Norlab

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Coffee and tea

Resource Type: 
Overview article
Author(s): 
Norlab
Format: 
Web Page
Date of creation: 
13 October 2015
Library code: 
10271

Sensory analysis of coffee and tea products with Alpha MOS analytical instruments

Alpha MOS electronic sensing instruments are aimed at analyzing the chemical and sensory properties of products, in a way which correlates well with the results obtained by human sensory panels. Their electronic noses measure Volatile Organic Compounds (VOC) and odors, and their electronic tongues analyze the taste of products.
 

Why use electronic sensing instruments for sensory analysis?

Improve the reliability of sensory assessment
Instrumental measurement of human perceptions guarantees a reliable sensory assessment of products based on an overall measurement of aroma and taste features and data traceability over time.

Get easy-to-understand results
By providing fast decision-making results, electronic sensing instruments address the needs of quality control and product development laboratories for both qualitative and quantitative analyses in which odor and taste parameters are involved.

Optimize the sensory features of your products
Thanks to high throughput analysis potential, electronic sensing instruments increase analysis power for product optimization purposes.

Gain competitive advantages
As efficient benchmarking and retro-engineering tools, electronic sensing analyzers contribute to enhancing competition awareness on organoleptic properties.

Take faster decisions at the point of production
Fast result delivery and high analysis throughput capabilities allow to speed up batch release and reduce storage times.

 

Alpha MOS electronic sensing instruments have many applications in the coffee and tea industry. Here are a few examples:
 

Coffee industry



 

Monitoring quality of coffee supplies with an electronic nose
The Alpha MOS HERACLES Electronic Nose can be successfully employed to control the quality of coffee samples and detect aged products. HERACLES is a very powerful tool to rapidly assess the sensory quality of coffee batches upon receipt and to select suppliers.

Competitive benchmarking and development of new coffee products with e-tongue
The Alpha MOS ASTREE Electronic Tongue system offers higher speed of analysis than traditional techniques, thanks to its global analysis of products, and helps manufacturers speed up competitive benchmarking and new product development process. This study describes some examples of the possibilities offered by the Alpha MOS Electronic Tongue.

Coffee bitterness determination with an electronic tongue
The Alpha MOS ASTREE Electronic Tongue can be used to determine the bitterness level of various coffee preparations. After building a bitterness scale with the e-tongue from coffees tested by a sensory panel, the instrument can then be used to assess bitterness of components extracted from coffee.

 

Tea industry



 

Organoleptic testing and sensory comparison of teas with an electronic tongue
The Alpha MOS ASTREE Electronic Tongue is a fast, objective, flexible and cost effective tool to perform the organoleptic testing and sensory comparison of teas. The data obtained in this study demonstrated the repeatability and accuracy of ASTREE for discriminating and comparing teas according to flavors, origins, process techniques, blending, etc, for evaluating bitterness, or for evaluating the influence of steeping time. It is a powerful tool for tea quality control, providing significant benefits compared to other techniques or human sensory panels.

Batch cross contamination monitoring in tea processing with an electronic nose
With the Alpha MOS HERACLES Electronic Nose, based on ultra fast Gas Chromatography, low levels of contaminants in food and beverage products can be measured in a very short time (every 4 minutes).