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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.18.0689    [Accepted] Published online January 3, 2019.
Effect of aged garlic powder on physicochemical characteristics, texture profiles, and oxidative stability of ready-to-eat pork patties
Jihan Kim1,2, Hyun-Joo Jang2, Chi-Ho Lee2,*
1Departement of Food and Bioproduct Sciences, University of Saskatchewan, Saskatchewan, Canada
2Department of Food Science & Biotechnology of Animal Resources, Konkuk University, Seoul 143-701, Korea
Correspondence:  Chi-Ho Lee, Tel: +82-2-450-3681, Fax: +82-2-450-1948, Email: leech@konkuk.ac.kr
Received: 10 September 2018   • Revised: 5 November 2018   • Accepted: 8 December 2018
Abstract
Objective: The aim of this study was to investigate the effects of aged garlic powder (AGP) on physicochemical characteristics, texture profiles, and oxidative stability of ready-to-eat (RTE) pork patties.

Methods

There were five treatment groups: a control; 1% fresh garlic powder (T1); 0.5, 1 and 2% AGP (T2, T3 and T4). Pork patties with vacuum packaging were roasted at 71°C for core temperature, stored at 4°C for 14 d, and then reheated for 1 min using a microwave.

Results

AGP groups showed a lower the level of lipid oxidation and higher thiol contents than the control and T1. The pH value of the control increased whereas that of aged garlic groups decreased after re-heating process. In addition, the redness significantly increased with increasing level of AGP whereas the redness of the control and T1 decreased after re-heating process. T4 added patties improved textural and sensory properties compared to the control.
Conclusion
The results of this study suggest that AGP addition to RTE pork patties can improve their sensory characteristics and oxidative stability.
Keywords: Aged Garlic; Patties; Thiol; Ready-to-eat; Lipid Oxidation


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