Matters needing attention in online shopping for hairy crabs

Lead: Because hairy crabs are fresh and delicious and have good nutritional value, everyone especially likes to eat hairy crabs. The most famous hairy crab is Yangcheng Lake hairy crab. Now more than 60% crab buyers buy Yangcheng Lake hairy crabs online through the Internet. What should I pay attention to online shopping for hairy crabs? How to keep hairy crabs fresh online? Let me tell you something.

1 How to store online hairy crabs? It is very important to tie the hairy crabs well and put them in the basin. Be sure to put it in a cool place to avoid the hairy crabs from being killed by heat. There is no water in the basin, and the top of the basin is covered with wet grass or soft leaves. This can not only ensure that the living environment of hairy crabs is dry and wet, but also allow hairy crabs to get enough oxygen.

2. Put the bound hairy crabs into a basin and store them with a little water, but remember that water can't cover the crab's mouth and let it breathe while getting moisture. If the water drowns the hairy crabs' mouths, they will die of lack of oxygen.

3, can be placed in the freezer of the refrigerator, not in the freezer, the temperature is controlled at about 3-6 degrees Celsius, and the wrung wet towel is covered on it.

With the above three methods, hairy crabs can survive for 3-5 days, but they should be eaten as soon as possible.

Things you must pay attention to when buying hairy crabs online 1. First, we must find an online mall with high credibility. Secondly, it must be judged according to sales volume and evaluation. In the era when e-commerce is very hot, online goods are also mixed. Many unscrupulous merchants will sell some fake or dead hairy crabs under the guise of Yangcheng Lake hairy crabs.

2. Authentic Yangcheng Lake hairy crabs have special anti-counterfeiting crab buckles from Suzhou Quality Supervision Bureau. The front of the crab buckle is marked with the geographical indication of national origin protection, and the back is clearly printed with? Brand name? , you can check the authenticity of information by phone, SMS and website. And the store must be authorized by the trade association.

3. When buying hairy crabs online, you should consult after-sales related questions and add official WeChat or email address. At the same time, it is agreed that when receiving hairy crabs, if the hairy crabs break their legs or die, they will only seek compensation from the merchants to prevent the merchants and couriers from shirking each other. Increase the official WeChat or email address, so that the buyer can send the photos to the merchants as soon as possible after receiving the damage and death of the hairy crabs, so as to avoid the disconnection of the merchant's contact telephone number and delay the feedback time, and the merchants refuse to pay compensation on the grounds that the feedback period is exceeded.

4. There are two ways to tell whether a hairy crab is dead or not when you buy it online. Look at the hairy crab's eyes first, and gently touch the hairy crab's eyes with your hands. Those who react are alive, and those who don't respond are dead crabs. The second is to tie the hairy crabs and put them into the water. If there are bubbles, it means that it is a live crab, and the dead crab has no reaction.

5. Yangcheng Lake hairy crabs have the characteristics of green back, white belly and yellow hair. Green back is a major feature of Yangcheng Lake hairy crabs. It is neither yellow-gray like Chaohu crab in Anhui nor black-gray like Chongming crab, but blue-gray, so it is also called? Crab shell green? . The white color of the belly of ordinary river (lake) crabs is mostly beige and yellow-white, which all appear muddy and dull; But the white belly of Yangcheng Lake hairy crabs is green and shiny, giving people a feeling of glittering and translucent white. Yangcheng Lake hairy crabs have golden hairs on two paws and beards on eight legs. The male crab is 3-4cm long, the female crab is slightly shorter, and the common crab is shorter. The crab hair in other lake areas is earthy and unclean.

6. Hairy crabs that have just died or are already dead cannot be eaten. This is because when the crab is dying or dying, the oxygen acid in the crab will decompose to produce histamine. Histamine is a toxic substance. With the extension of death time, more and more histamine is accumulated in crabs, and more and more toxic gases are produced. Even if the crab is cooked, this toxin is not easy to be destroyed. Excessive ammonia nitrogen must be excreted from the kidneys, so eating dead hairy crabs is very bad for the kidneys. People who eat dead crabs may have symptoms such as vomiting, abdominal pain and diarrhea.

7. In the long-term transportation process, hairy crabs will spit out the water in their stomachs, commonly known as spitting bubbles. There will be about 5%~7% weightlessness in the hands of buyers, and the weightlessness of male crabs is more severe than that of female crabs, because there is a lot of hair on the big claws of male crabs, and the water will be dried out after drying, so the weight will be reduced.