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52 2013

Journal of Food and Nutrition Research
Súhrny čísla 3 / 2013

Krešić, G. – Dujmović, M. – Mandić, M. L. – Delaš, I.
Dietary and breast milk trans fatty acids seen in Croatian breastfeeding women from Adriatic region
Journal of Food and Nutrition Research, 52, 2013, č. 3, s. 156-163

Greta Krešić, Department of Food and Nutrition, Faculty of Tourism and Hospitality Management, University of Rijeka, Primorska 42, P. O. Box 97, 51410 Opatija, Croatia. Tel.:++385 51 294 714; fax:++385 51 292 965, e-mail: Greta.Kresic@fthm.hr

Súhrn: This paper aims to provide the information on the ratio of trans fatty acids (TFA) in breast milk obtained from 83 Croatian breastfeeding women at 3 months postpartum, and to relate that information to dietary TFA intake. The diet was evaluated using two consecutive 24-hour recalls, while breast milk fatty acid composition was determined using gas chromatography. The obtained results showed daily TFA intake to be 2.0?g or 0.8% daily energy intake. The major sources of TFA were bakery, confectionery and fried food (35.4%), together with dairy products (21.7%) and margarine (19.9%). Women having a high level of trans isomers in their milk consumed significantly higher amounts of the above products. The ratio of TFA in total fatty acids was 2.3%, and was inversely correlated to the ratio of arachidonic (r = –0.440, p = 0.040), linoleic (r = –0.275, p = 0.025) and alpha-linolenic (r = –0.213, p = 0.038) acids. It could be concluded that Croatian breastfeeding women should be advised on daily intake of foods which were identified as TFA sources, since TFA ratio in milk reflects mothers’ current diet and could negatively affect essential fatty acids metabolism.

Kľúčové slová: breast milk; breastfeeding women; diet; trans fatty acids

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