What is tea scale?
Tea scale refers to the scale on the inner wall of the tea set, which is formed due to the accumulation of tea water for a long time. If the tea set is not cleaned in time or improperly cleaned after use, tea scale may occur, especially the purple clay pot, because of its loose material, it is more likely to accumulate tea scale.
Some older ones Teapots often form a thick layer of tea scale, which is also called “tea mountain” in tea culture. Many teapots have also doubled their collection value due to the existence of the “tea mountain”, and it is believed that they can achieve the effect of “three-point fragrance without tea”.
How does tea scale come about?
We all know that there are many chemical substances in tea, among which tannin is closely related to the formation of tea scale. Tannins are chemically unstable and prone to oxidation in the air, resulting in a compound called tanning anhydride. Since tannin is insoluble in water, it is easy to be adsorbed on the inner wall of the tea set after being precipitated from the tea leaves, and a layer of tea rust will be formed over time. Tea polyphenols in tea leaves and metal substances in tea rust undergo oxidation reaction in the air to produce tea scale.
Does the tea scale contain harmful substances? May also cause cancer?
Some people think that the tea scale contains heavy metals such as cadmium, lead, mercury, arsenic, etc., which will pose a threat to human health and may even cause cancer. is this real?
Tea scale does contain tea polyphenols and metal elements Compounds formed, such as calcium, magnesium, etc., but whether they contain heavy metal compounds or not depends on the quality of the tea leaves and the quality of the tea water. Even so, the tea scale produced by the tea set should be cleaned up in time. The accumulation of tea scale will not only affect the air permeability of the purple clay pot, but also easily breed bacteria.
The long-deposited tea scale is often troublesome to clean up. Is there any coup? Let’s take a look together!
1. Squeeze a small amount of toothpaste and spread it evenly on the tea set , let it sit for a while and then rinse with water.
2. Soak in heated rice vinegar or baking soda Day and night, and then scrub with a toothbrush.
3. Pour white vinegar into the tea set to be cleaned , let the white vinegar fully soak the tea scale, and then clean it after a period of time.
4. Pour a small amount of table salt into the tea set, and then use a toothbrush or hand to scrub with a little force, and finally rinse with water.
5. Put the potato skins in the tea set, and then Pour into boiling water for a while, and then clean it, it will be much easier. This is because at high temperature, starch will form an adsorbent colloid, which can effectively remove tea scale.
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