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    J Clin Invest. 1967 Oct;46(10):1589-95.

    Brain metabolism during fasting.

    Abstract

    Catheterization of cerebral vessels in three obese patients undergoing 5-6 wk of starvation demonstrated that beta-hydroxybutyrate and acetoacetate replaced glucose as the predominant fuel for brain metabolism. A strikingly low respiratory quotient was also observed, suggesting a carboxylation mechanism as a means of disposing of some of the carbon of the consumed substrates.

    PMID:
    6061736
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC292907
    Free PMC Article

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