noun

• 1Biochemistry
  A crystalline compound which occurs widely in connective tissue, especially as a component of chitin.

  A glucose derivative containing an amino group; chemical formula: C₆H₁₃NO₅

  ‘In addition, experiments were conducted at sea to measure the growth of heterotrophic bacteria in response to amendments of amino acids, protein, N-acetyl glucosamine, and chitin.’

  More example sentences

  • ‘An example of recurrent mutation in human beings is the ABO blood group, where types A and B are functional alleles that control enzymes that link glucosamine or n-acetyl glucosamine to a common precursor.’
  • ‘Glutamine is an energy source for enterocytes of the small intestine, helps form nicotinamide for energy transfers and glucosamine for connective tissue, and contributes to purine and pyrimidine nucleotides.’
  • ‘Once it reaches the chondrocytes, the cells that produce cartilage, the glucosamine is incorporated.’
  • ‘Estimation of the absolute configuration of glucosamine in lipids A was established as given elsewhere [39, 40].’

  1. 1.1A synthesized form of glucosamine, taken to relieve arthritis pain.
     ‘Others will have to rely on acetaminophen or dietary supplements such as glucosamine, ginger, turmeric or boswellia.’
     More example sentences

     • ‘Some evidence suggests that the dietary supplement glucosamine probably improves osteoarthritis symptoms.’
     • ‘Some find dietary supplements such as glucosamine and chondroitin helpful.’
     • ‘Examples of herbs include ginseng, ginkgo and echinacea, while examples of other dietary supplements include selenium, glucosamine and SAMe.’
     • ‘The New England Journal of Medicine recently published a trial to examine the effectiveness of glucosamine and chondroitin for pain and arthritis, with fairly inconclusive results.’