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Purple yam is wild in the mountains. It only has some light purple in the center of the stem, but does not have the dazzling purple color of artificial cultivation. Purple yam is also called purple yam. According to records in the Compendium of Materia Medica, purple yam has high medicinal value. , regular consumption can not only increase the body's resistance, lower blood pressure, blood sugar, anti-aging and longevity, etc., but also benefit the spleen, lungs, kidneys and other functions. It is a good food supplement material and is also known as the king of vegetables. Purple yam contains a large amount of purple anthocyanins, which is beneficial to the treatment of cardiovascular diseases, and plays an antioxidant and beauty role.
