What diseases can drinking roasted black bean water prevent?

Roasted black bean water is a traditional beverage in many Asian countries. It is believed to have health benefits because many compounds in black beans, such as antioxidants anthocyanins and saponins, are dissolved in the water.

Drinking roasted black bean water can help prevent the following diseases:

Cardiovascular disease

Black beans are rich in soluble fiber, magnesium, potassium, and polyphenol antioxidants. These are important factors that help improve blood vessel function and regulate blood pressure, according to the health website Verywell Health (USA).

Drinking roasted black bean water is a good way to supplement antioxidants for the body.

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A study published in Nutrients found that eating black beans with white rice significantly reduced post-meal glycemic and insulin responses in healthy adults. A reduction in post-meal insulin responses is considered beneficial because it reduces metabolic load, reduces oxidative stress, and improves vascular endothelial function, thereby contributing to long-term cardiovascular health.

Roasted black bean water contains polyphenol antioxidants in black beans, which help inhibit the ACE enzyme. This effect is similar to the mechanism of some blood pressure lowering drugs. In addition, this compound helps increase nitric oxide production, dilates blood vessels and reduces peripheral vascular resistance.

One thing to note is that the polyphenol content depends greatly on the roasting and cooking method. Roasting below 150°C helps break down the cell structure, making the polyphenols more soluble when steeped in hot water. However, if roasted for too long or too hot above 180°C, many polyphenol compounds, especially anthocyanins, will be destroyed by oxidation and heat. Therefore, medium roasting, when the beans begin to darken, not burn, is the optimal level to retain antioxidants.

Diabetes

Compounds in black beans, especially anthocyanins and fiber, have the ability to control blood sugar and improve insulin sensitivity. Additionally, black beans have a very low glycemic index.

When black beans are roasted and brewed into water, some of the dissolved antioxidants may still retain their blood sugar regulating effects. Therefore, drinking roasted black bean water regularly, combined with a balanced diet, can help prevent type 2 diabetes and impaired glucose tolerance.

Cancer

One of the outstanding benefits of black beans is the ability to protect cells and prevent colorectal cancer. In particular, black beans contain powerful antioxidants anthocyanin and quercetin, which have the effect of fighting DNA damage and inhibiting the growth of cancer cells.

These compounds can partially dissolve into water when black beans are roasted and then steeped in hot water. Therefore, roasted black bean water can contribute to cancer prevention, especially colorectal cancer, although it does not have as much fiber as when eating whole beans, according to Verywell Health .

Although black bean water is very good for health, you should consult a specialist before using it regularly.

Source: https://thanhnien.vn/uong-nuoc-dau-den-rang-ngan-ngua-benh-gi-185251103141335973.htm