Indole-5,6-quinone

Indole-5,6-quinone is an indolequinone, a chemical compound found in the oxidative browning reaction of fruits like bananas where it is mediated by the tyrosinase type polyphenol oxidase from tyrosine and catecholamines leading to the formation of catechol melanin. ^[1]

8 relations: Catecholamine, Dopachrome, Food browning, Indolequinone, Melanin, Quinone, Tyrosinase, Tyrosine.

Catecholamine

A catecholamine (CA) is a monoamine, an organic compound that has a catechol (benzene with two hydroxyl side groups at carbons 1 and 2) and a side-chain amine.

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Dopachrome

Dopachrome is a cyclization product of L-DOPA and is an intermediate in the biosynthesis of melanin.

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Food browning

Browning is the process of food turning brown due to the chemical reactions that take place within.

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Indolequinone

Indolequinones are molecules which are based upon an indole but have two additional ketone groups (quinone) attached to the ring structure.

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Melanin

Melanin (from μέλας melas, "black, dark") is a broad term for a group of natural pigments found in most organisms.

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Quinone

The quinones are a class of organic compounds that are formally "derived from aromatic compounds by conversion of an even number of –CH.

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Tyrosinase

Tyrosinase is an oxidase that is the rate-limiting enzyme for controlling the production of melanin.

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Tyrosine

Tyrosine (symbol Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins.

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References

[1] https://en.wikipedia.org/wiki/Indole-5,6-quinone

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Indole-5,6-quinone

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