Detection of adulteration in Australian orange juices by stable carbon isotope ratio analysis (SCIRA) |
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| Authors: | Antolovich M Li X Robards K |
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| Affiliation: | School of Science and Technology, Charles Sturt University, Wagga Wagga, NSW 2678, Australia. |
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| Abstract: | Stable carbon isotope ratio analysis (SCIRA) was used to determine the authenticity of commercial Australian orange juices. Thirty-five samples of Valencia (delta(13)C values from -23.8 to -24.7 ppt) and eight samples of Navel juices (delta(13)C values from -24.1 to -24.5 ppt) of known origin were used to establish a decision level before analysis. No significant seasonal variations in (13)C/(12)C ratio were observed. Variations in combustion temperature in the method were also found to be insignificant. |
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