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The effects of acute interval exercise and strawberry intake on postprandial lipemia

O’Doherty, Alasdair; Jones, Huw S.; Sathyapalan, Thozhukat; Ingle, Lee; Carroll, Sean


Alasdair O’Doherty

Huw S. Jones


Purpose: Raised postprandial triglycerides (TAG) and related oxidative stresses are strongly associated with increased cardiovascular disease (CVD) risk. Acute exercise and strawberry ingestion independently ameliorate postprandial lipid excursions and oxidative stress. However, the combined effects of these lifestyle interventions is unknown. We investigated whether acute exercise and strawberry consumption improved postprandial responses to an oral fat tolerance test (OFTT) in overweight/obese males. Methods: Overweight/obese adult males underwent four separate OFTT (73g fat, 33g carbohydrate) with blood sampled at baseline and hourly for 4 h after OFTT. Two OFTT contained 25g freeze-dried strawberries and two contained strawberry flavouring (placebo). Participants performed 40 minutes of submaximal high intensity interval cycling exercise (HIIE) 16 h before one strawberry and one placebo OFTT, and rested before the remaining two OFTT. Serum TAG was analysed and TAG area under curve (AUC) and incremental AUC (iAUC) were calculated. Oxidative stress markers were measured at baseline and 4 h. Differences between conditions (strawberry/placebo and exercise/rest) were assessed using repeated measures ANOVA. Results: Ten males (Age, 31.5 IQR 17.8 years; BMI, 29.9 ±1.8 kg.m-2) completed the study. TAG AUC was 1.5 mmol.4h-1.L-1 lower for the exercise conditions compared to the rest conditions (95% confidence interval [CI]= -2.3 to 0.8, p= 0.001). TAG AUC was not different between the strawberry and placebo conditions (CI= -1.3 to 0.6, p= 0.475). TAG iAUC was 0.5 mmol.4h-1.L-1 greater for the strawberry compared to the placebo conditions (CI= 0.1 to 1.0, p= 0.021). There were no changes in markers of lipid related oxidative stress (P> 0.05). Conclusion: Acute submaximal HIIE appears effective in reducing postprandial lipaemia in overweight/obese adult males. However, strawberry ingestion did not improve postprandial TAG.


O’Doherty, A., Jones, H. S., Sathyapalan, T., Ingle, L., & Carroll, S. (2017). The effects of acute interval exercise and strawberry intake on postprandial lipemia. Medicine and Science in Sports and Exercise, 49(11), 2315-2323.

Journal Article Type Article
Acceptance Date May 30, 2017
Publication Date Nov 1, 2017
Deposit Date Jun 28, 2017
Publicly Available Date Jun 12, 2018
Journal Medicine & science in sports & exercise
Print ISSN 0195-9131
Electronic ISSN 1530-0315
Publisher Lippincott, Williams & Wilkins
Peer Reviewed Peer Reviewed
Volume 49
Issue 11
Pages 2315-2323
Keywords OFTT; Polyphenols; High-intensity interval exercise; Triglycerides; Lipids
Public URL
Publisher URL
Additional Information This is a description of an article which has been published in: Medicine & science in sports & exercise