International Sugar Journal

Can near infrared spectroscopy (NIRS) be used to predict lactic acid, acetic acid and ethanol in sugarcane mixed juice? † [Full subscriber]

The organic acids, acetic acid and lactic acid, and ethanol have been used as indicators of deteriorated cane. The conventional analytical methods to determine these analytes require sophisticated instrumentation, skilled analysts and are time consuming and costly. The development of NIRS calibrations to measure these analytes in a fraction of the time, using relatively unskilled labour at much reduced cost, is attractive. The paper presents the comparative analytical data for conventional methods of analysis and that obtained by NIRS for the three analytes in mixed juice.…

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