The Effect of Walnut Consumption on n -3 Fatty Acid Profile of Healthy People Living in a Non-Mediterranean West Balkan Country, a Small Scale Randomized Study

The Effect of Walnut Consumption on n -3 Fatty Acid Profile of Healthy People Living in a Non-Mediterranean West Balkan Country, a Small Scale Randomized Study

People living in non-Mediterranean West Balkan countries have diets with a low -3 polyunsaturated fatty acid (PUFA) content. Walnuts, a traditional Serbian food, could be an excellent source of -3 PUFA. The first sub-study evaluated the fatty acid and mineral content of Serbian walnuts, demonstratin...

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Bibliographic Details
Published in:Nutrients Vol. 12; no. 1; p. 192
Main Authors: Petrović-Oggiano, Gordana, Debeljak-Martačić, Jasmina, Ranković, Slavica, Pokimica, Biljana, Mirić, Alma, Glibetić, Maria, Popović, Tamara
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 10-01-2020
MDPI
Subjects:
Carbohydrates
Diet
Dietary minerals
Eicosapentaenoic acid
Evaluation
Fatty acids
Food
Health care
Juglans regia
Linolenic acid
Medical research
n-3 pufa
non-mediterranean west balkan country
Nutrient deficiency
Nuts
Proteins
Randomization
small scale randomized study
Software
walnut consumption
Walnuts
Victoria Australia
Serbia
Australia
United States > US
small scale randomized study
n-3 PUFA
non-Mediterranean West Balkan country
walnut consumption
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Summary:People living in non-Mediterranean West Balkan countries have diets with a low -3 polyunsaturated fatty acid (PUFA) content. Walnuts, a traditional Serbian food, could be an excellent source of -3 PUFA. The first sub-study evaluated the fatty acid and mineral content of Serbian walnuts, demonstrating that walnuts had the high content of linolenic acid (C18:3, -3 ALA). The second sub-study assessed the consumption of walnuts ( L.) and total -3-fatty acid intake in apparently healthy Serbian residents, using 24-h dietary recalls ( = 352). An inadequate intake of -3 fatty acids and a low consumption of walnuts was seen. Additionally, we evaluated the fatty acid profile of healthy Serbian adults ( = 110) and finally, via a randomized intervention 4-weeks study, we assessed the effects of walnut consumption on -3 fatty acid profile of participants ( = 18). The plasma content of -3 PUFA was low and the -6/ -3 ratio was high in our study participants. The -3 plasma fatty acid profile was improved after 4 weeks of walnut consumption, meaning that ALA, eicosapentaenoic acid, and total -3 were significantly increased. The results of our study pointed out the potential health benefits of walnuts consumption on amelioration of the -3 fatty acid profile that should be taken into account in preventive management programs. The higher conversion of ALA to EPA (>10%) in examined study participants, suggests the importance of a moderate walnut consumption.
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ISSN:2072-6643
2072-6643
DOI:10.3390/nu12010192