The methods of long-term preservation and freshness of parsnip are: refrigeration, vacuum preservation, freezing preservation.

1, refrigerated

Fresh toon sprouts can be put into the refrigerator for refrigeration if you can't finish them. But the refrigerated area, then a long time will absorb the moisture of the dish, so it is recommended that you use plastic wrap to wrap it up, or use a plastic bag to put it up, and then put it into the refrigerator to freeze, usually about a week is not a problem, eat when and fresh taste the same.

But it is worth noting that, before refrigeration, you need to fresh toon among some of the leaves that have dried out or rotted to remove, so as not to affect the quality of other vegetables.

2, vacuum preservation

Vacuum preservation is also a better method of preservation, there is no requirement for the storage environment. Vacuum preservation is mainly with food vacuum bag, the toon bag by bag into the bag, and then sealed bag mouth to extract air, room temperature or into the refrigerator can be. Or some need to long-distance transportation confined environment, is also possible to use the vacuum preservation method to save the toon buds.

3, frozen preservation

The frozen method is to blanch the toon buds, and then after drying it in the sun, put it directly into a plastic bag, or use plastic wrap wrapped up, and then put it into the refrigerator for freezing. When you eat it, just take out a small portion, it is more convenient, and the taste is very good.

The main varieties of toon:

Picking toonThere are many varieties of toon, and according to the color of the first buds and cotyledons of the toon, it can basically be divided into two major categories: purple toon and green toon. The purple toon has black oil toon, red oil toon, Jiaozuo red toon, Ximou purple toon and other varieties. The green toon is green oil toon, yellow umbrella and other varieties.

Toon varieties are different, their features and characteristics are also different. Purple toon is generally more open crown, gray-brown bark, buds purple-brown, the first young shoots purple-red, glossy, fragrant, less fiber, containing more oil. Green toon, crown upright, bark green or green-brown, slightly lighter flavor, containing less oil.