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Variation in the human lipidome associated with coffee consumption as revealed by quantitative targeted metabolomics

Altmaier, Elisabeth; Kastenmüller, Gabi; Römisch-Margl, Werner; Thorand, Barbara; Weinberger, Klaus M.; Adamski, Jerzy; Illig, Thomas; Döring, Angela; Suhre, Karsten

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PMID: 19810022


The effect of coffee consumption on human health is still discussed controversially. Here, we report results from a metabolomics study of coffee consumption, where we measured 363 metabolites in blood serum of 284 male participants of the Cooperative Health Research in the Region of Augsburg study population, aged between 55 and 79 years. A statistical analysis of the association of metabolite concentrations and the number of cups of coffee consumed per day showed that coffee intake is positively associated with two classes of sphingomyelins, one containing a hydroxy-group (SM(OH)) and the other having an additional carboxy-group (SM(OH,COOH)). In contrast, long- and medium-chain acylcarnitines were found to decrease with increasing coffee consumption. It is noteworthy that the concentration of total cholesterol also rises with an increased coffee intake in this study group. The association observed here between these hydroxylated and carboxylated sphingolipid species and coffee intake may be induced by changes in the cholesterol levels. Alternatively, these molecules may act as scavengers of oxidative species, which decrease with higher coffee intake. In summary, we demonstrate strong positive associations between coffee consumption and two classes of sphingomyelins and a negative association between coffee consumption and long- and medium-chain acylcarnitines.

Automatic Tags

Humans; Male; Aged; Middle Aged; Cholesterol; Atherosclerosis; Metabolomics; Carnitine; Coffee; Sphingomyelins; Tandem Mass Spectrometry

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