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Dried sea cucumber (sea cucumber) quality identification Dried sea cucumber is rich in nutrition, with high protein content, containing 18 kinds of amino acids necessary for the human body and sea cucumber polysaccharide substances that are not contained in other foods. Sea cucumber is a mollusc marine animal, and it is not easy to store fresh products for a long time, so it is usually processed into two forms: dried and salted as a commodity. At present, the quality and quality of dried sea cucumbers sold in the market are quite different.
Inferior products not only destroy their own nutritional value, but also blur the vision of consumers. Here are a few ways to identify them: Observation:
The dried sea cucumber processed according to the process specified in the dried sea cucumber standard is black-gray or gray, the body shape is complete and upright, the individual is uniform, the size is basically the same, strong and shiny, the thorn tip is straight and complete, the mouth calcareous is little or less, the incision is small and clear and neat, and the ginseng feet under the abdomen are dense and clear; The weight of a single unit varies from about 7 grams to more than 15 grams according to the specifications; There is no salt frost on the body surface, less wood charcoal ash or grass ash attached, and no impurities and peculiar smell are of the highest quality. In contrast, dried sea cucumbers are uneven in size, irregular in shape, coarse and dark in color, short in thorns, blunt or incomplete in the tips of the spines, and vague and unclear feet under the abdomen. The end incision is irregular, unclear, and has obvious calcareous; The body surface is inferiorly characterized by salt frost or salt crystals and impurities. Hand Feel:
The dried sea cucumber is hard, not easy to break, the portion is light, it is completely dry, there is a charcoal feeling when beaten, and it is elastic and echoes when it is thrown to the ground, which is the top grade. Inferior dried sea cucumber is easy to break, and there are salt crystals or impurities falling off, there is a heavy feeling in the hand, there is no elasticity and echo when knocked or thrown, and the salt content is more than 60%. Dissection method:
The dried sea cucumber is cut horizontally, its body is clean and salt-free, no impurities such as internal organs, sediment, etc., the wall thickness of the section is uniform, more than 3-5mm, the meat of the section is dark brown, and the luster is bright for the top grade. Dried sea cucumbers that are not processed according to the requirements of the specified processing technology or have been repeatedly boiled and salted have obvious salt crystals or impurities in the body, and the gum layer is thin and uneven in thickness, or even broken, forming holes, and aging of tissue form is inferior products.
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Dried sea cucumber: the whiter one is directly dried, and it is whitish because of the salt; The darker ones are processed. You can gently push the thorns of the sea cucumber from the root with your hands, and if it is easy to push them down, it means that the thorns are made manually.
Ready-to-eat sea cucumber: Press it and be elastic. If you can break the ginseng body or the sea cucumber thorn is soft, don't buy it.
The more rows of sea cucumber thorns, the better, generally use 4 rows of thorns, and good sea cucumber thorns are more sharp.
This is the easier way to do it.
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Do you want dried ginseng or do you want to eat it ready-to-eat.
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With the improvement of people's living standards, people in the interior are now also pursuing seafood products. Among them, the more common seafood products are crabs, fish, clams, conch, abalone, hesitation, sea cucumbers, etc. Among them, sea cucumber is not only a delicious appetizer, but also a nourishing health product.
1. Color - A good sea cucumber should be gray-brown or black-brown, with a shiny surface, and the intestines should be gray and white. Inferior sea cucumbers, on the other hand, are dark in color, and their intestines turn red or black.
2. Taste - high-quality dried sea cucumbers have a special sea cucumber taste, while low-quality sea cucumbers have no taste because they are covered by additives.
3. Sound - high-quality dried sea cucumbers have a crisp sound when tapped, while low-quality sea cucumbers have a dull sound after tapping.
4. Origin - The quality of ginseng is closely related to the place of origin, and the sea area with high latitude and low water temperature has a longer growth cycle and higher effective substances. The best sea cucumbers in China are all at the 39th parallel north latitude of Zhaoranqing, because the sea area in this area has a perennial water temperature of around 10 degrees.
5. Taste - the taste of high-quality dried sea cucumber is delicate and elastic after soaking.
6. Soaking - high-quality dried sea cucumber will be soft after soaking for at least 24 hours, and the salt, dry and sugar dried sea cucumber usually softens when it is disturbed in 12 small segments, and the light dried sea cucumber can be quickly identified through this characteristic.
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1.Waisheng Hu Guan:
The dried sea cucumber processed according to the standard process of dried sea cucumber has a neat appearance, its color is black-gray or gray, and some are yellow-brown, and the color of the body surface is dark and light. The body shape is complete and upright, the individual is uniform, the size is basically the same, strong and shiny, the spikes are straight and complete, the mouth is little or less limestone, the incision is small and clear and neat, and the ginseng feet under the abdomen are dense and clear.
2.Feel:
Dried sea cucumber individual hard, not easy to break, light weight, put the dried sea cucumber in the palm of the hand, should feel its light, no feeling of falling hands, percussion has a sense of charcoal, elastic to the ground, there is an echo, for the top grade. If there is a feeling of heaviness in the hand, and the knock or throw is inelastic and echoy, it should be that the dryness of the sea cucumber is not enough or there are additives inside.
3.Smell:
The taste of dried sea cucumber should be pure, and good sea cucumber smells delicious, without other peculiar smells. Although this step is a bit frivolous, because most people may not know what the pure taste of sea cucumber should be, but the more times it takes, everyone will make a basic judgment for themselves.
4.Hair growth rate:
Through the above 3 steps can only be regarded as a preliminary screening of dried sea cucumbers, if you want to have an accurate judgment, we also need to buy a small amount of sea cucumbers back to soak again: see the growth rate! Don't be too troublesome, this step can't be saved.
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Sea cucumber is an expensive natural supplement, and because it is more expensive, there is a big difference between sea cucumbers on the market. Let's learn how to choose sea cucumbers.
First, the appearance of sea cucumbers.
Mainly look at the thorns of sea cucumbers, the thorns on the body of good sea cucumbers are relatively thick, and the key words are: thick, short, strong! If you don't have thick spines, it's likely that you're not old enough to grow for more than 1 year.
Second, the taste of sea cucumbers.
Smelling a single sea cucumber, if there is a lonely smell, or a fishy question, it is abnormal; Purebred sea cucumbers have a delicious taste, and the effect of smelling more than two kinds of sea cucumbers is more obvious.
3. The origin of sea cucumbers.
The quality of this sea cucumber varies depending on the origin; In addition to the place of origin, there is also the age of the sea cucumber, but the general salesperson tells you that it is more than three or four years, and it is obviously suspected of cheating.
Fourth, the problem of hand feeling.
Pinch dried sea cucumber directly by hand, the elasticity is better than the elasticity, the quality is better, and the elasticity of the dried sea cucumber directly determines the "elasticity" of the soaked sea cucumber. Then there is the light feel is better than the heavy feel.
5. Color. The whitish sea cucumber is generally pickled, and a lot of nutrients are lost, so try to choose a light black or dark brown with uneven surface color, and if the color is too uniform, it is also dyed.
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The skills of selecting sea cucumbers include: looking at the color, looking at the feel, smelling the taste, looking at the suction cup, and looking at the body.
1. Look at the color:
Good quality dried sea cucumbers are black-gray or gray in appearance, complete in size, uniform in size, shiny, and have no obvious calcareous or less calcareous mouth area. Conversely, a bad sea cucumber may be uneven in size and incomplete in shape.
2. Look at the feel:
The dried sea cucumber with good quality feels relatively light to the touch, has a hard texture, is not easy to be broken, and has a charcoal feeling when placed on the table, and is elastic to the touch. The poor dried sea cucumber has a heavier feel, insufficient dryness, and is easy to be broken, and there is a calcareous drop when knocked.
3. Smell the taste:
The better quality sea cucumber smells of seafood and has no other obvious peculiar smell; And the poorer quality sea cucumber has a strong fishy smell and can even smell rotten.
4. Look at the suction cup:
The living environment makes the number of wild sea cucumber suckers relatively large, usually short, thick and powerful. In captivity, sea cucumbers have fewer suckers and look thinner and longer.
5. Look at the body:
Wild sea cucumbers grow in the deep sea and have no fixed bait, at least they have to grow.
More than three or five years, plus sunlight, the color of sea cucumbers will turn dark gray. And captive-bred sea cucumbers grow very quickly, mostly.
It can grow in one or two years, and the color is generally dark yellow.
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Dear, when choosing sea cucumbers, you can consider the following aspects:1Appearance:
First of all, you can observe the appearance of the sea cucumber. High-quality sea cucumbers usually have an intact appearance and a smooth surface with no breakage or cracks. The color should be uniform and there should be no noticeable discoloration or spots.
2.Elasticity: You can gently press the sea cucumber to observe its elasticity.
Fresh sea cucumbers should have some elasticity and be able to quickly return to their original shape. If the sea cucumber feels floppy or inelastic, it may be of poor quality or has been stored for a longer time. 3.
Smell: Smelling sea cucumbers is also an important criterion. Fresh sea cucumbers should have no odor and have a faint marine scent.
If the sea cucumber has a pungent or putrid smell, it may be of poor quality or has gone bad. 4.Weight:
Comparing the weight of different sea cucumbers is also a reference indicator. Generally speaking, heavier sea cucumbers of the same size may have higher water content and better quality. 5.
Material: The material of sea cucumber is also an important selection factor. High-quality sea cucumbers should have a certain toughness and are not easy to break.
Finally, you can learn about sea cucumbers. In general, wild sea cucumbers are of good quality, while farmed sea cucumbers may be of varying quality. If you can choose a reputable business or brand, you can also increase the opportunity to buy high-quality sea cucumbers.
To sum up, when choosing a sea cucumber, you can comprehensively consider factors such as appearance, elasticity, smell, weight, material and ** to ensure that you buy high-quality sea cucumber.
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