Conversely, little is known about the loss of anthocyanins and
carotenoids during the processing and after the cooking of pigmented
wheat products reported a total loss of anthocyanins
in purple wheat-bran muffins blended with other ingredients after
heat processing (at 177 C, for 7–12 min), although other factors
might be involved in anthocyanin degradation, such as light and
storage conditions