Wongprayoon Suchitra, Tran Thierry, Gibert Olivier, Dubreucq Eric, Piyachomkwan Kuakoon, Sriroth Klanarong. 2018. Pullulanase debranching of various starches upgrades the crystalline structure and thermostability of starch-lauric acid complexes. Starch - Stärke, 78 (7-8):1700351, 11 p.
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Quartile : Q2, Sujet : FOOD SCIENCE & TECHNOLOGY
Résumé : Cassava, rice, and chickpea starches with different amylose contents and amylopectin structure are used to prepare helical inclusion complexes with lauric acid (LA) and to investigate the effect of pullulanase debranching on complex formation, crystalline structure, thermostability, and morphology compared to their non‐debranched counterparts. The quantity of inclusion complexes in debranched starches increased 2–9 times compared to non‐debranched starches, due to the release of debranched, linear amylopectin chains. The amount of complexes after debranching increased with amylopectin content, and with the proportion of amylopectin short chains. Retrogradation occurred under the same conditions as and in competition with complexation; however, carefully adjusting the conditions enabled minimization of retrogradation and maximization of complex formation.
Mots-clés Agrovoc : amidon, acide laurique, amylopectine, amylose, tapioca, riz, pois chiche
Mots-clés géographiques Agrovoc : Thaïlande
Mots-clés complémentaires : Amidon de riz, Amidon de manioc
Mots-clés libres : Starch debranching
Classification Agris : Q02 - Traitement et conservation des produits alimentaires
Q04 - Composition des produits alimentaires
Champ stratégique Cirad : Axe 3 (2014-2018) - Alimentation durable
Auteurs et affiliations
- Wongprayoon Suchitra, CIRAD-PERSYST-UMR Qualisud (FRA)
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Tran Thierry, CIRAD-PERSYST-UMR Qualisud (COL)
ORCID: 0000-0002-9557-3340
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Gibert Olivier, CIRAD-PERSYST-UMR Qualisud (FRA) ORCID: 0000-0002-1447-9003
- Dubreucq Eric, Montpellier SupAgro (FRA)
- Piyachomkwan Kuakoon, Kasetsart University (THA)
- Sriroth Klanarong, Kasetsart University (THA) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/587715/)
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