DOI QR코드

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Influence of rendering methods on yield and quality of chicken fat recovered from broiler skin

  • Lin, Liang-Kun (Department of Animal Science, National Chung Hsing University) ;
  • Tan, Fa-Jui (Department of Animal Science, National Chung Hsing University)
  • 투고 : 2016.06.04
  • 심사 : 2016.10.03
  • 발행 : 2017.06.01

초록

Objective: In order to utilize fat from broiler byproducts efficiently, it is necessary to develop an appropriate rendering procedure and establish quality information for the rendered fat. A study was therefore undertaken to evaluate the influence of rendering methods on the amounts and general properties of the fat recovered from broiler skin. Methods: The yield and quality of the broiler skin fat rendered through high and lower energy microwave rendering (3.6 W/g for 10 min and 2.4 W/g for 10 min for high power microwave rendering (HPMR) and high power microwave rendering (LPMR), respectively), oven baking (OB, at $180^{\circ}C$ for 40 min), and water cooking (WC, boiling for 40 min) were compared. Results: Microwave-rendered skin exhibited the highest yields and fat recovery rates, followed by OB, and WC fats (p<0.05). HPMR fat had the highest $L^{\star}$, $a^{\star}$, and $b^{\star}$ values, whereas WC fat had the highest moisture content, acid values, and thiobarbituric acid (TBA) values (p<0.05). There was no significant difference in the acid value, peroxide value, and TBA values between HPMR and LPMR fats. Conclusion: Microwave rendering at a power level of 3.6 W/g for 10 min is suggested base on the yield and quality of chicken fat.

키워드

참고문헌

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피인용 문헌

  1. Chicken processing: impact, co-products and potential vol.75, pp.1, 2017, https://doi.org/10.1017/s0043933918000764
  2. Technologies for extraction of oil from oilseeds and other plant sources in retrospect and prospects: A review vol.44, pp.11, 2017, https://doi.org/10.1111/jfpe.13851