Spring is warm in bloom, and it is the time when bamboo shoots are competing to break ground. Du Fu, a poet in the Tang Dynasty, wrote the poem "Countless bamboo shoots are all over the forest". Bamboo shoots are thick, white, tender, fragrant and delicious. There are various methods, such as braised bamboo shoots in oil, fried meat with bamboo shoots, preserved mushrooms, braised bamboo shoots with mushrooms, etc. Known as "the first vegetarian dish", it is deeply loved by consumers. In order to help consumers choose and eat bamboo shoots scientifically, the following consumption tips are made.
What are bamboo shoots?
Bamboo shoots are swollen buds or differentiated stems formed by germination and differentiation of buds on bamboo whips or stem bases. It is rich in dietary fiber, protein, various amino acids, vitamins and minerals. Bamboo shoots are widely distributed in China, especially in Zhejiang, Fujian, Jiangxi, Hunan and other places. Bamboo shoots can be found all year round. According to the growing season, it can be divided into three categories: bamboo shoots, whipping bamboo shoots and winter bamboo shoots. Among them, spring bamboo shoots and winter bamboo shoots have the best taste, whip bamboo shoots have a slightly sweet taste, and they grow vigorously in summer and autumn.
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Selection of bamboo shoots
shape
Look at the shape Choose fresh bamboo shoots with moderate size, compact and full appearance, large base diameter, small tail and no rot and deterioration.
shell
Second, look at the bamboo shell. Bamboo shoots have complete shells, golden yellow or slightly pink, natural and bright colors, and fresh and tender bamboo shoots.
festival
Third, watch the bamboo shoot festival. The closer the distance between bamboo shoots, the more tender the bamboo shoots are.
root
Fourth, look at the roots of bamboo shoots. Bamboo shoots with white beads around the roots are fresh and tender, while those with dark red or dark purple moles are older.
rush
Fifth, look at the bamboo core. The whiter the color, the more brittle and tender it is, followed by yellow and green.
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Edible bamboo shoots
Pretreatment before eating.
Fresh bamboo shoots contain more oxalic acid and tannic acid, so eating them directly will have a dull taste. It is suggested to blanch with hot water before cooking, and then soak with clear water, which can greatly reduce the content of oxalic acid and tannic acid in bamboo shoots and improve the taste.
Special people need to pay attention
Bamboo shoots contain more crude fiber, which can accelerate gastrointestinal peristalsis. It is recommended that people with gastrointestinal diseases eat less. Patients with stroke and cardiovascular diseases should eat as little as possible during taking medicine; Patients with liver cirrhosis should try not to eat; People who are allergic to eating bamboo shoots should fast.
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Storage of bamboo shoots
Fresh bamboo shoots are easy to lignify, so consumers are advised to eat them as soon as possible after purchase. If you need short-term storage, you can use the following methods.
Bamboo shoots without shells
Sealed storage method
Suitable for storing a small amount of bamboo shoots. Take a container or plastic film bag, put intact bamboo shoots into the container or bag, seal the container mouth or tie the bag mouth tightly, reduce the evaporation of bamboo shoots, inhibit the breathing of bamboo shoots, and achieve the effect of preservation.
Buried storage
Suitable for storing a large number of bamboo shoots. Spread a layer of wet sand on the bottom of the container, then put the bamboo shoots vertically upwards, and then cover them with wet sand until there are no bamboo shoots. Seal the container and put it in a cool and ventilated place.
Shelled bamboo shoots
Saline bubble
Put bamboo shoots in a container, put a layer of bamboo shoots, spread a layer of salt or coarse salt, add a lot of water after stacking, press bamboo shoots with heavy objects to prevent them from emerging from the water, and seal them in a cool and ventilated place.
Clear water boiling
Boil the cut bamboo shoots with clear water for half an hour, then pick them up and rinse them with clear water, put them into fresh-keeping bags, seal them and put them in the refrigerator for about 4 minutes. You can also dry the bamboo shoots after the above treatment and collect them, and soak them in clear water when eating.
Before eating, it is necessary to determine whether the stored bamboo shoots have deteriorated. If it's broken, don't eat it any more.
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Tips for bamboo shoot products
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First, we should buy regular bamboo shoot products in regular supermarkets and other places. Pay attention to check whether the package is in good condition and ensure that there is no bag expansion and air leakage. Pay attention to the labeling information such as the food name on the label. Don't blindly pursue the color of the product. If you find a pungent smell, choose carefully.
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Second, you can refer to the way bamboo shoots are eaten on the product label. For example, canned bamboo shoots with clear water can be rinsed with clear water, cut into pieces, and then cooked by frying, boiling and stewing.
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Third, bamboo shoot products should be stored according to the storage conditions marked on the package and eaten within the shelf life. In addition, sulfur dioxide can be used in the production of bamboo shoot products to keep fresh and bleach, but the sulfur dioxide residues in dried bamboo shoots, bamboo shoots and canned bamboo shoots should meet the relevant requirements of the national food safety standard "Standards for the Use of Food Additives" (GB 2760-20 14).
professional writer
Gao Haiyan is a researcher at Zhejiang Academy of Agricultural Sciences.
Chen Fang Professor, School of Food Science and Nutritional Engineering, China Agricultural University
Director and researcher of the standard third room of Bo National Food Safety Risk Assessment Center.
Niu Ben, Assistant Research Fellow, Zhejiang Academy of Agricultural Sciences
Jian Huang, researcher of Institute of Nutrition and Health, China Center for Disease Control and Prevention.