1. The chemical structure is different: tea polyphenols are polyhydroxy aromatic compounds, while theophylline is an alkaloid with purine ring structure.
2. Different functions: Tea polyphenols have many biological activities such as anti-oxidation, anti-inflammatory and anti-cancer, which are helpful to protect cardiovascular health and anti-aging. Theophylline can stimulate the nerve center and improve metabolism, which is helpful to strengthen physical strength and refresh the mind.
3. Different uses: Tea polyphenols are the main active components of tea, which are widely used in medicine, health care products, cosmetics and other fields. Theophylline is mainly used in food additives, medicines, cosmetics and other fields.