The nutritional value of sweet potato leaves

Sweet potato leaves generally refer to sweet potato leaves.

地瓜叶

Sweet potato leaf (herbaceous herbaceous perennial) is also called sweet potato leaf, which is the leaf on the stem during the growth of sweet potato. Sweet potato leaves have many uses, such as improving immunity, protecting eyesight, delaying aging, and detoxifying. What is generally eaten is the young leaves on the top of the stem after the ripening of sweet potatoes in autumn.

Sweet potato leaves can improve immunity, stop bleeding, reduce blood sugar, detoxify, prevent and treat night blindness, promote metabolism, facilitate urine, raise platelets, prevent arteriosclerosis, prevent cell cancer, prolactin and detoxification. Sweet potato leaves make the skin smooth, regular consumption helps prevent constipation, protects eyesight, and keeps skin delicate and anti-aging.

Many years ago, during the harvesting season of sweet potatoes, people only harvested the sweet potatoes and brought them home. For the sweet potato leaves, people are grinding it into feed to feed some domestic animals.

However, with the discovery of the health benefits of sweet potatoes, sweet potato leaves have also been pulled onto the stage and followed by sweet potatoes. Without research, fortunately, a study is startled. The fact that sweet potato leaves are called "vegetable queens" is not an exaggeration at all. Its health effects are unmatched by other vegetables.

It is an organic vegetable that has a good therapeutic effect. The so-called therapeutic effect must ensure the quality of the ingredients. Organic vegetables are the highest safety grades of vegetables, so they can also exert the best therapeutic effects [5].

Sweet potato leaf nutrition

Sweet potato leaves are the leaves of sweet potato vines, also known as sweet potato leaves. They are the sweet potato plants of the family Convolvulaceae. It is a variety of sweet stalks that have been artificially selected to produce sweet potato shoots for human consumption. In Hong Kong, it is still known as “vegetables” in the world. "Queen", "Longevity Vegetable" and "Anticancer Vegetable", Asian Vegetable Research Center have listed sweet potato leaf as a highly nutritious vegetable variety.

Sweet potato leaves are rich in nutrients. The leaves are green and refreshing. Most of their nutrient content is much higher than spinach, celery and other high nutrients. In particular, carotenoids are three times higher than ordinary carrots, and they are more fresh than corn and steamed bread. 600 times higher.

Sweet potato sprouts are rich in nutrients, with 10 to 15 centimeters per 100 grams of sweet potato vine vines, and young leaves and petioles collectively called stems. Sweet potato tips are rich in protein, carotene, vitamins, iron and calcium.

According to the laboratory analysis, the crude protein content of stem tip was 21.1%-15.1% of dry weight, which was comparable to that of pork beef. Proteins of 2.7% stem and leaf tip, carotene 5580 IU/100 g, vitamin C 41.07 mg/kg, calcium 74 mg/kg, iron 4 mg/kg, vitamin B1 3 mg/kg Niacin 6-10 mg/kg, B6 2.1 mg/kg. According to the Chinese Preventive Medical College's inspection, compared with 13 kinds of vegetables such as celery, cabbage, spinach, cabbage, rapeseed, leeks, cucumber, eggplant, carrot, and tomato, the sweet potato leaf tip has protein, fat, and 14 nutrients. There were 13 items such as calories, cellulose carbohydrates, calcium, iron, phosphorus, carotene, vitamin C, B1, B2, and niacin, and sweet potato leaves ranked first.

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