Green tea extract is the active ingredient extracted from green tea leaves, mainly including tea polyphenols (catechins), caffeine, amino acids, vitamins, minerals, aromatic oils, water, pigments, carbohydrates, proteins and other components. Different content of green tea extract has different effects, the following is a detailed analysis:
1. The role of different contents of tea polyphenols
High content of tea polyphenols:
Antioxidant effect: tea polyphenols can remove free radicals, reduce oxidative stress, and protect cells from damage. High content of tea polyphenols have a stronger antioxidant properties, can be more effective in protecting the cardiovascular system, nervous system, etc. from oxidative damage.
Lipid-lowering effect: Tea polyphenols can significantly reduce the serum total cholesterol, triglyceride, LDL cholesterol content of hyperlipidemia, and at the same time, has the effect of restoring and protecting the function of vascular endothelium.
Anti-cancer effect: Tea polyphenols can inhibit the synthesis of DNA in tumor cells and induce mutant DNA breaks, thus inhibiting the growth and proliferation of tumor cells. Higher levels of tea polyphenols have stronger anti-cancer potential.
Antibacterial effect: Tea polyphenols can kill Clostridium botulinum and spores, inhibit the activity of bacterial exotoxins, and have antibacterial effect on a variety of pathogenic bacteria.
Moderate amount of tea polyphenols:
Health effects: moderate intake of tea polyphenols can maintain the body’s normal physiological functions, such as promoting metabolism, enhance immunity.
Beauty effects: tea polyphenols can help reduce skin inflammation, brighten skin color, improve skin texture, is a common ingredient in beauty care products.
2. The role of different levels of caffeine
High content of caffeine:
Refreshing: Caffeine can excite the central nervous system, slow down fatigue and keep people awake.
Diuretic effect: Caffeine has diuretic effect, which can increase the volume of urine and promote urination.
Moderate amount of caffeine:
Promote digestion: moderate intake of caffeine can promote peristalsis of the digestive tract and help digest food.
Improve mood: Caffeine can promote the release of dopamine in the nerve center and improve the activity of dopamine in the brain, which helps to relieve negative emotions such as nervousness, anxiety and depression.
3. The role of different levels of amino acids
High content of amino acids:
Enhance immunity: amino acids are the basic unit of protein, and high levels of amino acids help enhance the function of the immune system.
Promote cell proliferation: Amino acids can promote cell proliferation and differentiation, which helps to maintain normal cell renewal in the human body.
Moderate amount of amino acids:
Improve taste: Amino acids are one of the important flavor presenting substances in tea, and the intake of moderate amount of amino acids can improve the taste and flavor of tea.
Nerve regulation: Theanine and other amino acids have the effect of regulating the nerves, which helps to relieve tension, anxiety and other emotional problems.
4. The role of other ingredients
Vitamins: Vitamins in green tea extract have antioxidant and metabolism-boosting effects.
Minerals: Minerals such as calcium and potassium in green tea extract help to maintain the normal physiological functions of the body.
Aromatic oils: The aromatic oils in green tea extract have the effect of refreshing the mind and soothing the nerves.