Meat fatty acid profile of pigs fed linseed enriched diet

Djordje Okanovic,A Mandic,D Palic,D Ivanov,N Ilic

doi:10.2298/bah1203477o

Abstract

The aim of this study was to evaluate the influence of diet supplemented with linseed rich additive on fatty acid profile and omega-fatty acids content in pig meat. Twelve pigs were divided in a control and experimental group and grown to 110 kg of live weight. The experimental group was fed a standard diet enriched with 2.5% of commercial additive Vitalan?. After the end of feeding period, the meat samples from both groups were analyzed for fatty acids content in raw and roasted meat. The ratio between omega-6 and omega-3 acids was established. Samples from experimental group fed with linseed enriched diet showed higher ?-3 acids content in meat (6.24% - 7.23%), compared to the control group (0.71% - 1.64%), thus making it better for a human consumption from a health perspective. Linseed enriched diet positively influenced fatty acid composition of pig M. Longissimus dorsi muscle by decreasing SFA content, as well as increasing PUFA and UFA content. Heat treatment did not significantly decreased content of stearic and linoleic fatty acids in any sample. It was concluded that the diet enriched with extruded linseed had beneficial effect on the majority of monitored parameters in the study.

Highlights

Many clinical, epidemiological and biological studies suggest that dietary fats play an important role in human health and well being (Gebauer et al, 2006)
Most common way to perform this is by enriching the animal feed with fish oil/fish meals or with plant oils rich in n-3 polyunsaturated fatty acids (PUFA) or seed meals such as linseed (Raes et al, 2004; Kouba et al, 2003; Stevanović et al, 2011)
The overall aim of the study was to improve the nutritional value of pig meat using linseed enriched diet, making it a good source of beneficial n-3 fatty acids

Summary

Introduction

Epidemiological and biological studies suggest that dietary fats play an important role in human health and well being (Gebauer et al, 2006) Results from those studies ascribe a particular significance to n-3 polyunsaturated fatty acids (PUFA). Sretenović et al, (2009), the significance of omega-3 fatty acids in human nutrition is presented As essential substances they cannot be synthesized in the organism, but have to be introduced through diet. Monogastric animals (like pigs) are better target for this approach because the dietary fatty acids are absorbed from the intestine unchanged In this way, composition of fatty acids in meat could be modified by dietary means improving nutritional and health value of the meat (Enser et al, 2000)

Objectives

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Results

Conclusion