Higher Melamine content in milk can lead to kidney problems

Metrohm Ion chromatography helps in identification and quantification of Melamine in milk.

Water is added to raw milk to increase its volume. As a result of this dilution the milk has a lower protein concentration. Companies using the milk for further production (e.g. of powdered infant formula) normally check the protein level through a test measuring nitrogen content. The addition of melamine increases the nitrogen content of the milk and therefore its apparent protein content.

Melamine was found in wheat gluten and rice protein concentrate exported from China and used in the manufacture of pet food in the United States. This caused the death of a large number of dogs and cats due to kidney failure. In the present event, melamine contamination has been found in a number of different brands of powdered infant formula, in one brand of a frozen yogurt dessert and in one brand of canned coffee drink. All these products were most probably manufactured using ingredients made from melamine-contaminated milk. Melamine can cause irritability, blood in urine, little or no urine, signs of kidney infection, high blood pressure etc.          -Source: WHO