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The main value of sweet potato
The whole grass and fruit of sweet potato can be used as medicine. Picked in summer and autumn, cut into sections and dried raw. Tender fruit can be eaten.

Sweet and flat in nature.

Function: Yiqi Tongru. Used for failing to stop breast milk because of weakness; Topical medicine for treating boils.

Usage and dosage: 0.5 ~ 1 Liang, appropriate amount of fresh grass for external use, and prickly heat with broken juice for external use.

Harvest: harvest whole grass and fruits in summer and autumn, and process: wash and dry.

Functions: tonifying lung qi, clearing away heat and reducing fire, promoting fluid production to quench thirst, diminishing inflammation and relieving pain. The whole plant contains 1.5% rubber and 3.6% resin, which can be used as industrial raw materials.

Sweet potato has slender stems, low lignification and soft texture, which is beneficial to livestock.

Camels, goats and sheep like to eat fresh sweet potatoes. These animals especially like to eat their tender pods. When they dry up, the leaves fall off, which makes them less palatable.

In terms of chemical composition, melon has high nutritional value, with protein content close to alfalfa, equivalent to wheat bran, and rich in crude fat and ash, especially high calcium content, which is close to the level of general leguminous forage, and few nutrient crude fiber which is difficult to digest (table 153- 1). Sweet potato is not only rich in protein, but also good in protein. As far as the number of nine essential amino acids (table 153-2) is concerned, it can be compared with alfalfa hay and nearly half more than wheat bran. According to the analysis, nine elements (table 153-3) contained in sweet potato are all needed by animals except aluminum, among which ash, nitrogen, calcium and sulfur are high.

Sweet potato should be a medium or good feed plant. Fruits and seeds can also be used as medicine, and tender fruits can be eaten. The name of the medicine is sand milkweed, and the name of the Mongolian medicine is Duganu. Sweet and warm, it has the functions of promoting lactation, promoting blood circulation, diminishing inflammation, relieving pain and stopping diarrhea. The whole plant contains 1.5% rubber and 3.6% resin, which can be used as industrial raw materials.