April 06, 2016

06/04/2016: New NIR analysers can do (almost) anything

Image: Francis Storr
Possibilities of modern NIR systems as exemplified by Bühler’s Multi Online Analyser MYRG

by Thomas Ziolko, Marketing and Product Manager, Grain Milling, Bühler and Juste Hahne, Chemometrics, Grains & Food Automation, Bühler

First published in Milling and Grain, February 2016  

The latest generation of near-infrared systems for online measurements in grain, flour and semolina open up new possibilities regarding gluten, water absorption and starch damage. These allow millers to optimise flour production directly and individually.

The grain processing industry has been using the near-infrared system (NIR) to continuously monitor the contents of raw, intermediate and end products for years. More and more companies are now using the advantages NIR technology offers for optimising processes in real time. NIR analysis makes it possible to assure consistent product quality, and it makes a substantial contribution to the profitability of a mill.
The evolution of the NIR machine ultimately means that previous temporal restrictions and expenditures associated with laboratory tests and raw materials are a thing of the past. New generation of NIR The first generation of NIR equipment focused on analysing protein content, moisture and ash.

These parameters were and are the ‘classics’ of most online systems. In addition, however, there are other quality parameters that require compliance by the mills. For example, in wheat flour the amount of gluten, the flour’s ability to absorb water, or the extent to which the starch has been damaged, are important factors.

Older generations of online NIR systems were only able to determine these parameters with insufficient accuracy and reproducibility. By employing photodiode arrays (diode array, DA), as in Bühler’s NIR Multi Online Analyser MYRG, the latest generation of NIR systems offers new possibilities for such additional parameters and thus new potential for millers.

Read the full article in Milling and Grain HERE  

The Global Miller
This blog is maintained by The Global Miller staff and is supported by the magazine GFMT
which is published by Perendale Publishers Limited.

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