Texture properties of extrudates were determined by texture
analyzer TA.XT2Plus, Stable Microsystem, United Kingdom, using
method “Measurement of the hardness and fracturability of pretzel
sticks” with following settings: pre-test speed: 1.0 mm/s; test
speed: 1.0 mm/s; post-test speed: 10.0 mm/s; distance: 3 mm;
trigger type: auto e 5 g.