Double Ninth Festival
"Autumn wind blows, and crab feet itch." Around the Double Ninth Festival, it is the time when crab ointment is full of yellow and fat, so there is still a custom of eating crabs on the Double Ninth Festival. However, crab meat is cold in nature. How can you taste crabs so that you can enjoy both deliciousness and safety and health?
benefits of eating crab
Whether river crab or sea crab , they are high-protein foods, rich in trace elements such as calcium phosphorus iron , and are rich in vitamin A and vitamin B2, and the fat of crabs contains essential fatty acids that are beneficial to human health, such as linoleic acid, linolenic acid and arachidonic acid . Compared with sea crab meat, river crab meat contains slightly higher protein , and has low fat and cholesterol content.
The most important thing about crabs is fresh and lively
Whether sea crabs or river crabs, fresh and lively is the first priority. Dead crabs not only reproduce a large number of bacteria, but also decompose a harmful substance called histamine . The longer the death period, the more histamine is produced. Generally speaking, live crabs will foam when putting them in the water.
How to choose crabs
"Green back, white belly, golden retriever, red mouth" is the formula for picking hairy crabs. Good hairy crabs have blue mud color, white abdomen, no ink spots, crab legs should have golden retrievers, and crab claws are golden.
If you are choosing sea crabs such as , , there are three ways to choose: one is to look at the crab belly pattern. The deeper the pattern, the thicker the butt and navel, the more plump it is; the second is to look at the crab shell, the darker the color, the more plump it is; the third is to lift the crab up and observe it in front of the light. The edge of the crab shell is not transparent, and the smaller the gap between the crab body, the more plump the crab.
Crabs should be cooked
"Crab meat is light in flavors", there are many ways to eat crabs, but whether it is steamed, boiled or stir-fried, it must be "cooked". The time for heating crabs at high temperature is 20 to 30 minutes. For crabs such as raw pickled crabs and drunk crabs, which are incompletely sterilized, it is recommended to eat less or not. Eating raw crabs is likely to produce parahemolytic Vibrio infection, causing intestinal congestion and edema, and even infection with pulmonary flukes, causing symptoms such as cerebral palsy.
Crab eating is a priority
Crab eating is also a priority. First remove the navel, then lift the cover, then eat the weight (body), and finally eat eight feet and double claws. Crab is salty and has a cold nature; while ginger is warm in nature, and has the effects of warming the middle and dispelling cold and detoxifying; vinegar can be used to taste and kill bacteria, so when eating crabs, you can dip it in ginger juice and aged vinegar .
Taboos for eating crabs
1. Crabs cannot be eaten with raw persimmons or tea that have not deaerated, because these two foods are rich in tannin . After encountering the protein of crabs, it will form a complex that is difficult to digest, causing "persimmon syndrome", which leads to vomiting and diarrhea.
2. Although crabs are good, they are not suitable for everyone to eat. Crabs contain high purine, high cholesterol, , and patients with cardiovascular and cerebrovascular diseases , gout, coronary heart disease , and hypertension should not be eaten.
3. People with high blood lipids and high uric acid should mainly taste crabs and should not eat too much.
4. Crabs are cold in nature, stomach cold . People with cold and diarrhea should not eat crabs; pregnant women should eat less crabs.
5. Autumn is the peak period of allergies. People with a history of seafood or crab allergies are not recommended to eat crabs; elderly people and children with weak resistance should eat less crabs.
Source: People's Daily
Edited by: Fang Xue
Reviewed by: Gao Shuqing
Reviewed by: Gao Shuqing
