Skip to main content

Table 2 Main phenolic compounds of olive mill wastewaters (OMWW) extracts

From: Effects of dietary supplementation with polyphenols on meat quality in Saanen goat kids

Main compounds mg/kg Percent
Hydroxytyrosol 20,829 21.27
Flavonoid 3278 3.35
Tyrosol 3947 4.03
Caffeic acid 9991 10.20
Verbascoside 17,449 17.82
Hydroxytyrosol derivatives (OHTY-glycol, OHTY-glucoside, 3,4-diidrossifenilethanol – 3,4-DHPEA Elenolic acid mono-Aldehyde, 3,4-DHPEA– AC hydroxytyrosol acetate) 26,826 27.40
Verbascoside derivatives (isoverbascoside, β-hydroxyverbascoside,β-hydroxyisoverbascoside) 6498 6.64
Other derivatives of cinnamic acid (cinnamic acid, o-, p- coumaric acid, ferulic acid) 3372 3.44
Caffeic acid derivatives (chlorogenic acid, neochlorogenic acid, 1-O-caffeoylquinic acid, 3,5-O-dicaffeoylquinic acid) 4681 4.78
Other polyphenols 1055 1.08
Total polyphenols (TPC) (mg/kg) 97,926  
Antioxidant activity (mmolitrolox/kg sample) 8521