The efficacy and function of sweet potato vines

Sweet potato vines are the rhizomes and leaves of sweet potatoes. The whole sweet potato is a treasure. In addition to the rhizomes and leaves of sweet potatoes, you can also eat them. They are very tender and rich in protein, carotene, vitamins, calcium, iron, zinc and other trace elements. Therefore, they are very popular and have special significance.

The tender tips of sweet potato vines are also rich in protein, carotene, vitamin B1, vitamin C, iron, aluminum, etc. They can be used as vegetables and have higher nutritional value than other leafy vegetables. Every 100 grams of sweet potato stem tips contains 2.7% protein, while spinach, amaranth and cabbage contain 2.3%, 1.8% and 1.7% protein respectively.

Every 100 grams of sweet potato stem tips contains 74 mg of calcium, which is 10 mg more than 100 grams of cabbage. The iron content is 4 mg per 100 grams of sweet potato stem tips, while it is only 2 mg per 100 grams of spinach and 0.7 mg per 100 grams of cabbage. The vitamin B2 content is 0.35 mg per 100 grams of sweet potato stem tips, both of which are higher than spinach, amaranth and cabbage. Vitamin B2 is a vitamin that is relatively lacking in the food of the Chinese people. Therefore, eating the tender tips of sweet potato stems is of special significance in improving the source of vitamin in food.

Sweet potato leaves are low in calories, containing only 30 calories per 100 grams. In addition, they contain a variety of minerals and are high in calcium and vitamin A. The high content of vitamin A can maintain the health of epithelial tissues in the hair, skin, respiratory tract, digestive tract, etc., and protect eyesight. In particular, the content of harmful substances such as oxalic acid in sweet potato leaves is not high, so it is an excellent and nutritious dark green vegetable.

General dietary fiber can promote gastrointestinal motility, prevent constipation, reduce the incidence of hemorrhoids and colorectal cancer; it can also increase the feeling of fullness, reduce calorie intake, and help diabetic patients control blood sugar; at the same time, it can lower cholesterol, increase fat excretion, and prevent vascular sclerosis, etc., which is beneficial to human health. The fiber of sweet potato leaves is soft and fine, without bitterness. It is smooth and gentle on the stomach, making it an excellent dietary fiber. In particular, sweet potato leaves are low in calories, easily make you feel full, and are also a good food for weight loss.