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Pronunciation: ah′gar, ā′gar

Definition: A complex polysaccharide (a sulfated galactan) derived from seaweed (various red algae); used as a solidifying agent in culture media; it has the valuable properties of melting at 100°C, but not of solidifying until 49°C. Synthetic agars are also available.


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