Hydroxytyrosol, antioxidant and free radical scavenging ability is higher than some other synthetic and natural compounds. According to an authoritative data from the Brunswick Laboratory in Boston, Massachusetts, USA.
Hydroxytyrosol, also known as 3,4-dihydroxyphenethyl alcohol, has a CAS number of 10597-60-1, mainly found in olive leaves. There is also a certain content in olive oil and wastewater produced by processing olive oil.