The quality of lemon slices should be judged by the smoothness, color, dryness and taste of the peel.

1, smoothness of lemon peel

Lemon peel should be smooth, without cracks and bug eyes. If there are cracks, bug eyes, etc. , may have been broken.

2. The color of lemon

Lemon slices are mostly golden yellow, uniform in color, bright and full, which explains well.

3. Dry lemon peel

If there are any spots on the skin, see if it is baked very dry by laymen. If the lemon is black or moldy, it's best to choose a dry whole lemon with a little yellow flesh inside.

4. the taste of lemonade

The skin of dried lemon slices is light yellow, and the pulp inside is brown (darker). It's best to wash it before drinking, because there will be some impurities, and the soaked water is slightly sour, but there is no acid of fresh lemon.

Extended data:

Effect of soaking lemon slices in water:

1, whitening

Because the vitamin content of lemon is extremely rich, lemonade is a good beauty product, which can prevent and eliminate skin pigmentation and play a whitening role;

2. Prevention and treatment of cardiovascular diseases

Drinking lemonade can also prevent and treat cardiovascular diseases, because lemonade can alleviate the role of calcium ions in promoting blood coagulation, so it can prevent and assist in the treatment of hypertension and myocardial infarction;

3. Prevention and treatment in kidney calculi

Lemon water contains a lot of citrate, which can inhibit the crystallization of calcium salt, thus preventing the formation of kidney calculi, and even reducing the number of stones in some patients with chronic kidney calculi. The research results published at the annual meeting of the American Urological Society also show that drinking lemon juice can increase the level of citrate in urine, and citrate can prevent minerals in urine from forming crystals in the kidneys, that is, kidney calculi.

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