A recording instrument for the rapid evaluation of the compressibility of bakery goods

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Abstract
A recording dynamometer has been developed for the rapid examination of samples for firmness and compressibility. The instrument has two essential parts: (1) a platform which forces the sample against a compression block and (2) a measuring section using a strain gauge, which converts the forces as they develop into recordable electrical signals. Interchangeable compression blocks allow for wide variations of texture. Up to 27 samples of uniform thickness may be tested in 1 min. and the slices comprising 40 large loaves of bread may be examined within an hour. The peak forces developed are recorded and can readily be converted to modulus of axial compression. There are attachments for toughness measurements and for snap tests on products such as biscuits.

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