Abstract
ABSTRACTThe rheological parameter measured by the Plastometer is shown to be the difference in apparent viscosities at two shear rates. Flow property data obtained on various pseudoplastic pureed foods were utilized to show that the difference in apparent viscosities at 50 and 400 s—1, and data with a Bostwick Consistometer are correlated nonlinearly. For the range of Bostwick reading between 3.5–12.0cm/10s, an equation is presented to estimate the magnitude of the difference in apparent viscosities. Yield stress was found not to correlate as well as the difference in apparent viscosities. The Bostwick Consistometer was found to be not suitable for pseudoplastic nonpureed foods; adhesion of the non‐pureed foods to the gate of the Bostwick Consistometer was identified as the reason.
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