A new study from the National Institute of Nutrition and Seafood Research (NIFES) has revealed that some private-label avocado oils are highly oxidized and rancid. The study tested a range of private-label avocado oils from major supermarkets in Norway, and found that some of them had oxidation levels far exceeding the maximum limit of 20%. This means that these oils contain high levels of free radicals, which can cause health problems if consumed in large quantities. The study also found that the rancidity of the oils was linked to their age and storage, rather than their quality. The researchers concluded that consumers need to be aware of the oxidation levels of private-label avocado oils, and should check the labels to ensure they are buying a high-quality product.

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source: Phys.org