How to identify poisonous duck blood? What are the special symptoms of poisonous duck blood?

Duck blood, also known as red tofu, is a common ingredient in our daily life. It has a delicate taste and is rich in nutrients. It contains iron, calcium and various vitamins. It has many benefits to the body after people consume it. However, the duck blood sold on the market is impure. Some of it is not real duck blood, but poisonous duck blood made from blood-chemical materials. So how should we identify poisonous duck blood when purchasing it?

How to identify poisonous duck blood

1. Look at the color of duck blood

When you buy duck blood, you can identify whether it is poisonous duck blood by its color. The surface of real duck blood is dark red, and it will not fade when blanched in water. However, the surface of poisonous duck blood is brown, and it will fade seriously when blanched in water. The water used to blanch duck blood will turn red.

2. Identify duck blood by feel

When buying duck blood, you can also identify the authenticity of duck blood by feel. Good quality duck blood is harder and feels brittle. It will break when pressed by hand, and there will be small holes of different sizes on the cross section. Poisonous duck blood contains a large amount of chemical raw materials and has good toughness. It will not break when pressed. Even if it breaks, the small holes on the cross section will be particularly uniform.

3. Identify duck blood by taste

You can also tell the quality of duck blood by taste. Really good quality duck blood tastes delicate, tender and has a natural fragrance, while poisonous duck blood has almost no taste and feels chewy and elastic. After you master these few days, you will be able to easily identify poisonous duck blood when buying duck blood, and you will never be deceived again.