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Percent content (w/w) of oleuropein and hydroxytyrosol in different olive leaf extracts.
| RE | SE | EF | |
|---|---|---|---|
| Oleuropein | 21.4 ± 0.3 | 43.2 ± 1.4 | 60.1 ± 0.3 |
| Hydroxytyrosol | 0.37 ± 0.04 | 0.91 ± 0.03 | n.d. |
Data are means ± s.d. of three independent measures. RE: raw extract; SE: subextract; EF: oleuropein-enriched fraction; n.d.: not detected.
