Susanne Kuehne, Decernis
Food Fraud Quick Bites

This Bufala Is No Bufala

By Susanne Kuehne
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Susanne Kuehne, Decernis

Two-thirds of buffalo mozzarella samples in the UK contained cow’s milk.

Find examples of these records and more in the Food Fraud Database.

Who doesn’t enjoy a nice Insalata Caprese or pizza Margherita with fresh tomatoes and mozzarella? Based on regulations in the EU and Italy, mozzarella di bufala is supposed to be made with buffalo milk only. “Bufala” in Italian may also mean “media hoax”, however, in this case, science shows that there is indeed “no bufala”. Multiple reaction monitoring mass spectrometry brings wide-spread fraught to light, showing that two-thirds of the tested supermarket and restaurant products are made with much cheaper cow’s milk, according to a study published in Food Control.


Gunning, Y., et al. (July 2019). “Quantitative authenticity testing of buffalo mozzarella via αs1-Casein using multiple reaction monitoring mass spectrometry”. Food Control. Volume 101, Pages 189-197. Retrieved from

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Susanne Kuehne, Decernis

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