Introduction: When buying lettuce, no matter the thickness or length, if you have these 3 characteristics, don't buy it even if it is cheap. Buy lettuce, don't care about the price of the variety, see these 3 kinds to pay attention to, for the sake of the family white do not want
In winter, there are many "bamboo shoots", there are high shoots, winter shoots, asparagus, and lettuce, lettuce is also known as lettuce, white lettuce, lettuce, thousand golden vegetables, native to the Mediterranean coast and western Asia, and later introduced to China, the stem of the lettuce stem is fattened, eating its fleshy, because the shape looks like a bamboo shoot, so it is called lettuce, because the edible parts can be divided into lettuce with leaves and lettuce with the stem, of which the stem of the leaf lettuce grows short and thick, the taste is particularly hard, can not eat its stem, its leaf fat can be directly raw.
The most popular vegetables in winter are rhizome vegetables, the most significant feature of this type of vegetable is rich in nutrition, crisp and tender taste, and low pesticide residues, eat more assured, there is a rhizome vegetable in addition to containing vitamins, but also contains considerable inorganic salt, we all know that the intake of inorganic salt is our only magic weapon to resist the cold in winter, compared to other ways to come more simple and affordable.
Today Yue Yue to share with you is the selection of lettuce tips, with the development of greenhouse planting technology, the seasonality and regionality of ingredients are becoming more and more blurred, but it is still the best seasonal dish, and the ingredients grown in accordance with the festival will be more nutritious, such as lettuce, the texture of lettuce in late autumn and early winter is obviously more tender than the lettuce in other seasons.
Lettuce is quite rich in nutrition, it contains a lot of protein, fat, sugar, vitamin A, B vitamins, vitamin C, calcium, phosphorus, iron and other components, but also contains a lot of carotene, in addition to its iodine and fluorine is not low. Fluoride can be involved in the growth of teeth and bones, helping to strengthen teeth and bones. Suitable for children and adolescents in the growth period, each 100 grams of lettuce contains 23 mg of calcium, higher than pork, is the water content of lettuce is quite high, there is a large amount of dietary fiber, calories only 14 kcal, the advantages are so much, naturally loved by people. Lettuce is cool, and because it contains lettuce, the first bite tastes slightly bitter, and then eats back sweet, and the taste is sweeter than radish.
Lettuce is an extremely versatile ingredient that can be stir-fried, braised, stewed, pickled, and can also be cold mixed, no matter what kind of eating method is used, you need to pick good quality lettuce. Every year around December, the market is a large number of lettuce on the market, almost every vegetable stall in the south is almost placed with lettuce, often visit the market friends are not difficult to find, some lettuce grow particularly thick, some lettuce grow very fine, so how to choose to buy good lettuce?
When buying lettuce, no matter how thick or thin, if you find the following three characteristics, do not buy even if it is cheap.
1. The hard skin at the root knife incision of the lettuce is seriously aging, there are many crude fibers, this lettuce is growing for too long, its epidermis has hardened, the flesh has yellow coarse fibers in the middle, the taste is bitter, and it is very likely to be "bran heart", yes, not only the white radish will be chaff heart, the lettuce also has the case of bran heart.
2. "Big belly arhat" shaped lettuce, this kind of lettuce in the growth process of nutrient supply imbalance, a certain period of overweighting, led to thick rhizomes, the flesh inside cracked, the taste is not balanced lettuce more crisp and tender. When selecting rhizome vegetables, we must pay attention to this situation, the rhizomes are too thick, it is best not to buy, this kind of vegetable is caused by too much catalyst, and it is useless to eat more. And it is too thick, and its flesh is mostly "chaff heart". It tastes astringent and not sweet at all.
3. Lettuce leaves have no moisture has become yellow, fresh lettuce leaves are not dry yellow and wilted, but very green, on the contrary, it shows that the lettuce is not fresh, the moisture loss in the lettuce is also very difficult to deal with when peeling, and it is finally wasted after buying it back.
Lettuce can be divided into pointed leaf lettuce, round leaf lettuce, according to the color of the skin, there are green skin lettuce, green skin lettuce, red lettuce, no matter what variety their nutritional value is the same, we buy lettuce, regardless of the price and variety, as long as you encounter the above mentioned 3 kinds of lettuce to pay attention to, the skin of the coarse flesh may also be chaff heart, for the sake of the family white also do not want.
Next, I will share with you the correct way to select lettuce: pick the stem thickness and thickness, not wilted, not hollow, no rust spots, no yellow leaves, no moss, the root epidermis is not hardened, and the feel is relatively heavy lettuce, so that it is a lettuce that is also fresh and full of moisture.
Precautions for eating lettuce:
When cooking lettuce, pay attention to salt do not put more, the taste is lighter and more conducive to nutrient absorption, in addition, people with weak vision should not eat more, people with eye diseases, especially night blindness, should also eat less lettuce.
How to preserve lettuce:
When the lettuce is bought back once and can't finish eating, you can use a basin to fill some water, put the lettuce in and raise it, you can keep it for about 1 week, but it is recommended to eat it as soon as possible to avoid nutrient loss, because the fresher the lettuce, the greener the color, and the higher the content of vitamins and inorganic salts. At the same time, avoid putting it together with pears, apples, sweet potatoes and other ingredients, so as not to release the ethylene to make the lettuce brown.
Conclusion: When buying lettuce, no matter how thick or thin, if you have the 3 characteristics mentioned above, don't buy it even if it is cheap!
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