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Büchner extract

Pronunciation: buk'ner

Definition: a cell-free extract of yeast, such as was prepared by Eduard and Hans Büchner who observed it to catalyze alcoholic fermentation; this observation essentially eliminated “vitalism” as being responsible for biologic chemical reactions and initiated the beginnings of modern biochemistry (enzymology).

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