The olive leaf contains a wide phenolic profile, of which the major elements are shown below:
- Oleuropein
- Hydroxytyrosol
- Rutin
- Catechin
- Luteolin
- Diosmetin
- Caffeic acid
- Verbascoside
- Vanillic acid
- Tyrosol
- Vanillin
The two most prominent biophenols found in olive leaf extract are oleuropein and hydroxytyrosol.1
Reference
- Vogel P, Machado I, Garavaglia J, et al. Polyphenol benefits of olive leaf (Olea europaea L.) to human health. Nutr Hosp. 2015;31(3):1427–33.