The efficacy and function of yam stems

For many foods, not only the fruits are edible, but the roots, stems and leaves are also edible. For example, the stems of celery are a common food, but people also use the celery leaves for cold dishes, which also have a very good effect on lowering blood pressure. Yam is a food that grows in the southern region. There are many ways to eat yam fruit, but many people also like to eat yam stems. Let’s learn about the efficiency and function of yam stems.

1. Nutritional content

Sweet potato seedlings are rich in nutrients. Every 100 grams of sweet potato vines, the top 10-15 cm, tender leaves and petioles are collectively called stems. The stem tips of sweet potatoes are rich in protein, carotene, vitamins, iron and calcium. According to laboratory analysis, the crude protein quality of the stem tip is 21.1%-15.1% of the dry weight, which is comparable to that of pork and beef. The protein content of stems, leaves and stem tips is 2.7%, the carotene content is 5580 IU/100 g, the vitamin C content is 41.07 mg/kg, the calcium content is 74 mg/kg, the iron content is 4 mg/kg, the vitamin B1 content is 3 mg/kg, the niacin content is 6 to 10 mg/kg, and the B6 content is 2.1 mg/kg. According to tests conducted by the Chinese College of Preventive Medicine, when compared with 13 kinds of vegetables including celery, cabbage, spinach, cabbage, rapeseed, leek, cucumber, eggplant, carrot, and tomato, the stem tips rank first in 13 of the 14 nutrients, including protein, fat, calories, cellulose carbohydrates, calcium, iron, phosphorus, carotene, vitamin C, B1, B2, and niacin.

2. Health Care Effects

The sweet potato stem tip is rich in mucus protein, which has a protective effect on the human digestive tract, respiratory tract, joint cavity, membrane lubrication and blood vessel strength. This substance can prevent arteriosclerosis caused by the deposition of lipids on the arterial walls, stop the atrophy of connective tissue in organs such as the liver and kidneys, and enhance the body's immunity.