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Sourdough and cereal fermentation in a nutritional perspective
Kaisa Poutanen1, Laura Flander, Kati Katina
1VTT Technical Research Centre of Finland, VTT, Finland. kaisa.poutanen@vtt.fi
Food Microbiology
|September 15, 2009
Summary
Sourdough fermentation enhances baked goods
Area of Science:
- Food Science
- Nutritional Science
- Microbiology
Background:
- Sourdough fermentation is gaining interest for improving baked goods.
- It offers potential for enhancing nutritional quality and health effects of foods.
Purpose of the Study:
- To explore the impact of sourdough fermentation on the nutritional and health properties of cereal-based foods.
- To understand how fermentation modifies the cereal matrix and its components.
Main Methods:
- Investigating the effects of sourdough fermentation on starch digestibility, mineral bioavailability, and bioactive compound levels.
- Analyzing changes in the cereal matrix, including polysaccharide and protein hydrolysis.
- Examining the potential for gluten degradation and formation of new bioactive compounds.
Main Results:
- Sourdough fermentation can retard starch digestibility, leading to lower glycemic responses.
- It improves mineral bioavailability and the bioaccessibility of bioactive compounds.
- Fermentation modifies the cereal matrix, potentially benefiting gut microbiota and improving texture.
Conclusions:
- Sourdough fermentation offers significant benefits for the nutritional and health profiles of cereal-based products.
- It enhances sensory qualities, digestibility, and the bioavailability of essential nutrients and phytochemicals.
- Further research into sourdough's potential for celiac-friendly products and novel bioactive compounds is warranted.
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