A study from the University of California, Davis in 2020 found that a majority of avocado oil sold in the US is either spoiled before its expiration date or is spoiled with other oils. In some cases, the researchers found that bottles labeled as “pure” or “extra virgin” avocado oil is soybean oil.
- "What is unrefined, extra virgin cold-pressed avocado oil?". www.aocs.org. Retrieved 2021-05-18.
- Green, Hilary S.; Wang, Selina C. (2020). "First report on quality and purity evaluations of avocado oil sold in the US". Food Control. 116: 107328. doi:10.1016/j.foodcont.2020.107328.
- "Warning on Avocado Oil Sold in the U.S.: 82% Tested Rancid or Mixed With Other Oils". SciTechDaily. June 17, 2020.