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http://dx.doi.org/10.9721/KJFST.2021.53.4.375

Investigation of taste and flavor properties of radish varieties harvested in Korea using electronic tongue and electronic nose  

Hong, Seong Jun (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Boo, Chang Guk (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Heo, Seong Uk (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Jo, Seong Min (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Jeong, Hyangyeon (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Yoon, Sojeong (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Lee, Youngseung (Department of Food Science and Nutrition, Dankook University)
Park, Sung-Soo (Department of Food Science & Nutrition, Jeju National University)
Shin, Eui-Cheol (Department of Food Science/Institute for Food Sensory & Cognitive Science, Gyeongsang National University)
Publication Information
Korean Journal of Food Science and Technology / v.53, no.4, 2021 , pp. 375-381 More about this Journal
Abstract
This study investigated the physicochemical properties and chemosensory characteristics of radish samples. Brix results in Matdong-radish showed the highest value (1.5±0.1%), and Mansahyungtong-radish showed the lowest. In terms of salinity, Mansahyungtong-radish had the highest value (1.2±0.1%), and there were no significant differences among samples except Mansahyungtong-radish. In pH analysis, Cheongjunggowon-radish had the highest value at 6.69±0.02. The pH in Mansahyungtong-radish showed the lowest value at 6.10±0.01. In the electronic tongue, sourness was high in the Seoho-radish (8.2), and saltiness was high in the Matdong-radish (8.1). Umami was high in the Seoho-radish (8.3), and sweetness was high in the Matdong-radish (8.1). In the electronic nose, sulfur-containing compounds were high in all the samples. Methanethiol, which represented the odor description of cabbage, garlic, and sulfurous, was abundant in sulfur-containing compounds. Multivariate analysis using physicochemical and chemosensory properties can be used as a database for the food industry.
Keywords
radish; phytochemical properties; chemosensory; principal component analysis; cluster analysis;
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