PMID:
J Nutr Metab. 2020 ;2020:5349086. Epub 2020 Jan 7. PMID: 31998536
Abstract Title:
Miso Soup Consumption Enhances the Bioavailability of the Reduced Form of Supplemental Coenzyme Q.
Abstract:
Coenzyme Q(CoQ) is an essential compound that is involved in energy production and is a lipid-soluble antioxidant. Although it has been proposed as an antiaging and a health-supporting supplement, its low bioavailability remains a significant issue. Concurrent food intake enhances the absorption of orally administered CoQ, but it has not been fully established whether specific food substances affect intestinal CoQabsorption. Therefore, to determine whether the bioavailability of supplemental CoQis affected by diet, P30, a granulated and reduced form of CoQ, was dispersed in four different foods, clear soup, miso soup, milk soup, and raw egg sauce. Those foods which contained CoQwere consumed on different occasions at intervals of 6-14 weeks by the same participants. Thirteen participants were recruited in the single-dose and repeated clinical study. When miso soup containing P30 was provided, the serum CoQconcentration increased faster than when participants consumed other P30-containing soups or a P30-containing raw egg sauce. The area under the curve for serum CoQduring the first 5 h after consumption of the P30-containing miso soup was approximately 1.5 times larger than those after the consumption of other P30-containing meals. These data imply that the absorption of CoQsupplements can be enhanced by consuming them with food and in particular with specific food substances, such as miso soup.
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