Black soybeans, also known as black beans, winter beans, or large beans, are commonly used to make fermented black bean paste (douchi) for seasoning.Fermented black soybean paste contains substantial amounts of urokinase, which dissolves blood clots, along with trace amounts of B vitamins and antibacterial compounds.
Medicinal Benefits of Black Soybeans:
(1) Traditionally regarded as "the grain of the kidneys," black soybeans resemble kidney shape, possess a sweet taste, and exhibit neutral properties. They are believed to nourish the kidneys, strengthen the body, promote blood circulation, facilitate diuresis, detoxify, and moisturize the skin—making them particularly suitable for those with kidney deficiency.
(2) Fermented soybean paste (douchi) derived from soybeans is thought to detoxify, relieve irritability, and dispel stagnation. It is also used to treat osteoporosis, hypertension, and diabetes.
(3) Soy-fermented douchi is said to detoxify, alleviate restlessness, and dispel stagnation. It can also address osteoporosis, hypertension, and diabetes.
(2) Fermented soybean paste (douchi) made from soybeans detoxifies, relieves irritability, and dispels stagnation. It can also treat osteoporosis, hypertension, diabetes, and other conditions.
(3) Black bean products like soy milk and tofu are excellent dietary remedies for premature graying and hair loss caused by kidney deficiency, earning them the nickname "Lady Black Hair."
Contraindications for Black Beans
1. Suitable for those with spleen deficiency edema or beriberi swelling; beneficial for the physically weak, children with night sweats or spontaneous sweating (especially post-fever), elderly with kidney deficiency-induced deafness, and children with nocturnal enuresis. Also suitable for pregnancy-related lower back pain, weakness in the lower back and knees, excessive vaginal discharge, postpartum stroke, or limb paralysis.
2. Children should not consume excessive amounts.
3. When stir-fried, black soybeans become highly heating in nature; overconsumption may cause internal heat, thus moderation is advised.
4. Black soybean leaves treat bloody urine, while the seed coat nourishes blood and dispels wind.