Journal
FOOD AND BIOPRODUCTS PROCESSING
Volume 136, Issue -, Pages 59-66Publisher
ELSEVIER
DOI: 10.1016/j.fbp.2022.09.010
Keywords
Selenium; Antioxidant; Emulsion; Chickpea; Germination
Funding
- Nutriomics y Tecnologias Emergentes Research Chair Funds from Tecnologico de Monterrey
- Universidad Autonoma de Sinaloa
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) [CVU-935028]
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The study demonstrates the use of selenite-treated chickpea seeds to obtain selenium-enriched glutenin and albumin emulsions with improved emulsifying capacity, stability, and cellular antioxidant activity.
Chickpea seeds were germinated using 96 mg/L of sodium selenite (Na2SeO3) dissolved in the soaking water and germinated for 48 h. The total protein (PT), glutelin (Glu), albumin (Alb) and globulin (Glo) were extracted. Total selenium, electrophoretic profiles, and emulsifying capacity were determined in the fractions. Emulsions were formulated by sonication with 4% protein (Glu), 56% water and 40% olive oil. The control emulsion was produced with tween 20 instead of the protein. The zeta potential (ZP), polydispersity index (PDI), and droplet size were evaluated. The cellular antioxidant activity of the emulsions was evaluated in the Caco-2 cell line. Glu showed the highest Se accumulation followed by Alb and Glo. The protein profile was similar in all treatments. The emulsifying capacity of selenized Glu and Alb significantly increased by 8.6% and 7.8%, respectively. The selenized Glu (EGluSe) and non-selenized (EGlu) emulsions were more stable com-pared to the control emulsion (ETw). Highest ZP was observed in EGluSe (-16.27 mV). EGluSe showed the highest cellular antioxidant activity (CAA), being 11% higher than the observed for EGlu. Glutenin emulsions can be used in food or cosmetics to counteract cellular oxidative stress (c) 2022 Institution of Chemical Engineers. Published by Elsevier Ltd. All rights reserved.
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