What does porphyrin mean?
Definitions for porphyrin
ˈpɔr fə rɪnpor·phyrin
This dictionary definitions page includes all the possible meanings, example usage and translations of the word porphyrin.
Princeton's WordNet
porphyrinnoun
any of various pigments distributed widely in living tissues
Wiktionary
porphyrinnoun
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.).
Etymology: * From the Greek πορφύρα (porphyra)
Wikipedia
Porphyrin
Porphyrins ( POR-fər-in) are a group of heterocyclic macrocycle organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (=CH−). The parent of porphyrin is porphine, a rare chemical compound of exclusively theoretical interest. Substituted porphines are called porphyrins. With a total of 26 π-electrons, of which 18 π-electrons form a planar, continuous cycle, the porphyrin ring structure is often described as aromatic. One result of the large conjugated system is that porphyrins typically absorb strongly in the visible region of the electromagnetic spectrum, i.e. they are deeply colored. The name "porphyrin" derives from the Greek word πορφύρα (porphyra), meaning purple.
ChatGPT
porphyrin
Porphyrin is a group of organic compounds, many of which are biologically significant due to their participation in crucial life processes. They are characterized by a large ring-like structure composed of four smaller pyrrole rings linked by methine bridges. Important porphyrins include heme, chlorophyll, and vitamin B12, which play key roles in oxygen transportation, photosynthesis, and cell metabolism respectively.
Wikidata
Porphyrin
Porphyrins are a group of organic compounds, many naturally occurring. One of the best-known porphyrins is heme, the pigment in red blood cells; heme is a cofactor of the protein hemoglobin. Porphyrins are heterocyclic macrocycles composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges. Porphyrins are aromatic. That is, they obey Hückel's rule for aromaticity, possessing 4n+2 π electrons delocalized over the macrocycle. Thus porphyrin macrocycles are highly conjugated systems. As a consequence, they typically have very intense absorption bands in the visible region and may be deeply colored; the name porphyrin comes from a Greek word for purple. The macrocycle has 26 pi electrons in total. The parent porphyrin is porphine, and substituted porphines are called porphyrins. The specific porphyrin in heme B is called protoporphyrin IX and has 4 methyl, two vinyl, and two propionic acid substituents at the indicated positions.
Matched Categories
Usage in printed sourcesFrom:
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Numerology
Chaldean Numerology
The numerical value of porphyrin in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of porphyrin in Pythagorean Numerology is: 4
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Translations for porphyrin
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"porphyrin." Definitions.net. STANDS4 LLC, 2024. Web. 23 Dec. 2024. <https://www.definitions.net/definition/porphyrin>.
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