The polyphenols and tannins in the tea water may precipitate with the ingredients in the medicine and reduce the efficacy. Medication or warm water should be sent. Polyvinyl alcohol is a kind of organic compounds, chemical formula for [C2H4O] n, the appearance is white flake solid flocculent or powder, odorless soluble in water (95 above), dimethyl sulfoxide, slightly soluble in benzene, toluene insoluble in gasoline kerosene, vegetable oil dichloroethane carbon tetrachloride acetone, ethyl acetate methanol glycol polyvinyl alcohol is an important chemical raw materials, such as used in the manufacture of polyvinyl acetal resistant to gasoline pipe and vinylon synthetic fabric treatment emulsifier paper coating adhesive glue, etc. Polyvinyl Alcohol Pva,Low Binder Requirement Pva,Low Ash Content Pva,Smooth Burn-Out Profile Pva Xingbang High Molecular Materials Co., Ltd. , https://www.chemicaladditive.com
In most cases, it is not advisable to use tea to take medicine, especially western medicines such as ferrous sulfate, ferrous carbonate, rattan, ferric amines and other aluminum-containing agents such as aluminum hydroxide, and tea polyphenols encountered in tea soup. Substances that bind with metal ions and precipitate will reduce or lose efficacy.
Some Chinese herbal medicines, such as ephedra, berberine, quinine, rattan, astragalus, ginseng, etc., as well as corresponding alkaloid preparations and atropine, aspirin, etc., are generally not suitable for drinking with tea, otherwise ephedrine and other active ingredients of traditional Chinese medicine will The tannic acid in the tea precipitated and lost its efficacy.
When taking enzyme preparations, such as proteases and amylase, it is also not suitable to drink tea. Polyphenols in tea can bind to enzymes and reduce the activity of enzymes. In addition, tea contains caffeine (also known as "caffeine"), which has an excitatory effect, so when taking sedative, hypnotic, and antitussive drugs, it is not appropriate to use tea to give shares, to avoid drug conflicts and reduce drug efficacy.