can be stored in a cool and ventilated place, or it can be placed in a sealed container and refrigerated or frozen in the refrigerator. Let's take a look at the shelf life and preservation methods of rock candy. First, how long can the earth rock sugar be preserved?

Earth rock candy, also known as old rock candy, is a kind of polycrystalline rock candy. Compared with ordinary white rock candy, earth rock candy has higher nutritional value without decoloration and other processes. Now many friends who pay attention to health will buy some earth rock sugar as nourishing drinks. How long can it last?

Generally speaking, rock candy is made of white sugar. After repeated processing, its structure is more stable, not as easy to deteriorate as sugar, and it can be preserved for a long time. Under proper preservation, rock candy can be preserved for about 18 months -2 years.

Second, how to see if rock sugar has deteriorated?

Although the shelf life of rock candy is long, it is easy to deteriorate due to moisture absorption if it is not properly preserved. Deteriorated rock sugar is easy to breed bacteria, so it is not recommended to continue eating. So how do you judge whether rock sugar has deteriorated?

Bagged rock sugar can look at the shelf life on the packaging bag; If it is bulk rock sugar, you can feel it first to see if it is soft. Soft rock candy generally means bad. In addition, if there is water on the surface of rock sugar, it is sticky and can't be eaten any more.

Third, how to preserve the earth's rock sugar for a long time

Earth rock sugar can be used to make all kinds of nourishing medicated diet drinks, but if it is not properly preserved, it will easily melt and deteriorate, so it cannot be used. So how to preserve the earth's rock sugar?

1, stored in a cool and ventilated place.

Put the rock candy in a clean plastic bag, hang it in a cool and ventilated place, and pay attention to avoid direct sunlight, which can be stored for a long time.

2. Refrigeration in refrigerator

It is a good way to store rock sugar in the refrigerator, but considering that there is a certain amount of water in the refrigerator, we should pay attention to putting rock sugar in a sealed container, cover it and put it in the refrigerator.

Step 3 freeze in the refrigerator

If you want to keep it for a long time, you can put it in a clean fresh-keeping bag and put it in the freezer. Because the shapes of rock candy are separated, there is no need to worry that rock candy will freeze together, but it is generally not recommended to keep it like this.