Modulation in techno-functional, textural properties, in vitro starch digestibility and macromolecular–structural interactions of pasta with potato (Solanum tuberosum L.)
UNIVERSAL IDENTIFIER: http://hdl.handle.net/11093/4067
EDITED VERSION: https://www.mdpi.com/1420-3049/27/22/7835
UNESCO SUBJECT: 3309.03 Antioxidantes en Los Alimentos ; 3309 Tecnología de Los Alimentos ; 3309.20 Propiedades de Los Alimentos
DOCUMENT TYPE: article
The replacement of semolina with potato flour (PF) and potato mash (PM) at different levels was assessed for its effects on pasta quality. The results showed that the addition of PF and PM increased the pasting viscosity of the blends; in addition, PF enhanced the functional properties, while PM reduced them. The minimum cooking time decreased with PF and PM, while the PF pasta exhibited a higher cooking loss (5.02 to 10.44%) than the PM pasta, which exhibited a lower cooking loss. The pasta with PF and PM showed an increase in the total phenolic and flavonoid content, with reduced in vitro digestibility as confirmed by Fourier transform infrared spectroscopy. The PF pasta exhibited lower lightness and higher yellowness than the PM pasta, and its firmness and toughness also modulated owing to the complex interaction between potato starches and the gluten protein matrix, as evident from scanning electron microscopy. Sensory data revealed that pasta containing 30% PF and 16% PM was highly acceptable.
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