Physicochemical and nutritional composition of dry-cured duck breast
2011
Lorenzo, J.M. | Purriños, L. | Temperán, S. | Bermúdez, R. | Tallón, S. | Franco, D.
A total of 80 dry-cured duck breasts were used in this study. The gross composition, color and textural parameters, fatty acid and amino acid profiles, macro- and micromineral content, and sensory properties were analyzed. In comparison with other dry-cured meat products made from cuts of whole meat, dry-cured duck breast is characterized by low moisture and a higher protein content. Saturated, monounsaturated, and polyunsaturated fatty acid contents in intramuscular fat were approximately 35, 57, and 8% of the total fatty acid methyl esters, respectively. The main essential amino acids present in dry-cured duck breast were lysine and leucine, followed by valine, threonine, and isoleucine, with aspartic and glutamic acids being the most important in the nonessential fraction. Dry-cured duck breast proved to be a valuable source of iron, zinc, copper, and manganese (7.57, 4.66, 0.84, and 0.87 mg/100 g of edible portion, respectively), providing approximately 57, 45.2, 93, and 43.7% of the recommended daily allowances, respectively.
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