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Chinese experts discovered the regularity and pollution degree of anthraquinone in tea

 Last Update: 2022-09-01
 Source: Internet
 Author: User

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Recently, "Beverage Plant Research" published a research paper online by the team of Academician Chen Zongmao from the Tea Research Institute of the Chinese Academy of Agricultural Sciences

It is understood that anthraquinone is a chemical product that can be used as a raw material for dye production, agricultural bird repellent, etc.

Anthraquinones have been detected in tea from major tea-producing countries in the world, and anthraquinone pollution in tea has become a major problem in international tea trade

In the green tea processing with coal as the heat source, the content of anthraquinone in tea increased by 4.

Therefore, it is inferred that the steps that tea leaves may contact with the smoke and dust produced by coal combustion, such as greening and drying steps, are the main steps of anthraquinone production in tea processing.

(Yuan Guofeng)

"China Food News" (May 12, 2022 Edition 07)

(Editor in charge: Wang Ning)

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