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The Nitrite Scavenging and Electron Donating Ability of Bamboo Smoke Distillates made by steel kiln and earth kiln  

Lee, Fan-Zhu (Department of Food Science and Technology, Chonnam National University)
Choi, Sang-Ho (Biotechnology Research Institute, Chonnam National University)
Eun, Jong-Bang (Biotechnology Research Institute, Chonnam National University)
Publication Information
Korean Journal of Food Science and Technology / v.34, no.4, 2002 , pp. 719-724 More about this Journal
Abstract
Fresh bamboo was charred in the mechanical steel kiln and traditional earth kiln, and then its smoke was condensed to produce bamboo smoke distillates (BSD). BSD made by mechanical steel kiln (MBSD) was purified by distillation. There is significant difference (p<0.05) in total phenol content among them, 663.40 ppm in MBSD, 571.62 ppm in PMBSD, and 485.16 ppm in TBSD. The nitrite scavenging activity and electron donation ability of BSDs were measured and the content of total phenol content was determined. The nitrite scavenging activity of BSD increased with increasing concentration of BSD at the same pH and decreased with increasing pH. There is significant difference (p<0.05) in nitrite scavenging activity among MBSD, purified MBSD (PMBSD), and BSD made by traditional earth kiln (TBSD) and the activity was the highest in MBSD and the lowest in TBSD. The electron donationg ability of BSDs increased with increasing the concentration of BSD and the reaction time. There is significant difference in the electron donation ability of BSDs at the same period and different concentration among the BSDs, the highest in MBSD and the lowest in TBSD.
Keywords
bamboo smoke distillates; nitrite scavenging; total phenolics; electron donating ability;
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Times Cited By KSCI : 1  (Citation Analysis)
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