2, smell: will buy the meat pine, tear into the copy water, washed out of the whitish filaments can be ignited, and then smell the smell, the fibrous meat filaments ignited to emit a particularly unpleasant smell, like the smell of burnt chicken feathers, while the cotton has no taste.

3, taste: cotton and meat taste difference is very big, cotton surface seems to be fluffy, but put into the mouth but chewed, meat is also fluffy, but a bite on the rotten, and can taste the light meat flavor to. If the meat loaf is really made of cotton, you can taste it in one bite.

4, color change: bisulfonylurea reagent solution will turn purple when protein, fiber meat silk is the main component of protein, while the main component of cotton is cellulose, cellulose is an insoluble dietary zd fiber, bisulfonylurea reagent solution will not change color.

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