Abstract
The aim of the study was to investigate the effects of replacing beef fat with interesterified palm kernel oil (IPKO) on the quality characteristics and storage stability of frankfurters. Five treatment groups were: control (C) and four levels of IPKO replacements; 25, 50, 75 and 100%. Study results revealed that replacement of beef fat with IPKO resulted in a significant increase in caprylic (C8:0), capric (C10:0), lauric (C12:0) and miristic acid (C14:0) levels and a decrease in palmitic (C16:0), palmitoleic (C16:1), stearic (C18:0) and oleic acid (C18:1) levels in frankfurters (P < 0.05). Higher TBARS values were determined in frankfurters manufactured with IPKO compared to the control group after the manufacturing and storage periods (P < 0.05). A 75% and 100% beef fat replacement with IPKO had significantly lower hardness values compared to the other groups (P < 0.05). The use of IPKO increased pH in frankfurters (P < 0.05). However, replacing beef fat with IPKO did not affect moisture, fat, protein, ash contents and sensory properties.
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