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Recent Progress in Studies on the Health Benefits of Pyrroloquinoline Quinone

Recent Progress in Studies on the Health Benefits of Pyrroloquinoline Quinone

Mitsugu Akagawa, Masahiko Nakano, Kazuto Ikemoto

Biosci Biotechnol Biochem. 2016;80(1):13-22.

PMID: 26168402

Abstract:

Pyrroloquinoline quinone (PQQ), an aromatic tricyclic o-quinone, was identified initially as a redox cofactor for bacterial dehydrogenases. Although PQQ is not biosynthesized in mammals, trace amounts of PQQ have been found in human and rat tissues because of its wide distribution in dietary sources. Importantly, nutritional studies in rodents have revealed that PQQ deficiency exhibits diverse systemic responses, including growth impairment, immune dysfunction, and abnormal reproductive performance. Although PQQ is not currently classified as a vitamin, PQQ has been implicated as an important nutrient in mammals. In recent years, PQQ has been receiving much attention owing to its physiological importance and pharmacological effects. In this article, we review the potential health benefits of PQQ with a focus on its growth-promoting activity, anti-diabetic effect, anti-oxidative action, and neuroprotective function. Additionally, we provide an update of its basic pharmacokinetics and safety information in oral ingestion.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP72909343	Pyrroloquinoline quinone		72909-34-3	Price

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