Sweet potato seedlings, also known as sweet potato leaves, are a high-quality vegetable, which is generally selected through artificial cultivation. It is the tender leaves growing at the top of the sweet potato neck and has many functions. It is known as the ‘queen of vegetables’, ‘longevity vegetables’, and ‘anti-cancer vegetables’. Sweet potato seedlings contain abundant mucin protein, which is very beneficial to human digestion and has a good effect on improving respiratory tract infections and joint cavity inflammation. In addition, sweet potato seedlings also have rich nutritional value, rich in protein, carotene, vitamins, and rare elements such as iron, calcium, and potassium that are beneficial to the human body. Below is a detailed introduction to the effects.

Nutritional composition and health benefits

Sweet potato seedlings are rich in nutrients. The top 10-15 centimeters of the sweet potato vine and the tender leaves and petioles are collectively called stems. The top of the sweet potato stem is rich in protein, carotene, vitamins, iron, and calcium. According to chemical analysis: the crude protein content of the stem tip is 21.1%-15.1% of the dry weight, which is equivalent to pork and beef. The protein content of the stems and leaves and the stem tip is 2.7%, carotene is 5580 international units per 100 grams, vitamin C is 41.07 milligrams per kilogram, calcium is 74 milligrams per kilogram, iron is 4 milligrams per kilogram, vitamin B1 is 3 milligrams per kilogram, niacin is 6 to 10 milligrams per kilogram, and B6 is 2.1 milligrams per kilogram. According to the detection of the Chinese Preventive Medicine College, compared with 13 kinds of vegetables such as celery, cabbage, spinach, cabbage, rapeseed, chive, cucumber, eggplant, carrot, and tomato, the stem tip ranks first in 14 kinds of nutritional components, including protein, fat, calories, dietary fiber, carbohydrates, calcium, iron, phosphorus, carotene, vitamin C, B1, B2, niacin, and other 13 items.

The top of the sweet potato stem contains abundant mucin protein, which has a protective effect on the digestive tract, respiratory tract, joint cavity, membrane lubrication, and vascular strength of the human body. This substance can prevent the deposition of lipid substances on the arterial wall, causing atherosclerosis, and can prevent the atrophy of connective tissues in organs such as the liver and kidneys, and improve the body’s immunity. In addition, it also has health functions such as increasing platelets, hemostasis, preventing night blindness, promoting intestinal movement, and preventing constipation. Japan, the United States, and even Germany list the sweet potato stem as a longevity food or aerospace food, and Germany calls the sweet potato leaves and tips the queen of vegetables.

Picking standards

The product is picked when the bud length is between 10-15 centimeters, with tender green leaves and sheaths with luster, free of diseases and pests, no yellow leaves, no rot, and no other pollution spots

Packaging processing and preservation treatment

Vacuum packaging cold storage preservation.