Identification & Differentiation of Multiple Sugars
There are many types of sugar molecules, many of which have very similar structures making them difficult to differentiate with standard analytical methods. Industry is looking for a better way to monitor the presence of sugars with precise, real-time results.
The IRmadillo™ FTIR spectrometer was used to analyse aqueous mixtures of up to seven different sugars simultaneously. The spectrometer is capable of qualitatively and quantitatively differentiating between monosaccharides, even when the structural differences between them are minimal.
IRmadillo & Analysis of Seven Sugar Varieties
The IRmadillo generated spectrum from analysing a solution containing seven different sugars. With the data, a PLS (partial least squares) model was used to provide the quantification of the sugar. The analysis showed not only how much sugar was present, but the instrument could also differentiate which sugars were present in the solution in real time (Figure 1).
The results demonstrate that the IRmadillo FTIR spectrometer operates as a sugar sensor to monitor the concentrations of up to seven different sugars in an aqueous mix simultaneously. This means that real-time online analysis of complicated mixtures is now possible, without the need for extractive sampling techniques or HPLC.
Many manufacturing processes make use of sugars. Food & Beverage industries are frequently monitoring the presence and amount of sugar in their products such as in the production of beer and wine. Similarly, Biofuels – Bioethanol and Pulp and Paper industries also monitor the presence and concentration of sugars as some of their processes involve fermentation and sugar production as intermediaries and by-products. Keit has developed the solid-state IRmadillo FTIR spectrometer to provide rapid insight in monitoring industrial processes including sugars.
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