Fat replacement in chicken sausages manufactured with broiler and old laying hens by different vegetable oils
Shin, Dong-Jin | Lee, Hyun Jung | Lee, Dongheon | Jo, Cheorun | Choe, Juhui
The effect of old laying hen (OLH) and commercial broiler (CB) meat on emulsion-type sausages produced with different lipid types (canola, olive, and sunflower oils) to replace pork backfat was studied. To determine the physicochemical, textural, and microstructural properties, the proximate composition, color, pH, emulsion stability, cooking yield, water holding capacity, collagen content, textural properties, and scanning electron microscopy images of sausage samples were analyzed. Although there were significant differences in pH and emulsion stability between breed types (OLH and CB, P < 0.05), no significant differences were found for cooking yield and water holding capacity. The utilization of OLH meat in sausages produced higher total and insoluble collagen content than that of the CB meat. The replacement of pork backfat with olive oil produced the most similar texture to that of pork backfat among the lipid types used. The results showed the applicability of OLH meat in emulsion-type sausages and the use of vegetable oils, especially olive oil, might also be feasible.
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