Question

what substances are used for preparing tea​

Answer 1

Answer:

Here's Your Answer

Explanation:

The most well-known is caffeine, a potent stimulant that you can also get from coffee and soft drinks. Tea also contains two substances related to caffeine: theobromine and theophylline. Finally, it provides a rather unique amino acid called L-theanine, which has some very interesting effects on the brain

Answer 2

Answer:

The most important compounds in fresh tea leaves are polyphenols, amino acids, enzymes, pigments, carbohydrates, methylxanthines, minerals and many volatile flavor and aroma compounds. These components are responsible for producing teas with desirable appearance, aroma, and taste

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