Every year the feast will always serve fish or fowl, but you know, we throw away the chicken gall is the main material of chenodeoxycholic acid.As an important component of medicinal material, a lot of people don't put it in the heart, because of its extremely bitter taste, is not suitable for as the material of food, people always throw away because we can not use and consumption of this reason.
        But only one chicken gall can't make anything, this also is the main reason why throw it away.Now more when buy is kill good chicken, so at the time of merchants to slaughter chickens gall: they will be collected, and disposable sold to manufacturers.In general large slaughterhouse these things won't throw away, all can change money, so large pharmaceutical companies and large slaughterhouse directly to establish a long-term relations of cooperation.Chenodeoxycholic acid production requires a lot of chicken gall, so usually small slaughterhouse will be more than one to sign the contract.In order to avoid materials are in short supply.
       Chicken gall in Canon of the yellow emperor as the earliest medicinal and compendium of materia medica are erratically, now the western medicine - chenodeoxycholic acid is commonly used in making chicken gall of western medicine.