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Scanning electron micrographs obtained of cross sections of uncooked pasta samples (100x) at different tiger nut flour (0, 20 and 40%) and xanthan gum (0 and 1%) substitution levels. S: semolina pasta, TNF20 and TNF40: tiger nut pasta without xanthan gum, TNF20X and TNF40X: tiger nut pasta with 1% xanthan gum. G: gluten network. Arrows show voids
