Metmyoglobin
id:
metmyoglobin-281-4705233
title:
Metmyoglobin
text:
Metmyoglobin is the oxidized form of the oxygen-carrying hemeprotein myoglobin. Metmyoglobin is the cause of the characteristic brown colouration of meat that occurs as it ages. In living muscle, the concentration of metmyoglobin is vanishingly small, due to the presence of the enzyme metmyoglobin reductase, which, in the presence of the cofactor NADH and the coenzyme cytochrome b4 converts the Fe3+ in the heme prosthetic group of metmyoglobin back to the Fe2+ of normal myoglobin.
In meat, which
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Metmyoglobin
date created:
date modified:
2022-11-07T03:28:37Z
main entity:
{"identifier":"Q426464","url":"https://www.wikidata.org/entity/Q426464"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/6/60/Myoglobin.png","width":1159,"height":1173}
fields total:
13
integrity:
14