Effect of the Pasta Making Process on Slowly Digestible Starch Content
2023
Rossella Dodi | Giuseppe Di Pede | Cecilia Scarpa | Valeria Deon | Margherita Dall’Asta | Francesca Scazzina
The rate at which starch is digested in the human intestine elicits different glycemic responses and reflects the glycemic index (GI) of foods. In vitro measurement of starch digestibility can reflect the GI of food. Differences in starch digestibility among four durum wheat pasta samples, couscous, and bread were evaluated to better describe the role of the pasta making process in affecting starch digestibility. Statistical differences in RDS (rapidly digestible starch), SDS (slowly digestible starch), and RS (resistant starch) of products were found (p <: 0.05). As expected, pasta samples showed the highest value of SDS/av starch compared to couscous and bread. Fusilli and cavatelli samples presented the highest SDS/av starch ratio (55.80 ±: 3.06% and 53.91 ±: 3.50%, respectively), then came spaghetti 49.39 ±: 2.83% and penne 45.93 ±: 1.19%, while couscous presented the lowest value of SDS/av starch (2.64 ±: 0.50%), followed by bread (11.78 ±: 2.63%). Our study confirmed that the pasta making process efficiently mediates an increase in SDS/Av starch content, which has been specifically quantified above 40%, therefore strongly related to a lowered glycemic response in vivo. Our results strengthened the concept that pasta is a good source of SDS, which makes it useful for glycemic control.
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