The benefits of duck blood: rich in protein, zinc, iron, vitamin B2 and high food value of trivalent iron and other nutrients, it is very simple to be digested and absorbed by the human body, and then play a blood, iron effect. Whether from the energy or iron, potassium, phosphorus and other nutrients content, duck blood nutrients significantly higher than pig blood.
The disadvantages of eating duck blood: duck blood contains energy, fat, cholesterol is relatively high, obese people or want to lose weight of the crowd should consider choosing a lower energy blood such as chicken blood; if the elderly or high blood fat crowd, should consider low fat and cholesterol content of blood such as pig's blood.
Expanded Information:
Animal blood can be eaten in a variety of ways, it can be stir-fried, cooked in soup or hot pot or even cold, but the first thing that should be considered when eating blood is - safety. The process of cooking food is a process of food from unsafe to safe, although the process of cooking nutrients will have more or less loss, but eating raw food, especially raw animal blood from the health of a greater health risk, so do not recommend animal blood cold raw food, it is best to do cooked and then eat. Consumers do not know how to recognize the real duck blood, master the four strokes, you can easily identify real and fake duck blood:
1, look at the air holes. True duck blood tofu in the uncooked when there are no air holes, the surface is smooth. Cut with a knife, the cut surface will have varying sizes of air holes. The fake duck blood tofu in the uncooked on the honeycomb pores, knife cut the cut surface will appear uniform size pores.
2, look at the color. The real duck blood tofu is red, while the fake close to coffee color.
3, taste taste. Real duck blood fine, smooth, tender, eat in the mouth like tofu, there is a light flavor. Fake duck blood is often added in the processing of some starch and other chemicals, generally tough, can be stretched, eat up the texture is very tough, like jelly.
4, chopstick method. Use chopsticks to clip, clip constantly is fake duck blood, it is easy to clip broken is real duck blood.
References:
People's Daily Online - Duck blood is the best to eat to replenish blood Unveiling the blood and iron supplementation of the sharp
Baidu Wikipedia - Duck blood