Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch

In response to the growing demand for high-quality food ingredients, starches from underutilised sources like quinoa and faba bean are gaining attention due to their unique properties and high tolerance to adverse environmental conditions. Acid hydrolysis is a well-established chemical method for pr...

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Main Authors: Anthony Halim, Peter J. Torley, Asgar Farahnaky, Mahsa Majzoobi
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Foods
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Online Access:https://www.mdpi.com/2304-8158/13/23/3885
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author Anthony Halim
Peter J. Torley
Asgar Farahnaky
Mahsa Majzoobi
author_facet Anthony Halim
Peter J. Torley
Asgar Farahnaky
Mahsa Majzoobi
author_sort Anthony Halim
collection DOAJ
description In response to the growing demand for high-quality food ingredients, starches from underutilised sources like quinoa and faba bean are gaining attention due to their unique properties and high tolerance to adverse environmental conditions. Acid hydrolysis is a well-established chemical method for producing modified starch with improved solubility, lower gelatinisation temperature, and reduced pasting viscosity. However, various outcomes can be achieved depending on the type of starch and modification conditions. This study comparatively investigated the effects of acid hydrolysis on the functional and physicochemical properties of emerging starches from quinoa and faba bean, with cassava starch serving as a reference from a leading source. The results demonstrated increased dietary fibre content across all three starches, with faba bean starch showing the most significant rise. Acid treatment also enhanced the crystallinity of the starches, with faba bean starch exhibiting the highest increase in relative crystallinity, which led to a shift towards higher temperatures in their thermal properties. Additionally, water solubility and oil adsorption capacity increased, while swelling power decreased following acid treatment. The acid treatment reduced the pasting properties of all samples, indicating that the modified starches were more resistant to heating and shearing in the rapid visco analyser. While quinoa starch gel remained soft after acid hydrolysis, the gel strength of cassava and faba bean starches improved significantly, making them suitable as plant-based gelling agents.
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spelling doaj-art-259b6df60cf242ba83d1e032e9c50c532025-08-20T02:50:33ZengMDPI AGFoods2304-81582024-12-011323388510.3390/foods13233885Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava StarchAnthony Halim0Peter J. Torley1Asgar Farahnaky2Mahsa Majzoobi3Discipline of Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, AustraliaDiscipline of Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, AustraliaDiscipline of Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, AustraliaDiscipline of Biosciences and Food Technology, RMIT University, Bundoora West Campus, Plenty Road, Melbourne, VIC 3083, AustraliaIn response to the growing demand for high-quality food ingredients, starches from underutilised sources like quinoa and faba bean are gaining attention due to their unique properties and high tolerance to adverse environmental conditions. Acid hydrolysis is a well-established chemical method for producing modified starch with improved solubility, lower gelatinisation temperature, and reduced pasting viscosity. However, various outcomes can be achieved depending on the type of starch and modification conditions. This study comparatively investigated the effects of acid hydrolysis on the functional and physicochemical properties of emerging starches from quinoa and faba bean, with cassava starch serving as a reference from a leading source. The results demonstrated increased dietary fibre content across all three starches, with faba bean starch showing the most significant rise. Acid treatment also enhanced the crystallinity of the starches, with faba bean starch exhibiting the highest increase in relative crystallinity, which led to a shift towards higher temperatures in their thermal properties. Additionally, water solubility and oil adsorption capacity increased, while swelling power decreased following acid treatment. The acid treatment reduced the pasting properties of all samples, indicating that the modified starches were more resistant to heating and shearing in the rapid visco analyser. While quinoa starch gel remained soft after acid hydrolysis, the gel strength of cassava and faba bean starches improved significantly, making them suitable as plant-based gelling agents.https://www.mdpi.com/2304-8158/13/23/3885acid thinningacid hydrolysiscassava starchfaba bean starchquinoa starchemerging starches
spellingShingle Anthony Halim
Peter J. Torley
Asgar Farahnaky
Mahsa Majzoobi
Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
Foods
acid thinning
acid hydrolysis
cassava starch
faba bean starch
quinoa starch
emerging starches
title Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
title_full Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
title_fullStr Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
title_full_unstemmed Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
title_short Investigating the Effects of Acid Hydrolysis on Physicochemical Properties of Quinoa and Faba Bean Starches as Compared to Cassava Starch
title_sort investigating the effects of acid hydrolysis on physicochemical properties of quinoa and faba bean starches as compared to cassava starch
topic acid thinning
acid hydrolysis
cassava starch
faba bean starch
quinoa starch
emerging starches
url https://www.mdpi.com/2304-8158/13/23/3885
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AT peterjtorley investigatingtheeffectsofacidhydrolysisonphysicochemicalpropertiesofquinoaandfababeanstarchesascomparedtocassavastarch
AT asgarfarahnaky investigatingtheeffectsofacidhydrolysisonphysicochemicalpropertiesofquinoaandfababeanstarchesascomparedtocassavastarch
AT mahsamajzoobi investigatingtheeffectsofacidhydrolysisonphysicochemicalpropertiesofquinoaandfababeanstarchesascomparedtocassavastarch