porphyrin
Kelime Anlamı :
1. Kırmızı boyalı madde olup kısmen hemoglobin, kısmen klorofilden meydanag elir, porfirin.
2. porfirin.
Tanımlar :
1.
any of various organic compounds containing four pyrrole rings, occurring universally in protoplasm, and functioning as a metal-binding cofactor in hemoglobin, chlorophyll, and certain enzymes.
from The American Heritage® Dictionary of the English Language, 4th Edition
1.
any of a class of heterocyclic compounds containing four pyrrole rings arranged in a square; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.).
from Wiktionary, Creative Commons Attribution/Share-Alike License