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How to buy rice, flour and miscellaneous grains in the supermarket
1, natural pasta is light yellow: natural flour contains a small amount of carotene, and the closer to the outer layer, the heavier the color. It will show a little yellow when cooked. However, most consumers think that steamed bread should be white and big, which gives businesses an opportunistic opportunity to "beautify" pasta with additives.

2. The coarse grains with delicate taste are fake: some so-called corn steamed buns may be made of refined white flour and yellow pigment; Whole wheat steamed bread may be made of caramel pigment; The fragrance of corn can be forged with essence; Whole wheat steamed bread can also be supplemented with wheat bran, but the texture and taste of coarse grains can't be forged. If coarse grains are as delicate as white steamed bread, they may be counterfeit products.

3, pinch it and it will return to its original state: a good steamed bread will return to its original state when pinched, otherwise it may add leavening agent or too much yeast. If it feels soft and tastes like bread, you'd better not buy it.

4, fried, stuffing staple food to buy less: many staple food kitchens usually do not change oil for one day in order to control costs. There is a suspected carcinogen in oil called "acrylamide", so you should eat less, especially for children with weak detoxification ability. The same is true for foods with stuffing, and the freshness of meat and vegetables inside cannot be verified.

5. On-site production is safer: Compared with bagged staple food, on-site production is safer.