In the present sea cucumber market, sea cucumbers are divided into many different types according to their quality, and the best sea cucumber is called Liaoshen. In fact, to put it bluntly, Liaoshen is also a kind of sea cucumber, but it is the best variety. Of course, we should choose the best sea cucumber, so we should know the difference between Liaoshen and ordinary sea cucumber, and then choose Liaoshen to buy and eat.
Sea cucumbers can be divided into two types according to whether there are cone-shaped wart feet on their backs: sea cucumbers and sea cucumbers. Stichopus japonicus, as the species with the highest nutritional value, is distributed at the junction of the Yellow Sea and the Bohai Sea in China. Now Liaoshen is Stichopus japonicus, which involves the coastal areas of Shandong, Liaoning and Hebei provinces and is mainly produced in Weihai, Yantai, Qingdao and Dalian.
Liaoshen, a national geographical indication product, is the best in the top grade of sea cucumber because of the influence of geographical environment, so Liaoshen has the highest nutritional value in sea cucumber.
Now everyone knows the difference between Liaoshen and ordinary sea cucumber, and I believe everyone wants to know what Liaoshen looks like and how to choose it. Next, Bian Xiao will introduce the identification method of Liaoshen to you.
Due to different processing techniques, there are different kinds of Liaoshen:
1. dried liaoshen
Light-dried Liaoshen is carefully processed by traditional techniques such as decontamination, cleaning, baking or sun exposure. No salt and other substances, less loss of nutrients, good nourishing effect, light weight and the most expensive price. Its expansion rate is also very high, and one kilogram of dried Japanese ginseng can expand 15 kilograms or more.
2. Freeze-dried Liaoshen
Freeze-dried Liaoshen is a new kind of fresh Liaoshen. After cleaning, it is quickly frozen to -35℃ to -45℃ in the freeze-drying bin of special equipment, and then the ice is directly sublimated into steam in vacuum, thus achieving the purpose of drying the water in Liaoshen. Freeze-dried Liaoshen has a hollow body cavity, a large head, beautiful appearance and easy identification.
3. Salted dried Liaoshen
Salted dry Liaoshen was added with salt many times in the processing to increase the weight of Liaoshen. This kind of Liaoshen has white surface, high density, much loss of nutrients, little nourishing effect and low price. One kilogram of salted dried Liaoshen can only be about 5-7 kilograms. Consumers should keep their eyes open and identify carefully when buying.
4. Dried ginseng with sugar
Dried sugar Liaoshen is an illegal processor. In the process of working in Liaoning, a lot of sugar was added, which increased the weight and made it dark and bright. By selling, people can hide their eyes and ears. Dry sugar Liaoshen loses a lot of nutrients, which is not easy to preserve and has a low price. It has been forbidden to sell in the market, so consumers should pay attention to the distinction when buying.
Generally speaking, the fresh sea cucumber fished by divers from the sea is 80 to 100 yuan a catty. According to the calculation of 30: 1, the raw material cost of dry sea cucumber is 2,400 to 3,000 yuan a catty, so domestic sea cucumbers below this price are not recommended in Bian Xiao.
Identification method of Liaoshen:
1. Look: the epidermis of adulterated Liaoshen is destroyed and the color is black.
2. Touch: The adulterated Liaoshen skin feels sticky, and the Liaoshen with sugar is easy to bend.
3. Taste: Sugar Liaoshen is sweet and salt Liaoshen is salty.
4. Bubble: The lumen membrane and inner rib of adulterated Liaoshen have been destroyed, and the swelling rate is very fast when it meets water bubbles, and the expansion rate is low.
Sea cucumber, a nourishing product suitable for all ages, has no time and space restrictions, is rich in nutrition and tastes q-elastic.
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