Intake of Calanus finmarchicus oil for 12 weeks improves omega-3 index in healthy older subjects engaging in an exercise programme

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  • Justus Liebig University Giessen
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Original languageEnglish
Pages (from-to)432-439
Number of pages8
JournalThe British journal of nutrition
Volume125
Issue number4
Early online date23 Jul 2020
Publication statusPublished - 28 Feb 2021

Abstract

The n-3 PUFA, EPA and DHA, play an important role in human health. As the intake of EPA and DHA from the diet is often inadequate, supplementation of those fatty acids is recommended. A novel source of n-3 PUFA is Calanus finmarchicus oil (CO) which contains fatty acids mainly bound in wax esters. To date, no data are available on the effects of long-Term intake of this marine oil on n-3 PUFA blood levels. Therefore, the aim of this study was to evaluate the effect of CO on the n-3 PUFA blood levels using the omega-3 index (O3I). The data originate from a larger randomised controlled trial. For this analysis, samples from seventy-Two participants (59·2 (sd 6·2) years, BMI 27·7 (sd 5·28) kg/m2) were analysed. Of those, thirty-six performed 2×/week exercise and received 2 g of CO, which provided 124 mg stearidonic acid (SDA), 109 mg EPA and 87 mg DHA daily (EXCO group), while the other group performed exercise only (EX group) and served as a control for this analysis. The O3I increased from 6·07 (sd 1·29) % at baseline to 7·37 (sd 1·10) % after 12 weeks within the EXCO group (P < 0·001), while there were no significant changes in the EX group (6·01 (sd 1·26)-6·15 (sd 1·32) %, P = 0·238). These data provide first evidence that wax ester-bound n-3 PUFA from CO can significantly increase the O3I despite relatively low EPA + DHA amounts. Further, the effects of exercise could be excluded.

Keywords

    DHA, EPA, marine oil, polyunsaturated fatty acids, wax ester, PUFA, Marine oil, Wax esters

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

Intake of Calanus finmarchicus oil for 12 weeks improves omega-3 index in healthy older subjects engaging in an exercise programme. / Wasserfurth, Paulina; Nebl, Josefine; Boßlau, Tim Konstantin et al.
In: The British journal of nutrition, Vol. 125, No. 4, 28.02.2021, p. 432-439.

Research output: Contribution to journalArticleResearchpeer review

Wasserfurth P, Nebl J, Boßlau TK, Krüger K, Hahn A, Schuchardt JP. Intake of Calanus finmarchicus oil for 12 weeks improves omega-3 index in healthy older subjects engaging in an exercise programme. The British journal of nutrition. 2021 Feb 28;125(4):432-439. Epub 2020 Jul 23. doi: 10.1017/S0007114520002809, 10.15488/12660
Wasserfurth, Paulina ; Nebl, Josefine ; Boßlau, Tim Konstantin et al. / Intake of Calanus finmarchicus oil for 12 weeks improves omega-3 index in healthy older subjects engaging in an exercise programme. In: The British journal of nutrition. 2021 ; Vol. 125, No. 4. pp. 432-439.
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AU - Krüger, Karsten

AU - Hahn, Andreas

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N1 - Funding Information: First of all, the authors would like to thank all participants who took part in our study, and the fitness centres that supported the implementation of this study. Further, the authors thank Calanus AS for providing the CO capsules, Heike Kohrs for technical assistance and Dr Erinn Gideons for proofreading our manuscript. This research received no external financial support.

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