Abstract:
:Previous studies show that long term variations in dietary fat consumption impact circulating fatty acid ethanolamide (FAE) concentrations, however, few studies have investigated short term effects of dietary fat feeding on FAE levels. The trial's objective was to explore the effect of acute feeding of varying amounts of dietary n-9 and n-3 fatty acids on plasma and organ levels of FAE. Sixty-four rats were assigned to four groups fed meals containing 40% of energy as either safflower oil (control), canola oil (CO), or DHA rich oil (DRO), each consumed as a bolus within a 2-h window. Plasma and tissue FAE levels were measured at 3, 6, 12 and 24 h following the bolus. FAE profiles over time exhibited patterns that were specific both to FAE and to dietary fat type provided. At 3 h, plasma and liver OEA levels were higher (p < 0.05) in the 95% CO:5% DRO compared with other groups. At 12 h, plasma PEA levels were lower (p < 0.05) in the 50% CO:50% DRO group compared to the 95% CO group. Plasma DEA levels showed an increase (p < 0.05) only after 24 h of feeding. All four dietary groups manifested increased DEA levels in a dose-dependent manner. Data demonstrate that a single meal feeding of diets with different ratios of fat types impacts tissue levels of FAE within a short time frame, which could further influence the physiological roles of FAE on appetite regulation and energy expenditure.
journal_name
Lipidsjournal_title
Lipidsauthors
Olatinsu AO,Sihag J,Jones PJHdoi
10.1007/s11745-017-4293-7subject
Has Abstractpub_date
2017-11-01 00:00:00pages
901-906issue
11eissn
0024-4201issn
1558-9307pii
10.1007/s11745-017-4293-7journal_volume
52pub_type
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