Studies have not established the effect of adzuki beans on breast cancer

adzuki beans

Adzuki beans (Vigna angularis or Phaseolus angularis Wight., both the same plant) are small, usually red, beans popular in Japan and other parts of Asia. Adzuki beans, which are also known as azuki beans, are the principal ingredient in the "red bean paste" found in many Asian dishes and sweets. Adzuki bean phenolics include catechin and epicatechin glucosides, procyanidin dimers, myricetin and protocatechuic acid. The principal fatty acids in adzuki bean are linoleic acid and oleic acid. Adzuki beans have been shown to have antioxidant, hypoglycemic, antitumorigenesis, and hepatoprotective actions, as well as lowering cholesterol and triglyceride levels. Adzuki bean extracts have been shown to inhibit metastasis of lung cancer and melanoma in the laboratory, as well as inhibiting the growth and proliferation of carcinogen-induced stomach cancer.

Breast cancer-related effects of eating adzuki beans

Ethanol extracts of adzuki beans have been found to increase proliferation of estrogen and progesterone responsive (ER+/PR+) human breast cancer cells. The estrogenic effects of adzuki bean appears to have unique characteristics compared to that of other beans with significant phytoestrogen content.

Additional comments

In Asia and Asian cuisine, "red beans" normally refers to adzuki beans, whereas in the Americas "red beans" (in dishes such as Red Beans and Rice) refers to the larger common red dry beans (phaseolus vulgaris). Mung bean paste can be used as a healthier substitute for red bean paste in many dishes.

Note that while we are continually searching for new evidence concerning this food, there is not much interest in it among cancer researchers so few recent studies are available.

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Selected breast cancer studies

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