Perten Instruments Inc.

Larena Ag

Jan Perten

Robert C Funk

Bo Allvin

A method of measuring viscous and elastic properties of a gluten-containing substance includes: bringing the gluten-containing substance into a powder, adding a predetermined amount of aqueous liquid to a predetermined amount of the powder, kneading the powder and liquid to a dough to develop the viscoelastic character of the gluten in the dough- and extracting viscoelastic gluten from the dough by rinsing with the liquid. The method further includes:

Method of and apparatus for measuring viscous and elastic properties of a gluten-containing substance

A suspension of a starch-containing product in heated during agitation, whereby the viscosity is registered as a function of the temperature. A curve over the relationship between viscosity an temperature is treated as a property profile for the sample and is compared with another known curve in order to determine the heating properties for the sample. A device for this analysis has an agitator (,), the drive means (,) of which has a power sensor (,) for sensing the power which the agitator is subjected to during the agitating, whereby a measure of the viscosity is obtained. A temperature sensor (,) senses the temperature of the sample.

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Djursholm, Sweden

Jan Perten