Duck blood contains trace element cobalt, so it has certain preventive and therapeutic effects on other anemia diseases such as pernicious anemia.
Duck blood has a laxative effect. It can remove deposits and dirt in the intestinal cavity, purify harmful substances such as dust and metal particles, and avoid cumulative poisoning. Therefore, it is the "scavenger" of human filth.
Duck blood contains vitamin K, which can promote blood coagulation and stop bleeding.
Duck blood can also provide a variety of trace elements for human body, which is beneficial to malnutrition, nephropathy, cardiovascular diseases and aftercare.
Duck blood vermicelli is rich in low sodium salt, low saturated fatty acid, potassium and iron; Beef fried dumpling is rich in low saturated fatty acid, potassium and protein. Tangbao is rich in trace elements such as nicotinic acid, calcium, phosphorus and potassium.