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 |