Physicochemical and sensory characteristics of dry-cured loin made from pigs fed Allium hookeri added whey powder and sensory trait evaluation using electronic tongue

Author:

Kim Ji-Han,Kim Jung-Ho,Jang Hyun-Joo,Lee Hyun-Jin,Lee Chi-Ho

Abstract

The aim of this study was to determine the effect of dietary supplementation with Allium hookeri (A. hookeri) added whey powder on the physicochemical characteristics of dry-cured loin (CON, basal diet; AH, addition of 1% A. hookeri; AHW, addition of 0.5% A. hookeri and 4% whey powder) during manufacturing (pre- and post-salting, drying and ripening process) and analyse their sensory characteristics using electronic tongue. Crude fat and weight yield of AH were higher (P < 0.05) than those of CON. The AH inhibited (P < 0.05) lipid oxidation and the reduction of redness during manufacturing. The percentage of some free amino acids (tyrosine, methionine, phenylalanine, isoleucine and leucine) in AHW was higher (P < 0.05) compared with those in CON. Monounsaturated fatty acid composition was the highest (P < 0.05) in AHW. Sensory evaluation by panellists did not show significant differences among the three groups (CON, AH and AHW). However, the richness of AH and AHW was significantly higher compared with that of CON based on electronic tongue analysis. Taken together, these results revealed that AH supplementation with whey powder had higher oxidative stability and enhanced dry-cured loin quality.

Publisher

CSIRO Publishing

Subject

Animal Science and Zoology,Food Science

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