2023-10-03 04:00:15
Daily consumption of dark tea may be associated with significant benefits in controlling blood sugar and reducing the risk of developing pre-diabetes and type 2 diabetes in adults, researchers from the University of Adelaide in Australia and the University of the South East have revealed. , in China, during the Annual Meeting of the European Association for the Study of Diabetes, this Monday (2). See also Health Injection recently approved by Anvisa has effects comparable to those of bariatric surgery Health How many bananas is safe to eat without exceeding the limit of daily potassium intake Health Number of hepatitis A cases rises in São Paulo, and secretariat issues warning The article revealed that individuals who consumed dark tea every day had a 53% lower risk of prediabetes and a 47% lower risk of type 2 diabetes compared to those who never drank it, even after adjusting for established diabetes risk factors, such as age, gender, BMI (body mass index), blood pressure, among others. Dark tea, also known as post-fermented tea, is very common in China. It goes through a microbial fermentation process after harvesting the tea leaves. During fermentation, the bacteria and microorganisms present in the tea leaf continue to act, transforming its chemical compounds. This results in a tea with a richer and more complex flavor, with earthy, woody characteristics and deep notes. It should not be confused with black tea, which is very common in the United Kingdom. This is completely oxidized, but does not undergo fermentation after harvest. Post-fermented tea is very common in China Freepik It is precisely the microbial fermentation of dark tea that scientists attribute its health benefits to. This process can result in unique bioactive compounds (including alkaloids, free amino acids, polyphenols, polysaccharides and their derivatives), which confer potent antioxidant and anti-inflammatory effects, improve both insulin sensitivity and the performance of beta cells in the pancreas, and alter the composition of bacteria in the intestine. More than 1,900 adults living in eight Chinese provinces took part in the study, with 436 participants having diabetes, 352 having pre-diabetes and 1,135 having normal blood glucose levels. People who did not regularly drink tea and also those who consumed only one type were included in the research. They were asked about the frequency (i.e., never, occasionally, often, and every day) and type (i.e., green tea, black tea, dark tea, or other tea) of drinking the drink. The researchers looked at how tea consumption, including frequency and type of tea, was related to three important aspects associated with blood sugar control and diabetes. First, they examined how tea consumption affected glucose excretion in urine, which is a relevant indicator of blood sugar control. Second, they assessed how tea consumption was linked to insulin resistance, which is a trait associated with diabetes. Lastly, they investigated how tea consumption was related to glycemic status, which includes a history of diabetes, use of antidiabetic medications, and abnormal results on an oral glucose tolerance test. This allowed researchers to assess the impact of tea on metabolic health and diabetes risk. Individuals with diabetes often have kidneys with an enhanced ability to reabsorb glucose, meaning their kidneys recover more glucose from their urine, preventing it from being eliminated. The result ends up being high blood sugar levels. After considering differences related to age, gender, and medical and lifestyle factors, the analysis found that drinking tea every day was associated with an increase in glucose excretion in the urine. “These findings suggest that the actions of bioactive compounds in dark tea may directly or indirectly modulate glucose excretion in the kidney, an effect that, to some extent, mimics that of sodium-glucose cotransporter-2 (SGLT2) inhibitors, a new class of antidiabetic drugs that are not only effective in preventing and treating type 2 diabetes, but also have substantial effects in protecting the heart and kidneys,” commented Professor Tongzhi Wu, from the University of Adelaide, one of the authors of the work . For another researcher and study author, Zilin Sun, from Southeastern University, daily consumption of dark tea “may be a simple step that people can easily adopt to improve their diet and health.” “Our findings suggest that drinking dark tea every day has the potential to reduce the risk and progression of type 2 diabetes through better blood sugar control,” he said. Without specific signs, diabetes can be confused with other problems; see what the symptoms are
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