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Quality Characteristics of a Low‐Fat Beef Patty Enriched by Polyunsaturated Fatty Acids and Vitamin D3

Abstract

Olive and linseed oils have high contents of oleic acid and n‐3 fatty acids (FA), respectively. Vitamin D3, an essential nutrient, is in low contents in meat. This study investigated the potential application of olive and linseed oils’ mixture as a backfat replacer, and vitamin D3 as a supplement, in order to develop a product enriched by polyunsaturated FAs and vitamin D3. Two treatments were manufactured: conventional (C: 0% emulsion, 0 μg vitamin D3/100 g product) and modified (M: 10.9% emulsion/, 8.3 μg vitamin D3/100 g product). The quality characteristics and cooking effects on the FA and vitamin D3 contents were assessed. The sensory properties of cooked patties were not affected by olive and linseed oils’ mixture (P > 0.05). The instrumental textural parameters were lower in cooked M patties (P < 0.01), except springiness (P = 0.766) that was not affected by formulation. The contents of α‐linoleic acid in M patty were 19‐fold higher than those from C patty. The contents of n‐3 and n‐6 were higher in M patty (P < 0.05) than in C patty. Although cooking decreased the content of vitamin D3 in M patty (6.7 compared with 5.2 μg/100 g product), considerable increments were achieved compared to C patty.

Practical Application

There is an increasing demand of consumers for healthier meat products; therefore, the improvement of their nutritional profile without negatively affecting quality characteristics is key factor for meat sector. This study emphasizes the feasibility of using the combination of olive and linseed oils’ mixture and vitamin D3 to yield new meat products with high contents of polyunsaturated fatty acids and vitamin D3. The effectiveness of combination of oils mixture and vitamin D3 tested in this study is proven and the high contribution of vitamin D3 and some fatty acids of nutritional interest identified.

Authors:   Inmaculada Gómez, María Victoria Sarriés, Francisco C. Ibañez, María José Beriain
Journal:   Journal of Food Science
Year:   2018
Pages:   n/a
DOI:   10.1111/1750-3841.14043
Publication date:   19-Jan-2018
Facts, background information, dossiers
  • polyunsaturated fatty acids
  • oleic acid
  • linoleic acid
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