Using a stable pre-emulsified canola oil system that includes porcine plasma protein hydrolysates and oxidized tannic acid to partially replace pork fat in frankfurters - PubMed (original) (raw)

Using a stable pre-emulsified canola oil system that includes porcine plasma protein hydrolysates and oxidized tannic acid to partially replace pork fat in frankfurters

Yichun Chen et al. Meat Sci. 2020 Feb.

Abstract

The objective of this study was to evaluate the effect of two different forms of canola oil (pure liquid form or a pre-emulsified form that includes porcine plasma protein hydrolysates modified by oxidized tannic acid) used for pork back-fat substitutions on the physico-chemical characteristics of frankfurters. When compared to the control group, partial replacement of pork back-fat using a pre-emulsified canola oil system exhibited excellent water and fat binding capacities, quicker relaxation times and lower amounts of saturated fatty acids (SFAs) (P < .05), as well as increased hardness, gumminess, and chewiness (P < .05) when verified by dynamic rheology analysis. Additionally, higher replacement ratio of pre-emulsified canola oil did significantly decrease the overall acceptability than the control group (P < .05). Our results indicate that pre-emulsified canola oil provided greater improvement with respect to the physical characteristics of partial pork back-fat replaced frankfurters, when compared to pure canola oil inclusion.

Keywords: Canola oil; Fat replacement; Fatty acid profiles; Frankfurters; Physico-chemical characteristics; Pre-emulsion system.

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