journal article·2025-07-20Open access

Effect of Apple, Chestnut, and Acorn Flours on the Technological and Sensory Properties of Wheat Bread

Fryderyk Sikora, Ireneusz Ochmian, Magdalena Sobolewska, Robert Iwański

Applied Sciences· Volume 15· Issue 14

Abstract

The increasing interest in fibre-enriched and functional bakery products has led to the exploration of novel plant-based ingredients with both technological functionality and consumer acceptance. This study evaluates the effects of incorporating flours derived from apple (Malus domestica cv. Oberländer Himbeerapfel), sweet chestnut (Castanea sativa), horse chestnut (Aesculus hippocastanum), and red, sessile, and pedunculate oak (Quercus rubra, Q. petraea, and Q. robur) into wheat bread at 5%, 10%, and 15% substitution levels. The impact on crumb structure, crust colour, textural parameters (hardness, adhesiveness, springiness), and sensory attributes was assessed. The inclusion of apple and sweet chestnut flours resulted in a softer crumb, lower adhesiveness, and higher sensory scores related to flavour, aroma, and crust appearance. In contrast, higher levels of oak- and horse-chestnut-derived flours increased crumb hardness and reduced overall acceptability due to bitterness or excessive density. Apple flour preserved crumb brightness and contributed to warm tones, while oak flours caused more intense crust darkening. These findings suggest that selected non-traditional flours, especially apple and sweet chestnut, can enhance the sensory and physical properties of wheat bread, supporting the development of fibre-rich, clean-label formulations aligned with consumer trends in sustainable and functional baking.
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Research context

OpenAlex topics: Food composition and properties · Seed and Plant Biochemistry · Phytoestrogen effects and research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Horticulture, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology Szczecin, Słowackiego 17 Street, 71-434 Szczecin, Poland

Department of Agroengineering, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology in Szczecin, Pope Pawła VI 3 St., 71-459 Szczecin, Poland

Department of Fish, Plant and Gastronomy Technology, Faculty of Food Sciences and Fisheries, West Pomeranian University of Technology Szczecin, Pope Pawła VI 3 St., 71-459 Szczecin, Poland

Funding

State Forests Forest Fund in cooperation with Woliński National Park · West Pomeranian University of Technology

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