Researchers at the University of Berlin selected 16 healthy women, who consumed black tea without milk, milk tea, and boiled water, and used ultrasound to detect the forearm vasodilators' ability to drink before and 2 hours after drinking tea. The results showed that compared with drinking boiled water, the ability of blood vessels to expand the ability to drink black tea significantly increased, and milk will completely offset this effect of black tea.
Researchers believe that the catechins contained in black tea have the effect of increasing the myocardium and strengthening the elasticity of the blood vessel wall, and can help the body to effectively prevent heart disease. In addition, a protein called casein in milk destroys catechol and reduces black tea. The health benefits. Compared with the Western countries that prefer black tea, drinking green tea has become a social convention in China and other Asian countries, and green tea contains more catechins. This study did not involve green tea. The latest findings also explain why residents in countries such as the United Kingdom often drink black tea, but the prevalence of heart disease and stroke has not decreased because they are accustomed to adding milk to tea.
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