3.2.1. Milling process
Table 2 showed the levels of bioactive compounds, TAC and YP,
and of TEAC, of the different purple and conventional flours and
pasta.
In PDW, a significant decrease in TAC was observed going from
the wholemeal (73.41 lg/g) to the semi-wholemeal (66.49 lg/g),
and finally, to the semolina (24.40 lg/g). These results confirm that
the anthocyanins are mainly located in the pericarp of the grain
and are gradually lost during the milling process