Total compounds, including isomers, detected in the free and bound phenolic fractions of wheat grains.

<p>NPF, number of free phenolic compounds; NPB, number of bound phenolic compounds; NPT, total number of phenolic compounds; M, modern cultivar; O, old cultivar.</p><p>Values are expressed as means ± SEM for triplicates. Means in the same column with common letters are not significantly different (<i>p</i><0.05).