The IBULyzer is one of the finest examples of how an instrument and tasting panel can work together with the shared sensory goal of measuring beer bitterness. It is an amazing system that produces data that is very much needed by brewers and sensory professionals.
Automate IBU Measurement with an IBULyzer
Free up brewery lab time with automated beer bitterness measurement that is affordable, simple enough for anyone to use, processes samples in just 13 minutes, allows you to queue up to 8 samples at one time and provides the same accuracy as manual methods, with added consistency. A cost-effective complement to your internal quality control procedures allowing you to brew with consistently tight control over the IBU/EBU values.
As a cost effective analytical solution, IBULyzers are in daily use at-line with both in-process and finished product samples at plants around the world with the backing some of the worlds largest beer brand owners.
1. Present a degassed sample to the IBULyzer 2. Absorbance of pure iso-octane is measured 3. Sample is acidified and iso-octane is added in 1:2 ration 4. Extraction is promoted by forced aeration 5. Transfer for absorbance measurement at 275nm 6. Calculation of IBU and reporting of results 7. Cleaning cycle prevents cross-contamination
Initially trialled with one of the world’s largest beer brand owners, the performance of the IBULyzer results confirmed calibration with expected manual values. Now rolled out globally, the IBULyzer continues to impress.
Several samples with corresponding lab data were supplied by the brewing company enabling us to compare results with the reference lab method. In total 10 different beers, ranging from 8.8 up to 27.8 IBU, were used to assess precision within a single run (repeatability). Results were in fine agreement with the expected values at an RSD (relative standard deviation) of less than 2.2%. Taking into account the relatively large measuring range of the sample set this was indicative of the analyzer’s potential for automated bitterness tests, yet one which does not require special analytical skills. As expected, the test highlighted the importance of careful calibration by means of beers with known reference values, the key to obtaining reliable results.
Overview of Operational Analytics Features:
+ Similar with internationally applied manual iso-octane extraction method
+ Bitterness as sum parameter: iso a-acids + other components
+ Excellent accuracy and precision (repeatability)
+ No sample pretreatment necessary (except degassing)
+ Straight-forward operation requiring no specialist analytical skills
+ Low cost of analysis relative to a large number of results
+ Smart features: autocleaning, autocalibration
+ 8 sampling channels
+ Incorporated industrial panel PC with various remote access options
The IBULyzer is ideal for in-process and quality control applications, in all kinds of breweries from micro to medium-sized. The analyser is user-friendly and delivers quick, accurate results that can be used for process optimisations or automation projects. With this new method, automated bitterness detection is now affordable and simple enough for anyone to use, bypassing the need for a specialised analytical laboratory.
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