Liha töötlemine
ance of oxygen, except when meat is packed
in which the cofactor heme, a porphyrin ring
with high oxygen. In MAP-packs with
with an iron ion in its center, binds different
about 70% oxygen, the color is bright red.
ligands or in which the iron exists in the Fe2+
Oximyoglobin is not heat or light stable, and
or Fe3+ state. In the native myoglobin, the
porphyrin moiety (Fig. 6.14) is supported in
the ligand binding by amino acids of neigh-
boring protein. COO– COO–
In its “original” state, myoglobin with CH2 CH2
Fe2+ in the porphyrin cofactor does not bind CH2 CH2
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