Definition of histidine in English:
histidine
noun ˈhɪstɪdiːnˈhɪstəˌdin
mass nounBiochemistry A basic amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates, and is the source from which histamine is derived in the body.
Chemical formula: C₆H₉N₃O₂
Example sentencesExamples
- Amino acids like histidine and glutamic acid that readily form complexes with chromium were also shown to increase absorption.
- In humans, histamine is synthesized from histidine, a conditionally-essential amino acid.
- The most prevalent amino acid is cysteine with other major ones including tyrosine, histidine, lysine and arginine.
- The amount of the amino acids threonine, proline and histidine were also increased in roots of slag-cultivated maize plants.
- Children also require two further amino acids, histidine and arginine.
Origin
Late 19th century: from Greek histos 'web, tissue' + -ide + -ine4.