Publications by authors named "Stijn Reyniers"

Starch is the main source of dietary energy for humans. In order to understand the mechanisms governing native starch in vitro digestion, digestion data for six starches [wheat, maize, (waxy) maize, rice, potato and pea] of different botanical sources were fitted with the most common first-order kinetic models, i.e.

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Article Synopsis
  • The study highlights how varying dough moisture content (DMC) from 14% to 22% affects the thermal properties of starch and cookie characteristics, like hardness and spread.
  • An increase in DMC led to a 25-30% rise in starch digestion rate constants, indicating that moisture enhances starch digestibility.
  • The research also found that by optimizing starch formulations, it’s possible to achieve cookies with lower hardness and starch digestion rates while maximizing spread.
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The use of starch in food systems in many instances relies on its thickening and gelling capacity. When native starches fail to match process and/or product-specific requirements, starches are physically and/or chemically modified to meet end-use demands. Evidently, differences between starches of varying botanical origin have to be considered when selecting or modifying starches for particular applications.

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Potato chips are a major product in the savory snack market and are consumed worldwide because of their enjoyable and distinctive organoleptic properties. They are conventionally produced by deep-frying thin slices of fresh potato. In contrast, potato crisps are manufactured from dried potato derivatives such as potato flakes (PFs).

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Gluten proteins functionality during pastry production was examined by including redox agents in the ingredient bill. Addition of reducing and oxidizing agents respectively increased and decreased dough height during fermentation. The presence of large gas bubbles in the samples with oxidizing agents may have caused a 'stacking'-effect and a more effective dough lift.

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