Tea polyphenols and caffeine differ significantly in several ways, which can be summarized as follows:<\/p>\n\n\n\n
Source
Tea polyphenols are mainly found in tea, especially green tea, which has a high content of tea polyphenols, accounting for 15% to 30% of its mass.
Caffeine, on the other hand, is widely distributed in a variety of coffee beans and other plants, and is a natural component of many plants, including coffee, tea, and some cocoa products.<\/p>\n\n\n\n
Chemical Structure
Tea polyphenols are complex organic compounds, including catechins, epicatechins and many other components, which are complexes of polyhydroxyphenolic compounds in tea.
Caffeine, on the other hand, is a xanthine alkaloid compound with the chemical formula C\u2088HN\u2084O\u2082 and is a central nervous system stimulant.<\/p>\n\n\n\n
Mechanism of action
Tea polyphenols have a variety of biological activities, such as antioxidant, anti-inflammatory, antibacterial, etc., which can assist in promoting the body’s metabolism, lowering blood lipids and lowering blood sugar.
Caffeine, on the other hand, produces a euphoric effect by stimulating the central nervous system, which can temporarily drive away drowsiness and restore energy, and also has the effect of promoting metabolic processes.<\/p>\n\n\n\n
Effects on the human body
Moderate intake of tea polyphenols can help lower cholesterol levels and prevent cardiovascular disease, but excessive intake may affect iron absorption.
Excessive intake of caffeine may lead to insomnia, heart palpitations and other symptoms, and in severe cases, osteoporosis.<\/p>\n\n\n\n
Application areas
Tea polyphenols are commonly used in the production of various types of tea, such as green tea and black tea, due to their unique aroma and flavor. In the food industry, tea polyphenols are used as antioxidants and food preservatives.
Caffeine, on the other hand, is widely used in beverages and food, such as coffee and cola, and is the most commonly used psychotropic drug in the world.<\/p>\n\n\n\n
Ingredient content
Tea polyphenol is the main component of tea, accounting for 20% to 30% of the dry weight of tea, of which catechin-like compounds account for 60% to 80% of the total amount of tea polyphenols.
The amount of caffeine in coffee beans greatly depends on the variety of beans and how the coffee is made, and generally speaking the amount of caffeine in a cup of coffee ranges from 40 mg to 100 mg.<\/p>\n\n\n\n
To summarize, tea polyphenols and caffeine have significant differences in terms of source, chemical structure, mechanism of action, effects on the human body and application areas. In our daily life, we should choose to consume these two substances reasonably according to our own needs in order to promote our health.<\/p>\n","protected":false},"excerpt":{"rendered":"
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