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Pronunciation: di'a-stas

Definition: A mixture, obtained from malt and containing amylolytic enzymes (principally a- and ß-amylases), that converts starch into dextrin and maltose; used to make soluble starches, to aid in digestion of starches in certain types of dyspepsia, and to digest glycogen in histologic sections.

[Fr., fr. G. diastasis, separation, fr. dia, apart + histemi, to make to stand]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.