Exploration of Fragmentation Mechanisms of Yellow Split Peas during Grinding Using a Multimodal Approach - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Applied Sciences Year : 2024

Exploration of Fragmentation Mechanisms of Yellow Split Peas during Grinding Using a Multimodal Approach

Abstract

In the context of food and agro-ecological transitions, the development of food applications based on legume flours and plant proteins requires a mastery of grain milling. While wheat grain milling has been extensively studied and is well-mastered, legume grinding and its underlying mechanisms are still poorly understood. The aim of this work is to contribute to the study of the fragmentation mechanisms of pea grains during grinding. Experiments were carried out on hulled yellow pea grains (Kameleon variety) ground under different conditions using a ball mill (MM400, Retsch®, Haan, Germany) or a micro-cylinder mill. The results showed that the grinding of pea grains, regardless of the type of mill, produced powders characterized by particle size distribution curves with a multimodal shape. The curve analysis was performed according to a simplified deconvolution approach, taking into account different particle populations without diameter overlap. Four particle populations of different sizes were identified and correlated with specific mechanisms governing the grinding of yellow split peas. The physical and biochemical properties of the resulting powders were determined. Taking into account the proportions of the four populations within the powders, the results showed a positive correlation between the volume proportions of very fine (0–10 µm) and fine (10–55 µm) particles within the powders and the starch damage rate and the specific surface area developed, irrespective of the type of mill.
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hal-04582378 , version 1 (21-05-2024)

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Laurène Koëgel, Reine Barbar, Adrien Réau, Bernard Cuq. Exploration of Fragmentation Mechanisms of Yellow Split Peas during Grinding Using a Multimodal Approach. Applied Sciences, 2024, 14, pp.3740. ⟨10.3390/app14093740⟩. ⟨hal-04582378⟩
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