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Brightfield microscopy analysis of pasta containing fermented and native brewers’ spent grain: BSG-p, pasta containing native brewers’ spent grain (15% wt/wt in replacement of semolina); fBSG-p, pasta containing fermented brewers’ spent grain (15% wt/wt in replacement of semolina); W-p, pasta made with durum wheat semolina. Proteins are shown in green and starch is shown in blue. Fibers are unstained. Scale bar left panel 200 µm and right panel 100 µm.
