In order to avoid such events again, on the one hand, the government departments to increase supervision, on the one hand, we consumers also need to have a certain awareness of food safety. Today, China eat net editorial will tell you. Identify formaldehyde duck blood have to see the color, taste taste, smell and other methods. ? 1, the simplest way is to use chopsticks to clip, clip is not broken is fake duck blood, it is easy to clip broken is real duck blood. True duck blood color dark red, the surface is uniformly smooth and very fragile, while the color of the fake coffee, similar to red brick, not fragile. 2, with a bloody flavor of high quality, fishy smell is poor quality, because the blood is not fresh will certainly have a foul smell. 3, the juice has blood red blood cells for high-quality duck blood; if the juice blood color is not obvious, the quality of the duck blood is mostly bad. The whole piece of pig blood or duck blood is not found in the color difference, indicating that there is no artificial added pigment or pigment added not much. 4, press pinch: in general, fresh duck blood is pressed with elasticity, mostly bad, and a press on the cracks, mostly good. High-quality duck blood pinched up into strips, pinch the hands of the residual red pigment less; poor-quality duck blood pinched up into particles and sticky hands, pinch the whole finger into red. Residual blood on the hands of the color is not dark, that did not add pigment, if there is a sense of granularity, etc. may be mixed with something else. 5, the taste of real and fake duck blood is very different, real duck blood is very tender and flavor. Fake duck blood tastes no flavor, and tougher, like eating jelly. Duck blood is particularly fine, slippery, tender, pick at the chopsticks above the elasticity, eat in the mouth like tofu, look at whether there is a hole, the real duck blood hole is very little. 6, real duck blood in the process of high temperature degassing and deodorization, no bloody flavor, but a duck fragrance; fake duck blood after breaking open the inside of the honeycomb pores, often in the process of adding some starch and other chemicals, so the general toughness, can be stretched, the real duck blood is more brittle. How to buy healthy duck blood: 1. First of all, there should be a bloody flavor; 2. When pressed, there should be cracks; 3. The precipitated water must be blood red; 4. Quality duck blood pinched up into strips, pinched after the hands of the residual red pigment less. Extended reading: how to eat duck blood healthier Nutrition experts suggest animal blood do not eat every day and do not mix with seafood cooking Hercynian Nutritionist Club Secretary General Huang Taihe said, animal blood contains protein, iron and other nutrients. If you want to give young children to eat, it is recommended to choose chicken blood or duck blood, because these two kinds of blood taste more tender, nutrients are easily absorbed. Before frying chicken or duck blood, soak it in water and fry it very well before giving it to your child. Whether boiled, stewed, or stir-fried, it is important to give your child cooked food. However, although chicken blood and duck blood are highly nutritious, due to the complexity of the animal blood's composition, Wong Tai Wo advises that they should not be eaten too often. If you eat too much at one time, it sometimes produces a feeling of falling in the abdomen, so patients with gastroptosis should not eat too much. When suffering from diarrhea, indigestion and other disorders, should not eat chicken blood, duck blood. Especially young children, a day's consumption should not be more than 50 grams. Huang Taihe told us, bean sprouts and duck blood together with soup is conducive to iron absorption, and seafood contains calcium, will affect the absorption of iron, duck blood is not recommended and a large number of seafood cooked together, but occasionally eat is OK. Attachment: How to identify poisonous pig's blood (formaldehyde pig's blood)? A look: normal pig's blood is darker in color, usually crimson, poisoned pig's blood is lighter in color; normal pig's blood has foam, poisoned pig's blood does not have foam; normal pig's blood is rough, there are irregular holes, poisoned pig's blood is smoother. Second touch: normal pig's blood is hard, easy to touch with the hand, pick up the feeling of heavier; problematic pig's blood on the contrary. Three pinch: normal pig's blood contains thicker fibers, pinched up into strips, pinch the hand residue of red pigment less; problematic pig's blood fiber less, pinched up into particles and sticky hands, pinch the whole finger after turning red. Four taste: normal pig's blood after cooking and eating a little sticky teeth, not sticky teeth of pig's blood have problems. China to eat network warm tips: All rights reserved, reproduced please indicate the source statement: this article and China to eat network catering encyclopedia of all published recipes production methods, articles, knowledge, data is for reference only, before use, please verify, the resulting risk are borne by you personally. China to eat network "dining encyclopedia" is committed to become a professional life service platform to provide the best practical food, recipe recipes practice, professional health and wellness knowledge, life tips, ingredients.