In general, the silvery substance on the surface of hairtail does not contain harmful substances, but has high nutritional value, so it can be safely eaten, and will not cause discomfort or harm health. Let's take a look at it in detail! Is the silvery surface of hairtail a fish scale?

No, the silvery white of hairtail is equivalent to a thin layer of grease, and this layer of silvery white is also nutritious. As mentioned above, this layer of silvery white of hairtail can also tell whether hairtail is fresh or not. If it is not fresh, hairtail will be secretly colored. And when frying in the pan, hairtail will stick to the pan without this layer of silvery white, so the hairtail made is not a whole piece. It's broken. Last time I read a cookbook, I emphasized that hairtail should not wash off the silvery layer. Can the silvery substance on the surface of hairtail be eaten?

Yes.

The silvery white thing on hairtail is actually a layer of epidermis formed by special fat, called "silver fat", which is a high-quality fat with high nutritional value and no fishy smell. It can be eaten and does not need to be scraped off. What's the use of the silver substance on the surface of hairtail?

The silver grease on the surface of hairtail contains unsaturated fatty acids and lecithin, which can enhance the vitality of cells on the skin surface, make the skin tender and elastic, make the hair dark and soft, and has the effect of blackening hair and nourishing the skin.

Anti-aging

Lecithin contained in silver grease can also reduce the death rate of cells, delay the aging of the brain, replenish the brain and resist aging.

Anti-cancer

The silver lipid layer of hairtail contains 6- thioguanine, which is a natural anti-cancer component and is beneficial for adjuvant treatment of leukemia, gastric cancer and lymphomas.