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http://dx.doi.org/10.20909/kopast.2016.22.2.27

A Study on Comparison of the Quality Changes Powder Yam and Sliced Yams  

Ko, Euisuk (Department of Packaging, Yonsei University)
Shim, Woncheol (Department of Packaging, Yonsei University)
Kim, Chanwoo (Department of Packaging, Yonsei University)
Lee, Hacrae (Department of Packaging, Yonsei University)
Jeon, Kyubae (Department of Packaging, Yonsei University)
Kim, Jaineung (Department of Packaging, Yonsei University)
Publication Information
KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY / v.22, no.2, 2016 , pp. 27-32 More about this Journal
Abstract
In this experiment, alcohol and blanching treatments were used for food packaging materials, quality of powder yam and sliced yams (5 mm size) were compared by alcohol concentration and time for measuring change of color, weight, moisture content saccharinity and decomposition. 5% and 10% alcohol were used to alcohol treatment for 5, 10 seconds each. Packaging materials were used OPP($30{\mu}m$), PET($25{\mu}m$), ON($25{\mu}m$) and all materials heat sealable were coated. Quality of powder yam were not changed during storage at low temperature however were changed during storage at room temperature after 5 days. In conclusion, powder yam were needed packaging materials with high water barrier property from moisture, sliced yams were high quality when packaged by ON and stored at low temperature. Therefore, using packaging materials with low oxygen permeability were expected to reduced quality degradation about browning of powder yam and sliced yams.
Keywords
Powder yam; Sliced yams; Packaging materials; Shelf-life; Quality changes;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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