The Effect of Coating Incorporated with Black Pepper Essential Oil on the Taste Quality of Jinhua Ham After Storage for Four Months

Abstract

In this study, 1H NMR and multivariate data analysis were used to investigate the effect of coating incorporated with black pepper essential oil (CIBPEO) on the taste of Jinhua ham after 4 months of storage; four treatments of control check (CK), base formula coating (BC), BC + 0.05% BPEO, and BC + 0.1% BPEO were used for the coating of hams. Results showed that the metabonome was dominated by 23 metabolites, including amino acids, sugar, organic acids, alkaloids, nucleic aides and their derivatives, and others. BPEO decreased the intensity of sourness, sweetness, bitterness, aftertaste, and the relative nonvolatile taste metabolites compared to CK and BC; the decrease of intensity was not dependent on the BPEO contents. These findings demonstrated that CIBPEO could give a new taste balance to Jinhua ham and be beneficial to a group of people with a particular sensory preference, who are sensitive to undesirable sourness and bitterness, and prefer a light overall taste. Practical Application The coating incorporated with black pepper essential oil during storage could give a new taste balance to Jinhua ham and be beneficial to a group of people with a particular sensory preference, who are sensitive to undesirable sourness and bitterness, and prefer a light overall taste.

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