Optimization of pH for extracting sinapates from mustard varieties using green technology

Mustard seeds contain higher levels of phenolic compounds, especially sinapine, compared to many other oilseeds. Due to their rich bioactive composition, mustard seeds have considerable potential in food and pharmaceutical industries as antimicrobials, antioxidants, and chemoprotective agents. The y...

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Main Authors: Thu Nguyen, Ruchira Nandasiri, Olamide Fadairo, N.A. Michael Eskin
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:Applied Food Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2772502223000628
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author Thu Nguyen
Ruchira Nandasiri
Olamide Fadairo
N.A. Michael Eskin
author_facet Thu Nguyen
Ruchira Nandasiri
Olamide Fadairo
N.A. Michael Eskin
author_sort Thu Nguyen
collection DOAJ
description Mustard seeds contain higher levels of phenolic compounds, especially sinapine, compared to many other oilseeds. Due to their rich bioactive composition, mustard seeds have considerable potential in food and pharmaceutical industries as antimicrobials, antioxidants, and chemoprotective agents. The yields of phenolic compounds, particularly the formation of canolol, could be substantially enhanced by modifying the pre-treatment conditions and extraction techniques. To achieve this, there is a need for innovative green technology methods to minimize environmental damage. This novel approach involved pre-heating by sautéing, and adjusting the pH of the extract to acid, alkaline or neutral conditions using safe household ingredients, such as vinegar and sodium bicarbonate. The treated whole or crushed seeds were then extracted by pressurized heating at 115 °C at 10.2 psi, and the extractability of the phenolic compounds was assessed.Statistical analysis of selected mustard varieties showed an interesting trend in which pH affected the mustard endogenous phenolic compound profile, in which neutral pH proved to be superior to acid and alkaline treatment Among the selected varieties, both yellow and black mustard had competitive amounts of sinapine, sinapic acid, and canolol. Sinapic acid and canolol were predominant in crushed black mustard seeds (2.71± 0.0.8 and 2.61± 0.35 mg/g DW, respectively) (p < 0.05). Meanwhile, crushed yellow mustard prevailed in sinapine concentration (385 ± 49.47 mg/g DW).Overall, on the basis of electrostatic interactions between the solvent and the extractants, using water with the combination of preheat treatment and pressure was an alternative green extraction method to optimize the extraction of phenolic compounds from Oriental, black, and yellow mustard seeds.
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spelling doaj.art-8f7e255d3a994d05b11867b2f30aead52023-12-12T04:37:01ZengElsevierApplied Food Research2772-50222023-12-0132100323Optimization of pH for extracting sinapates from mustard varieties using green technologyThu Nguyen0Ruchira Nandasiri1Olamide Fadairo2N.A. Michael Eskin3Department of Food &amp; Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Richardson Centre for Functional Foods &amp; Nutraceuticals, 196 Innovation Drive, Winnipeg, Manitoba R3T 6C5, CanadaDepartment of Food &amp; Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Richardson Centre for Functional Foods &amp; Nutraceuticals, 196 Innovation Drive, Winnipeg, Manitoba R3T 6C5, Canada; St. Boniface Albrechtsen Research Centre, 351 Tache Ave, Winnipeg, Manitoba R2H 2A6, Canada; Corresponding authors.Department of Food &amp; Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Richardson Centre for Functional Foods &amp; Nutraceuticals, 196 Innovation Drive, Winnipeg, Manitoba R3T 6C5, CanadaDepartment of Food &amp; Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Richardson Centre for Functional Foods &amp; Nutraceuticals, 196 Innovation Drive, Winnipeg, Manitoba R3T 6C5, Canada; Corresponding authors.Mustard seeds contain higher levels of phenolic compounds, especially sinapine, compared to many other oilseeds. Due to their rich bioactive composition, mustard seeds have considerable potential in food and pharmaceutical industries as antimicrobials, antioxidants, and chemoprotective agents. The yields of phenolic compounds, particularly the formation of canolol, could be substantially enhanced by modifying the pre-treatment conditions and extraction techniques. To achieve this, there is a need for innovative green technology methods to minimize environmental damage. This novel approach involved pre-heating by sautéing, and adjusting the pH of the extract to acid, alkaline or neutral conditions using safe household ingredients, such as vinegar and sodium bicarbonate. The treated whole or crushed seeds were then extracted by pressurized heating at 115 °C at 10.2 psi, and the extractability of the phenolic compounds was assessed.Statistical analysis of selected mustard varieties showed an interesting trend in which pH affected the mustard endogenous phenolic compound profile, in which neutral pH proved to be superior to acid and alkaline treatment Among the selected varieties, both yellow and black mustard had competitive amounts of sinapine, sinapic acid, and canolol. Sinapic acid and canolol were predominant in crushed black mustard seeds (2.71± 0.0.8 and 2.61± 0.35 mg/g DW, respectively) (p < 0.05). Meanwhile, crushed yellow mustard prevailed in sinapine concentration (385 ± 49.47 mg/g DW).Overall, on the basis of electrostatic interactions between the solvent and the extractants, using water with the combination of preheat treatment and pressure was an alternative green extraction method to optimize the extraction of phenolic compounds from Oriental, black, and yellow mustard seeds.http://www.sciencedirect.com/science/article/pii/S2772502223000628Mustard seedsSinapatesGreen technologypHPressurized extraction
spellingShingle Thu Nguyen
Ruchira Nandasiri
Olamide Fadairo
N.A. Michael Eskin
Optimization of pH for extracting sinapates from mustard varieties using green technology
Applied Food Research
Mustard seeds
Sinapates
Green technology
pH
Pressurized extraction
title Optimization of pH for extracting sinapates from mustard varieties using green technology
title_full Optimization of pH for extracting sinapates from mustard varieties using green technology
title_fullStr Optimization of pH for extracting sinapates from mustard varieties using green technology
title_full_unstemmed Optimization of pH for extracting sinapates from mustard varieties using green technology
title_short Optimization of pH for extracting sinapates from mustard varieties using green technology
title_sort optimization of ph for extracting sinapates from mustard varieties using green technology
topic Mustard seeds
Sinapates
Green technology
pH
Pressurized extraction
url http://www.sciencedirect.com/science/article/pii/S2772502223000628
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AT olamidefadairo optimizationofphforextractingsinapatesfrommustardvarietiesusinggreentechnology
AT namichaeleskin optimizationofphforextractingsinapatesfrommustardvarietiesusinggreentechnology