International unit

{
  "id": "MLC-T-CHM-005977",
  "term": "International unit",
  "field": "Chemistry",
  "definition": "A unit of measurement for the amount of a substance, such as a vitamin, hormone, enzyme, or drug, based on its biological activity or effect. This unit is established by an international committee and is specific to each substance, defined by a reference preparation. For example, one International Unit of insulin is defined by its ability to lower blood glucose in a standard animal model.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "assay"
  ],
  "references": [
    "PAC, 1994, 66, 2587. 'Glossary of bioanalytical nomenclature - Part 1: General terminology, body fluids, enzymology, immunology (IUPAC Recommendations 1994)' on page 2593 (https://doi.org/10.1351/pac199466122587)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/international-unit/"
}