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Hardness, brittleness, stiffness


We tested three types of store-bought chocolate covered wafer bars and one chocolate bar (Hershey’s KitKat, Mars’ Twix, Hershey’s Reese Sticks, and Hershey’s chocolate bar) using a variety of tests with the TA.XT2i Texture Analyzer. We (i) punctured the bars with a TA-52 2 mm diameter puncture probe, (ii) cut the bars with a TA-45 incisor blade, and (iii) snapped the bars using a TA-92 three-point bend rig.