Among the many losers in the test are the organic manufacturers Alnatura and Dennree. However, most conventional butter brands also fail the test. In addition to Weihenstephan, Landliebe and Meggle, the butter from the well-known Irish dairy Kerrygold also fails. But not only expensive butter is disappointing, the cheap own products from Aldi, Edeka, Penny, Lidl and Co. fly through mercilessly. In the 2018 test by Stiftung Warentest, Kerrygold brands failed the butter test – more about that here.
The reason for the many bad ratings is, among other things, the category “Mineral oil components”. 13 of 14 samples that were rated “inadequate” have “highly increased” values. In addition, for most butter brands in the test, ÖKO-TEST assessed the content of fatty acids typical of green fodder as too low. Above all, the content of omega-3 fatty acids allows conclusions to be drawn about the type of animal husbandry: You can tell how much grass or hay the cows have eaten as basic feed, according to ÖKO-TEST.
The plant-based butter alternative margarine did not really score in a test from 2021 at ÖKO-TEST. You can read here at CHIP.de how the alternative works. You can find out more about the butter test, the products and the results Read it for a fee at ÖKO-TEST.