How to identify the banned additive formaldehyde.

Formaldehyde is a powerful preservative, extremely harmful to human health, can cause chronic respiratory diseases, leading to headache, dizziness, fatigue, damage to human liver and kidney function, reduce immune function, leading to nasopharyngeal cancer, bone marrow cancer, lymphoma and other malignant diseases.is now using silver fish as an example to identify whether formaldehyde has been soaked. Unprocessed silver fish: soft body, natural bending, body milky white, with fingers to squeeze the fish solid, good elasticity, when squeezing muscles easily broken, no odor. Treated silver fish: straight body, straight body shape, translucent body color. Squeeze with your fingers with strong toughness, poor elasticity, muscle is not easy to break when squeezing, may smell a faint formaldehyde smell.common formaldehyde soaked aquatic products are shrimp, silver fish, tap fish, squid, sea cucumphen and so on. Shrimp soaked in formaldehyde can more than double in weight. But once hot, the volume shrinks and the food lacks the seafood's distinctive flavor.
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