Assertion: virgin olive oil | /r/MadeOf | antioxidant
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Source sentences:
text: Ferrara explains that only extra-virgin olive oil contains antioxidants called "polyphenols," which he and his fellow researchers think may be responsible for the drop in blood pressure seen in this study.
text: Virgin olive oils also contain the antioxidants beta-carotene and Vitamin E, as well as the phenolic compounds tyrosol and hydroxytyrosol.