Contrary to popular belief, there is nothing wrong with a film forming on the surface of cooled tea.
Moreover, the film may indicate the high quality of the tea.
Why does a film form on tea?
The film on the surface of tea can be different, as can the reasons for its appearance.
A transparent film is a sign of high quality tea.
This film is called tea cream. It is formed as a result of the oxidation of useful polyphenolic compounds – catechins.
If the film on your tea looks like milk, it is caused by hard water.
The appearance of a rainbow film indicates that the tea has been standing for a long time.
Experts do not recommend drinking aged tea, it is harmful to the stomach.
Earlier we told you how to brew chamomile tea correctly.
