Everyone knows little about patina, and some even think it is harmful. The characteristics of verdigris are actually very stable, and verdigris is insoluble in cold water and boiled water, so it will not be digested and absorbed when it enters the body. Copper pots, copper chafing pots and copper water containers have been used for thousands of years. So far, no medical report about health damage has been received, which proves that patina is harmless to the body. However, long-term use of copper teapot water may lead to the risk of poisoning due to high copper content, so the use of known copper teapot with high zinc content is generally not considered.

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The harm of copper pot

Second, the benefits of copper pot

1. Copper has good thermal conductivity and is symmetrical when exposed to heat. When making tea and cooking, energy quickly penetrates into it, so that its nutrients are completely released. Old tea in copper pot, such as Bai Mudan tea, black tea will become fragrant and smooth. Just try it.

2. High copper content can assist the digestion and absorption of ferrous ions, which has certain influence on anemia patients. Moreover, copper can also prevent cardiovascular diseases and is also good for treating vitiligo.

The water in the copper pot is not easy to rot. It is the work experience of the ancients, which shows that copper crafts can sterilize and copper pots can prevent cancer every day.

4. Cook Bai Mudan tea in a copper pot.

Bai Mudan tea has good medicinal properties. As the saying goes, Bai Mudan tea, like medicine for seven years, has the effects of sobering up and relieving hangover, clearing away heat and moistening lung, soothing liver and nourishing blood, diminishing inflammation and expelling toxin, lowering blood pressure and reducing weight, and relieving fatigue. , especially for the physical discomfort and digestion and absorption problems caused by excessive alcohol and tobacco and excessive liver fire. Has unique and ingenious health care effect.

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The harm of copper pot

Third, the damage of copper kitchenware

Copper kitchenware is still rarely used. Copper will produce copper salt in strong acid and alkali natural environment and high temperature, which is harmful to human body. Pseudomonas (copper hydroxide) and a kind of turquoise powder (copper oxide) produced by oxidation in wet and cold natural environment are very easy to cause harmful substances, except copper and tin, because the friction caused by cooking will be harmful to health. Therefore, copper containers are gradually eliminated. Copper acid

Alkali can cause high fever, black tongue coating, nausea, vomiting and other symptoms of digestive tract food poisoning.