Citation
Abstract
BACKGROUND: This study determined the effect of processing conditions on protein extractability from Azolla pinnata fern, and their influence on the physicochemical, structural, techno-functional properties and protein quality. RESULTS: The protein extraction from A. pinnata fern was optimized through response surface methodology obtaining a maximum yield of 18.93% with a recovery rate of 73.66%. The A. pinnata fern protein concentrate (AFPC) had five protein bands with a molecular weight ranging from 17 to 56 kDa. AFPC contained high ⊎-sheet structure (36.61%), favouring its good thermal properties with three endothermic peaks at 54.28, 86.52 and 166.25 °C. The AFPC scored ≥ 1 for all essential amino acids, except for lysine and histidine. The AFPC exhibited exceptionally high techno-functional properties, particularly for water holding (5.46 g g−1) and fat absorption capacity (10.08 g g−1), and gelling properties (5% gelation concentration). The AFPC had high in vitro digestibility of 73%, signifying its high availability for human consumption. CONCLUSION: The underexploited A. pinnata fern is a potential source of edible protein, thus a promising nutraceutical or ingredient of functional and health-promoting foods.
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Official URL or Download Paper: https://onlinelibrary.wiley.com/doi/10.1002/jsfa.1...
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Additional Metadata
Item Type: | Article |
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Divisions: | Faculty of Engineering Faculty of Food Science and Technology |
DOI Number: | https://doi.org/10.1002/jsfa.12059 |
Publisher: | John Wiley & Sons Ltd. |
Keywords: | Azolla pinnata; Optimization; Amino acid; Protein functionality; Secondary structure; Protein quality; Protein extractability; Physicochemical properties; Structural properties; Techno-functional properties; Green biomass; Processing conditions; Protein concentrate; Food security |
Depositing User: | Mr. Mohamad Syahrul Nizam Md Ishak |
Date Deposited: | 21 Mar 2024 09:16 |
Last Modified: | 21 Mar 2024 09:16 |
Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1002/jsfa.12059 |
URI: | http://psasir.upm.edu.my/id/eprint/102578 |
Statistic Details: | View Download Statistic |
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