Quality properties of samkwang and palbangmi treated with atmospheric-pressure plasma by storage
2018
Kim, H.J., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Woo, K.S., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Yong, H.I., Seoul National University, Seoul, Republic of Korea | Jo, C., Seoul National University, Seoul, Republic of Korea | Lee, S.K., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, B.W., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, Y.Y., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Oh, S.K., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, B., National Institute of Crop Science, RDA, Suwon, Republic of Korea
Atmospheric-pressure plasma (APP) was applied to determine quality characteristics of brown rice (BR) and white rice (WR) of Samkwang and Palbangmi. APP (250 W, 15 kHz, ambient air) was generated and dielectric barrier discharge was applied for 0, 10, and 20 min for 2 weeks at 4 and 25o C. The growth of total aerobic bacteria and mold increased depending on the storage. Water content of BR and WR decreased by storage temperature and periods. No viable counts were detected for molds by APP-treated 20 min at 4o C. Changes in protein and damaged starch contents in plasma were not observed. Amylose contents were not changed, but WR (Palbangmi) showed a tendency to increase. The results show that APP improved the microbial quality of BR and WR of Samkwang and Palbangmi, although further studies should be conducted to determine change in quality by APP.
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