FOOD, FEED & BEVERAGES
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Soft Drink manufacturers are challenged with the need to comply with consumer safety standards and simultaneously optimize production efficiency. Therefore, it is necessary to maintain consistent product quality by monitoring critical process parameters.
Control of caffeine and sugar content is necessary to maintain consistent product quality. Offline analysis by laboratory methods introduces significant time and cost demand caused by sample pre-treatment and consumable materials. As a non-destructive and maintenance-free technique, Near-infrared Spectroscopy eliminates these demands.
Total acidity quantification with online spectroscopic methods are a direct substitution to standard titration methods. In contrast to an offline titration method, online spectroscopy allows for in-process measurements without the need for consumable materials or chemicals. As phosphoric acid is the predominant acid in soft drinks, the total acidity is determined quantitatively by the detection of phosphoric acid with Raman Spectroscopy.
Near-infrared (NIR) & Raman Spectroscopy enable real-time results of critical process parameters in the soft drink manufacturing process such as sugar, caffeine & titratable acidity.
We recently attended the SPIE Photonics West Show in San Francisco, CA. As part of our display, we showcased a demonstration of an application to determine the concentration of syrup used in soda blending and soft drink production. Chris Krapf demonstrates in the video below.
FAQ
Typical applications include white light interference for thin film analysis, UV absorption of proteins for quantitative analysis, colorimetry, impurity detection in water, cleaning validation for API manufacturing, polymerization inhibitor monitoring, electroplating bath monitoring....
The spectroscopic methodology is determined by which parameters are important to monitor during a process. For example, if you want to monitor protein concentration in a bioreactor, in which the biosynthesis takes place in an aqueous medium, then you likely would want to use Raman spectroscopy for the application, as water does not contribute to the Raman signal. Alternatively, if moisture content is important, water has very strong absorption in the NIR due to several vibrational and combination modes that can be monitored; water is transparent in the UV and visible spectral region. Understanding which chemical is important as there could be various factors that influence the choice of methodology....
NIR spectroscopy is utilized across a variety of industries for qualitative and quantitative product analysis. Typical industries include Chemistry, Pharmacology, Food Feed & Beverage, Agriculture, and others. NIR spectroscopy is well suited for species containing C-H, N-H & O-H bonds, making it a wide-range technology for a variety of applications such as moisture, fat, oil, alcohol, APIs, polymers, etc....
Raman spectroscopy is a technique which is used for several markets. These industries include Oil and Gas, Pharmacology, Biotechnology, Petrochemistry and many others. Due to the high selectivity of Raman spectroscopy, it is a powerful tool for many applications including, hydrocarbon analysis, bioreactor protein monitoring, crystallization monitoring, API concentration, polymer identification, surfactant analysis, natural gas components and several others....
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