Purple yam is better than white yam, its nutritional value is higher than that of white yam. Purple yam in the content of some trace elements is much higher than the white yam, and purple yam has nourished the lungs and kidneys, spleen and stomach to cure diarrhea, it also has a lot of blue-purple anthocyanins, beneficial to the treatment of cardiovascular disease.

What is purple yam

White yam everyone has seen, but rarely seen purple yam, purple yam is a kind of yam. It is named because the flesh is purple, and this is when many friends want to know whether purple yam is good or white yam is good.

In fact, the purple yam is a hybrid variety, containing a large number of anthocyanin, nourishing effect is more excellent, in terms of efficacy and function than the white yam better.

Purple yam or white yam

Purple yam is a bit more nutritious, from the appearance of the biggest difference is that the purple yam is purple, ordinary yam is white. The purple color is due to the large amount of anthocyanins in the yam, and the purple grapes also contain the same large amount of anthocyanins, what is the role of anthocyanins?

Anthocyanins have antioxidant properties, slowing down the aging process and relieving fatigue, which is much better than regular yams.

Some studies have shown that both purple and white yams are rich in trace elements. And in purple yam in magnesium, calcium, zinc, copper and other trace elements content is much higher than the white yam.

The trace elements are necessary for our body to maintain the normal function of the organism. Therefore, it can be shown that the nutritional value of purple yam is a little higher than white yam.

The efficacy and role of purple yam

1, nourishing the body

Purple yam is often called "purple ginseng", nourishing the body is the most significant effect of purple yam. The purple yam is rich in mucus protein, a variety of vitamins, trace elements, natural polysaccharides and amino acids. These substances are quickly absorbed and utilized by our body can enhance the quality of the body, alleviate the body weakness.

2, tonifying the kidney and Yang

The purple yam can tonify the kidney and Yang. It has a good preventive and therapeutic effect on the weakening of kidney function as well as kidney deficiency, male sexual function decline, impotence, premature ejaculation and other adverse symptoms. Therefore, the majority of men usually consume more purple yam, there are great benefits.

3, delay aging

The rich nutrients contained in purple yam. Not only can meet the body's normal requirements for nutrients, but also speed up the metabolism. The anthocyanins it contains have a good antioxidant effect, which can remove the free radicals in our body. This can slow down aging, prevent wrinkles and color spots, and regular consumption has the effect of slowing down aging and beautifying the face.