👉 Porphyrin is a type of pigment found in plants, algae, and other organisms. It is composed of two molecules of iron (Fe) and two molecules of thallus (a type of pigments produced by bacteria). The iron molecule acts as an anchor for the thallus molecules, while the thallus molecules act as carriers for the iron. Porphyrins are found in a variety of tissues and organs throughout plants, algae, and microorganisms. They play critical