How to measure and analyse the texture of food, cosmetics, pharmaceuticals and adhesives.

Thursday, 19 June 2014

Measure Stringiness


Measurement of stringiness and similar properties using the TA.XTplus Texture AnalyserSTRINGINESS/SHORTNESS is the degree (distance) to which a product hangs on the probe when the probe is withdrawn. 

It is a major characteristic of mozzarella cheese or adhesives but is also commonly the textural property possessed by sauces (e.g. ketchup, dessert sauces), confectionery glazes, baked product toppings and undoubtedly, syrups. 

In the adhesive industry this characteristic is sometimes referred to as 'legging' or 'tailing', as stringiness may result in the formation of filaments or threads when the adhesive surfaces are separated. 

 Stringiness may be a desirable property, as is the case for mozzarella cheese or caramel decorations, but be considered undesirable for the application of paint where a 'short' texture is required for quick and clean removal of brushes from paint tins. It is related to the viscoelasticity of the product.

Typical Methods & Fixtures for Stringiness/Shortness Measurement in action:

video

Typical physical properties that can be obtained from a texture analysis graph:  
Consistency, firmness, cohesiveness, index of viscosity, tailing, stringiness, shortness, viscoelasticity.
 

A wide range of attachments is available for measuring texture analysis properties.  

Typical Texture Analyser graph with annotated properties
Typical Texture Analyser graph
with annotated properties
The above are only typical examples of stringiness/shortness measurement

We can of course design and manufacture probes or fixtures for the TA.XTplus texture analyser that are bespoke to your sample and its specific measurement.

Once your measurement is performed our expertise in its graphical interpretation is unparalleled – no-one understands texture analysis like we do. Not only can we develop the most suitable and accurate method for the testing of your sample but we can prepare analysis procedures that obtain the desired parameters from your curve and drop them into a spreadsheet or report designed around your requirements.

For more information on how to measure texture, please visit the Texture Analysis Properties section on our website.

To discuss your specific test requirements click here...

Watch our video about texture analysis Replicating Consumer Preferences
 Texture Analysis applications




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