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darkening reaction

Catalogue: GRDC Final Reports
The rapid, early phase of non-PPO darkening was strongly correlated with, and predicted by, protein content... Non-PPO darkening can be measured with small-scale methods suited to processing large numbers of samples and a major component of this darkening can be predicted simply from grain or flour protein content... Stage 1, an initial rapid darkening in the first two hours, Stage 2 an intermediate stage lasting a further 2 hours during which the rate of darkening slowed, and Stage 3 - lasting for the remainder of the experimental time period and beyond in which darkening was slower but linear over time...
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