Effects of Aqueous Ozone Combined with Organic Acids on Microflora Inactivation in the Raw Materials of Saengsik
2007
Bang, W.S. (North Carolina State University, Raleigh, NC, USA) | Eom, Y.R. (Three and Four Co., Ltd., Wonju, Gangwon, Republic of Korea) | Eun, J.B. (Chonnam National University, Gwangju, Republic of Korea) | Oh, D.H. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: [email protected]
This study was conducted to determine the effects of microorganism inactivation using 3 ppm of aqueous ozone (AO), 1% citric acid, 1% lactic acid, and 1% acetic acid alone, as well as the combinations of AO and organic acid, for washing the raw materials of saengsik (carrot, cabbage, glutinous rice, barley) with or without agitation. The combination of AO and 1% of each organic acid significantly inactivated spoilage bacteria in both the vegetables and the grains (p less than 0.05). However, in the glutinous rice, no inhibitory effects were shown for total aerobic bacteria by using water, ozone, or the combination of AO with citric acid or lactic acid, without agitation.
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