European Union ndi United States dipatimenti ya zaulimi imati: kupanga gelatin pambuyo pa masiku 3 a asidi leaching, masiku 35 a phulusa leaching, gelatin yankho pambuyo yotseketsa pa 138 ℃ kwa masekondi 4 kwa zinthu zotetezeka (ie wopanda BSE).Komabe, kampani yathu imagwiritsa ntchito kupanga hydrochloric acid leaching yokhala ndi ndende yopitilira 3.5% kwa masiku osachepera 7, kutulutsa phulusa kwa masiku osachepera 45, ndi njira yomatira yosawilitsidwa pa 140 ℃ kwa masekondi 7.