Detection of Adulteration in Australian Orange Juices by Stable Carbon Isotope Ratio Analysis (SCIRA)
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  • 作者:Michael Antolovich ; Xia Li ; and Kevin Robards
  • 刊名:Journal of Agricultural and Food Chemistry
  • 出版年:2001
  • 出版时间:May 2001
  • 年:2001
  • 卷:49
  • 期:5
  • 页码:2623 - 2626
  • 全文大小:51K
  • 年卷期:v.49,no.5(May 2001)
  • ISSN:1520-5118
文摘
Stable carbon isotope ratio analysis (SCIRA) was used to determine the authenticity of commercialAustralian orange juices. Thirty-five samples of Valencia (13C values from -23.8 to -24.7 ppt)and eight samples of Navel juices (13C values from -24.1 to -24.5 ppt) of known origin were usedto establish a decision level before analysis. No significant seasonal variations in 13C/12C ratio wereobserved. Variations in combustion temperature in the method were also found to be insignificant.Keywords: Authenticity; adulteration; SCIRA; stable carbon isotope ratio; orange juice; Valencia;Navel

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