Distribution of Redox Enzymes in Millstreams and Relationships to Chemical and Baking Properties of Flour

From: Cereal Chemistry | Date: January 1, 2006| Author: | Copyright information

ABSTRACT

Millstream flours, bran, pollard, and germ fractions were prepared from two Australian and two New Zealand wheat cultivars using a pilot-scale roller mill. The distribution of six redox enzymes in milling fractions and the relationship of the enzymes to baking parameters were investigated. Lipoxygenase (LOX), dehydroascorbate reductase (DAR), and protein disulfide isomerase (PDI) tended to be higher in the tail-end fractions of break and reduction flour streams, but the highest levels were in the bran, pollard, and germ fractions. These enzymes had moderate to strong correlations ...

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