Effects of hazelnut consumption on blood lipids in hyperlipidemic adults: A RCT

Document Type : Research Paper

Authors

1 Almaty Technological University, Department “Food Biotechnology,” Tole bi 100 St., Almaty, Kazakhstan

2 Kazakh National Women’s Teacher Tranıng University, Gogolya 112/1, Almaty, Kazakhstan

3 Kazakh-Russian Medical University, Department of Anatomy with Physiology Courses, Torekulova St., 13, Almaty, Kazakhstan

4 Institute of Genetics and Physiology, Al-Farabi St., 93, Almaty, Kazakhstan

5 Chemistry Department, Kazakh National medical University named afterS.D. Asfendiyarov, Almaty, Kazakhstan

6 Department of Biology, Faculty of Natural Sciences and Geography, Kazakh National Pedagogical University, Almaty, Kazakhstan

10.22124/cjes.2024.7849

Abstract

Hyperlipidemia is a major risk factor for cardiovascular disease, necessitating effective dietary interventions. This randomized controlled trial (RCT) searched the impacts of hazelnut consumption on blood lipids in hyperlipidemic adults, emphasizing innovative approaches to optimize outcomes. Two hundred hyperlipidemic adults were randomized into intervention and control groups. The intervention group received tailored hazelnut doses based on body weight for 12 weeks, while the control group maintained their usual diet. Advanced lipid profiling and biomarker analyses were employed to assess hazelnut bioavailability and lipid metabolism. Hazelnut consumption led to significant improvements in lipid profiles compared to the control group. Participants receiving higher hazelnut doses demonstrated greater reductions in total cholesterol (p < 0.05) and LDL cholesterol (p < 0.01), with sustained effects observed during a 12-week follow-up. Biomarker analyses revealed enhanced bioavailability of beneficial nutrients from hazelnuts, supporting their lipid-lowering effects. This study innovatively explored hazelnut dosing based on body weight to establish a dose-response relationship. Advanced lipid profiling provided mechanistic insights into hazelnut-mediated lipid metabolism changes. Additionally, a behavioral intervention combining hazelnut consumption with dietary counseling enhanced participant engagement and adherence. Hazelnut consumption, particularly at optimized doses, demonstrates promising effects on blood lipids in hyperlipidemic adults. Our findings support the integration of hazelnuts into personalized dietary recommendations for lipid management.

Keywords

References

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Caspian Journal of Environmental Sciences

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Available Online from 02 July 2024

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