Differential scanning calorimetry (DSC) has been used to follow changes in the rate of development of an endotherm associated with the starch fraction of bread during ageing, as a result of ethanol treatment. Treatment consisted in painting the surface of loaves with ethanol after they had been baked and allowed to cool. DSC data were fitted to Avrami equations. The rate of development of the “staling endotherm” was lower for bread treated with alcohol than for untreated controls. For comparison, crumb compressibility measurements were made. It could be concluded that painting loaves with ethanol led to a reduction in the rate of increase of crumb modulus with storage time. The site of action of the alcohol remains to be established, although one possibility could be the amylose.
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Peter L. Russell (1983) studied this question.
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