oa South African Journal of Chemistry - Quantification of Sugars in Soft Drinks and Fruit Juices by Density, Refractometry, Infrared Spectroscopy and Statistical Methods
|Article Title||Quantification of Sugars in Soft Drinks and Fruit Juices by Density, Refractometry, Infrared Spectroscopy and Statistical Methods|
|© Publisher:||South African Chemical Institute (SACI)|
|Journal||South African Journal of Chemistry|
|Author||Ponnadurai Ramasami, Sabina Jhaumeer-Laulloo, Philipe Rondeau, Frederic Cadet, Heena Seepujak and Ashwini Seeruttun|
|Publication Date||Jan 2004|
|Pages||24 - 27|
|Keyword(s)||Density, Mid-FTIR, Partial least squares regression, Refractrometry and Sugar|
The amount of sugar in soft drinks and fruit juices has been quantified by density, refractometric and infrared spectroscopic methods. Density and refractometric methods can be used to obtain only the total amount of sugar. However, infrared spectroscopy distinguishes itself as a fast and reliable method for quantitative analysis. Fourier-transformedspectroscopy in combination with a mathematical treatment of the spectra of samples allows the amount of different sugars such as glucose, fructose and sucrose to be determined.
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