From: Phenolic compounds as natural feed additives in poultry and swine diets: a review
Class | Structure |
---|---|
Simple phenolics, benzoquinones | C6 |
Hydroxybenzoic acids | C6-C1 |
Acetophenones, phenylacetic acids | C6-C2 |
Hydroxycinnamic acids, phenylpropanoids | C6-C3 |
Xanthones | C6-C1-C6 |
Stilbenes, anthraquinones | C6-C2-C6 |
Flavonoids, isoflavonoids | C6-C3-C6 |
Lignans, neolignans | (C6-C3)2 |
Lignins | (C6-C3)n |
Condensed tannins (proanthocyanidins or flavolans) | (C6-C3-C6)n |