Flower glue is the swim bladder of fish, that is, the white bubble in the belly of fish, also called fish belly with fish glue. The belly of fresh freshwater fish we usually eat is also nutritious and basically edible.

The common bean jelly on the market is mostly the belly of deep-sea fish. Due to the influence of the growing sea area, the minerals absorbed are different from those of freshwater fish, and most of the nutrients are higher than those of freshwater fish.

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