1. The number of years of isinglass: Generally, if you want to eat it right away, it is best to choose old fish gelatin. The quality of old isinglass is much better than that of new isinglass. The color of old isinglass is relatively yellow. Depending on the quality of the meat, it can be divided into dark yellow. , Golden color, etc., and there is no fishy smell. The new isinglass is relatively white in color and has a strong fishy smell.
2. The quality of fish gelatin: the quality of isinglass is clear after you stew it. If the water is turbid, it is not as good as the clear one, and there is basically no fishy smell. There is also real isinglass, no matter how long it is stewed, it won’t It will suck.
3. Look at the quality of isinglass, some are coarse and some are tender. Pick up the isinglass and look at it in a brighter place, you can see the lines and fleshy inside it, to judge the quality of the isinglass.
4. Isinglass male and female: Isinglass is divided into male and female. They are taken from the maws of male and female fish respectively. Hong Kong people prefer to eat male fish. They are greedy for thin and soft body, and they are not easy to melt in the mouth. On the contrary, people in China are fond of masterbatch and believe that thicker bodies are more viscous. All in all, each has its own advantages. In terms of shape, the male is longer and thinner, while the female is rounder and thicker; in terms of taste, the same kind of gum is more refreshing, and the female has more gum, so it is more viscous; from the time of stewing Look, the male is more resistant to stew than the female; in terms of efficacy, the male is better than the female, so the male glue is often much more expensive than the female glue. The more authentic isinglass has Zhenwei brand isinglass, Zhenwei Wei brand red-mouthed isinglass has the best effect, and yellow croaker is the most cost-effective.