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  • 标题:Survivability of <i>Vibrio cholerae</i> O1 in Cooked Rice, Coffee, and Tea
  • 本地全文:下载
  • 作者:John Yew Huat Tang ; Bariah Ibrahim Izenty ; Ahmad Juanda Nur’ Izzati
  • 期刊名称:International Journal of Food Science
  • 电子版ISSN:2314-5765
  • 出版年度:2013
  • 卷号:2013
  • DOI:10.1155/2013/581648
  • 出版社:Hindawi Publishing Corporation
  • 摘要:This study aimed to investigate the survival of Vibrio cholerae O1 in 3 types of preparation for cooked rice, Oryza sativa L., (plain rice, rice with coconut milk, and rice with ginger); coffee, Coffea canephora, (plain coffee, coffee with sugar, and coffee with sweetened condensed milk); and tea, Camellia sinensis, (plain tea, tea with sugar, and tea with sweetened condensed milk) held at room temperature (27&#xb0;C). The survival of V. cholerae O1 was determined by spread plate method on TCBS agar. Initial cultures of 8.00&#x2009;log&#x2009;CFU/mL were inoculated into each food sample. After 6&#x2009;h incubation, significant growth was only detected in rice with coconut milk (9.67&#x2009;log&#x2009;CFU/mL; ). However, all 3 types of rice preparation showed significant growth of V. cholerae after 24 h (). For coffee and tea preparations, V. cholerae survived up to 6 h in tea with condensed milk (4.72&#x2009;log&#x2009;CFU/mL) but not in similar preparation of coffee. This study showed evidence for the survivability of V. cholerae in rice, coffee, and tea. Thus, holding these food and beverages for an extended period of time at room temperature should be avoided.
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