Poppy shell is actually poppy shell, because poppy shell also contains morphine, codeine, papaverine and other ingredients, which are addictive and prohibited from being added to food. Some poppy shells even taste sour and bitter. Perhaps the so-called "taste enhancement" means that restaurant operators add poppy shells to hot pot, which is addictive.

Great smoky smells slightly fragrant and bitter. Great smoky refers to opium. Opium, also known as opium, comes from poppy shell and contains more than 20 alkaloids, which can be divided into phenanthrene and isoquinoline. The former is morphine (about 10%) and codeine, and the latter is papaverine. Opium is black or brown due to different producing areas; It smells of ammonia or old urine, bitter and strong. In fact, most poppy shells are tasteless, even sour and bitter, and have little effect on food seasoning. Moreover, because poppy shells contain opium such as morphine, codeine, thebaine and narcotine.