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http://dx.doi.org/10.9721/KJFST.2019.51.6.551

Flavor and taste characteristic of black pepper by different nonthermal sterilization methods  

Lee, Gwang Min (Department of Culinary & Food Industry, Jeonju University)
Shin, Jung Kue (Department of Korean Cuisine, Jeonju University)
Publication Information
Korean Journal of Food Science and Technology / v.51, no.6, 2019 , pp. 551-557 More about this Journal
Abstract
The purpose of this study was to investigate the changes of flavor and taste characteristics of black pepper treated with three different nonthermal sterilization methods, which are intense pulsed light (IPL), ultraviolet (UV), and cold plasma (CP). Also, the sensorial and instrumental evaluation of black pepper before and after nonthermal treatments were analyzed. As a result of color value, UV and CP treatments did not show chromacity difference (ΔE), but IPL treatment showed a significant difference of 6.58. Piperine contents of sample before nonthermal treatments was 10.7±0.53 mg/g and the piperine contents of all samples decreased after nonthermal treatments. The result of the electronic nose analysis were divided into two groups before and after nonthermal treatments, and divided into three group by principle component analysis. According to the intensity test, after nonthermal treatments, all sample had low flavor and taste, and the intensity was in the order of IPL, CP, and UV. In thirteen sensory attribute languages developed through quantitiative descriptive analysis (QDA), the intensity value of the samples were low after nonthermal treatments.
Keywords
black pepper; nonthermal sterilization; piperine contents; sensory characteristic; quantitative descriptive analysis (QDA);
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Times Cited By KSCI : 5  (Citation Analysis)
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