After exposing that old yogurt and jelly products may contain industrial gelatin on April 9, the CCTV "Weekly Quality Report" revealed that medical hollow capsules may also use industrial gelatin as the raw material for production.
According to the CCTV13 news channel "Weekly Quality Report" column survey, the reporter visited many gelatin factories and medicinal capsule factories in Hebei, Jiangxi, Zhejiang and other places, and found that some gelatin production enterprises used "blue alum skin" with excessive chromium as Raw materials are used to produce industrial gelatin, and then through some secret sales chains, industrial gelatin is sold to some capsule factories as raw materials to produce and process medical capsules.
Since the main raw material of industrial gelatin is leather products, and tanning is the most critical process in leather production, the chrome tanning method (the main effective component is chromium oxide, about 12%) has been occupying the tanning agent since its advent due to its superior tanning properties Dominance. Therefore, it is currently considered that the chromium (Cr) element content exceeds the standard is the main difference between identifying industrial gelatin and edible gelatin.
Chromium is a multivalent metal ion with two, three and six valences. It is believed that trivalent chromium is a trace metal element necessary for biology and the human body. If people lack it, they will suffer from genetic abnormalities and glucose metabolism disorders. However, if long-term large amounts of trivalent chromium are ingested, then one is The antioxidant system that affects the body is susceptible to some chronic oxidative diseases, such as diseases such as diabetes and high blood pressure. On the other hand, because the antioxidant system is damaged, it is prone to tumors. This abnormally proliferative disease. Hexavalent chromium is a strong carcinogenic and mutagenic inducing factor, it is more easily absorbed by the body, and its toxicity is 100 times more toxic than trivalent chromium. Hexavalent chromium can affect the oxidation and reduction of cells, can be combined with nucleic acids, and has stimulating, carcinogenic and mutagenic effects on the respiratory tract and digestive tract.
For hollow capsules, the limit value specified in the 2010 edition of the Chinese Pharmacopoeia is 2mg / Kg.
General Analysis General Instruments Co., Ltd. developed a detection solution for Cr in hollow capsules using microwave digestion graphite furnace atomic absorption method with reference to the 2010 Chinese Pharmacopoeia method. The linear range is wide and the recovery rate is high, which fully meets the determination of chromium content in hollow capsules, and provides a good solution for the inspection of industrial gelatin in pharmaceutical capsules.
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