Fish Maw and Fish Maw refer to the same ingredient, there is no difference between them at all, just that there are different regions where people call it differently.
It will be mostly called fish maw or fish glue in the mainland's ingredient market, and very few people will call them flower glue, but this ingredient is only known by the name of flower glue in Hong Kong. Fish glue is actually fish bubbles, and both refer to the same thing, which is fish maw, also known as swim bladder.
Fish glue that is fish swim bladder (fish used to adjust the sinking and floating organ, also called fish bubble, inside the gas) of the dried products, rich in gelatin, so the name fish glue, also known as fish maw, flower glue. Fish glue and bird's nest, shark's fin, is one of the "eight treasures", known as "marine ginseng" reputation.
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