It’s not scientifically correct: Viscosity is used to describe Newtonian liquids (e.g. Q: Why does the IDDSI framework not give values of viscosity for textured modified products?Ī: The IDDSI framework does not use viscosity values for identifying texture modified products for the following reasons: Since Level 4 liquids do not flow the fork-drip and spoon-tilt tests are used to differentiate between a Level 3 (moderately thick/liquidized) and Level 4 (extremely thick/puree). The test is suitable for IDDSI Levels 0-3. The thickness level of the liquid is defined by the amount of fluid remaining in the 10 ml syringe after 10 seconds. A: The IDDSI flow test is designed to test the ability of a liquid to flow in conditions related to swallowing a bolus.
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