abstract |
Extracts from olives and/or from the solid residues of olives after the extraction of olive oil, contain hydroxytyrosol and tyrosol, are free from hydroxymethylfurfural and free from sugars, have a content of hydroxytyrosol of at least 0.5% (w/w) and the hydroxytyrosol purity is at least 40% (by HPLC 280nm). |