Does preserved egg contain lead? If there is lead, how did it come from?

1. Traditional preserved eggs contain trace amounts of heavy metals such as lead, which should not be eaten too much.

2. In the process of making traditional preserved eggs, heavy metals such as lead or copper are often added to the dipping solution to solidify protein. Heavy metals will remain during cleaning and cooking.

3. The new technology adopted at present makes the production of preserved eggs safer. Some new preserved eggs do not contain heavy metals such as lead, but the price is higher, so you can choose to buy them yourself.

Extended data:

Preserved eggs, also known as preserved eggs, preserved eggs, gray eggs, wrapped eggs and so on. Is a traditional egg product in China. The main raw material is duck egg, which tastes fresh, smooth and refreshing, slightly salty, and has a unique color and fragrance. Preserved eggs are not only loved by domestic consumers, but also enjoy a good reputation in the international market.

After a special processing method, preserved eggs will become black and bright with white patterns on them. When you smell them, there is a special smell, which is one of people's favorite foods.

Preserved eggs are not only delicious food, but also have certain medicinal value. Wang Shixiong said in the Diet Spectrum of Interesting Life: "Preserved eggs, pungent, astringent, sweet and salty, can clear away heat, sober up, purge large intestine fire, treat diarrhea and disperse astringency." Traditional Chinese medicine believes that preserved eggs are cool and can cure eye pain, toothache, hypertension, tinnitus and dizziness.

References:

Baidu encyclopedia _ preserved egg