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http://dx.doi.org/10.9721/KJFST.2022.54.1.80

Alterations in qualities of different cultivation types of garlic during storage: Changes assessed by ultrasonic and organic acid treatment  

You, Gwang Yeon (The Food Industry Promotional Agency of Korea)
Hwang, Young (Department of Agrofood Resoures, National Institute of Agricultural Sciences)
Kim, Kyumg Mi (Department of Agrofood Resoures, National Institute of Agricultural Sciences)
Cho, Yong Sik (Department of Agrofood Resoures, National Institute of Agricultural Sciences)
Jang, Hyun Wook (Department of Agrofood Resoures, National Institute of Agricultural Sciences)
Publication Information
Korean Journal of Food Science and Technology / v.54, no.1, 2022 , pp. 80-87 More about this Journal
Abstract
We investigated the effects of organic acid and ultrasonication treatment in maintaining the quality of garlic during storage. Samples were exposed for 5 min to either ultrasonication at 60℃, 1% citric acid, or 0.5% fumaric acid. Presence of microorganisms and minerals, hardness, and color were compared during storage at 4℃ for 28 days. The total aerobic bacterial count remained low. No proliferation of Escherichia coli was observed after treatment with fumaric acid or ultrasonication, and mold proliferation was inhibited by ultrasonication. The mineral content of the northern type garlic was higher than that of the southern type. Exposure to fumaric acid did not result in a substantial difference in hardness until 21 days of storage, at which time there was a decrease in the L-value in each cultivation type. Our results indicate that treatment with 0.5% fumaric acid for 5 min was effective in reducing the abundance of microorganisms during storage without affecting the hardness or color in garlic.
Keywords
garlic; microorganism; ultrasonication; organic acid; quality control;
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