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[mass noun] An enzyme that converts cellulose into glucose or a disaccharide.
- ‘As is erodes, it releases the digestive enzymes, amylase, lipase, and cellulase.’
- ‘A good digestive enzyme should include lipase to digests fats, amylase for carbohydrates, protease for proteins, cellulase for cellulose and fiber, and lactase for dairy.’
- ‘In the discussion, Kimball Atwood proposed that it might be possible to put the enzyme cellulase into humans, so that people could consume paper.’
- ‘They did not yield isoprimeverose; additionally, charophyte material was not digestible with xyloglucan-specific endoglucanase or cellulase to give xyloglucan-derived oligosaccharides.’
- ‘As such, it's an abundant source of energy, but most animals lack the enzyme cellulase, which breaks the bonds that lock the individual sugar molecules together.’
Early 20th century: from cellulose + -ase.
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