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Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes

Halophytes are considered emerging functional foods as they are high in protein, minerals, and trace elements, although studies investigating halophyte digestibility, bioaccessibility, and intestinal absorption are limited. Therefore, this study investigated the in vitro protein digestibility, bioac...

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Autores principales: Srivarathan, Sukirtha, Addepalli, Rama, Adiamo, Oladipupo Qudus, Kodagoda, Gethmini Kavindya, Phan, Anh Dao Thi, Wright, Olivia Renee Louise, Sultanbawa, Yasmina, Osborne, Simone, Netzel, Michael Erich
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10222652/
https://www.ncbi.nlm.nih.gov/pubmed/37241743
http://dx.doi.org/10.3390/molecules28104004
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author Srivarathan, Sukirtha
Addepalli, Rama
Adiamo, Oladipupo Qudus
Kodagoda, Gethmini Kavindya
Phan, Anh Dao Thi
Wright, Olivia Renee Louise
Sultanbawa, Yasmina
Osborne, Simone
Netzel, Michael Erich
author_facet Srivarathan, Sukirtha
Addepalli, Rama
Adiamo, Oladipupo Qudus
Kodagoda, Gethmini Kavindya
Phan, Anh Dao Thi
Wright, Olivia Renee Louise
Sultanbawa, Yasmina
Osborne, Simone
Netzel, Michael Erich
author_sort Srivarathan, Sukirtha
collection PubMed
description Halophytes are considered emerging functional foods as they are high in protein, minerals, and trace elements, although studies investigating halophyte digestibility, bioaccessibility, and intestinal absorption are limited. Therefore, this study investigated the in vitro protein digestibility, bioaccessibility and intestinal absorption of minerals and trace elements in saltbush and samphire, two important Australian indigenous halophytes. The total amino acid contents of samphire and saltbush were 42.5 and 87.3 mg/g DW, and even though saltbush had a higher total protein content overall, the in vitro digestibility of samphire protein was higher than the saltbush protein. The in vitro bioaccessibility of Mg, Fe, and Zn was higher in freeze-dried halophyte powder compared to the halophyte test food, suggesting that the food matrix has a significant impact on mineral and trace element bioaccessibility. However, the samphire test food digesta had the highest intestinal Fe absorption rate, whereas the saltbush digesta exhibited the lowest (37.7 vs. 8.9 ng/mL ferritin). The present study provides crucial data about the digestive “fate” of halophyte protein, minerals, and trace elements and increases the understanding of these underutilized indigenous edible plants as future functional foods.
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spelling pubmed-102226522023-05-28 Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes Srivarathan, Sukirtha Addepalli, Rama Adiamo, Oladipupo Qudus Kodagoda, Gethmini Kavindya Phan, Anh Dao Thi Wright, Olivia Renee Louise Sultanbawa, Yasmina Osborne, Simone Netzel, Michael Erich Molecules Article Halophytes are considered emerging functional foods as they are high in protein, minerals, and trace elements, although studies investigating halophyte digestibility, bioaccessibility, and intestinal absorption are limited. Therefore, this study investigated the in vitro protein digestibility, bioaccessibility and intestinal absorption of minerals and trace elements in saltbush and samphire, two important Australian indigenous halophytes. The total amino acid contents of samphire and saltbush were 42.5 and 87.3 mg/g DW, and even though saltbush had a higher total protein content overall, the in vitro digestibility of samphire protein was higher than the saltbush protein. The in vitro bioaccessibility of Mg, Fe, and Zn was higher in freeze-dried halophyte powder compared to the halophyte test food, suggesting that the food matrix has a significant impact on mineral and trace element bioaccessibility. However, the samphire test food digesta had the highest intestinal Fe absorption rate, whereas the saltbush digesta exhibited the lowest (37.7 vs. 8.9 ng/mL ferritin). The present study provides crucial data about the digestive “fate” of halophyte protein, minerals, and trace elements and increases the understanding of these underutilized indigenous edible plants as future functional foods. MDPI 2023-05-10 /pmc/articles/PMC10222652/ /pubmed/37241743 http://dx.doi.org/10.3390/molecules28104004 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Srivarathan, Sukirtha
Addepalli, Rama
Adiamo, Oladipupo Qudus
Kodagoda, Gethmini Kavindya
Phan, Anh Dao Thi
Wright, Olivia Renee Louise
Sultanbawa, Yasmina
Osborne, Simone
Netzel, Michael Erich
Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title_full Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title_fullStr Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title_full_unstemmed Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title_short Edible Halophytes with Functional Properties: In Vitro Protein Digestibility and Bioaccessibility and Intestinal Absorption of Minerals and Trace Elements from Australian Indigenous Halophytes
title_sort edible halophytes with functional properties: in vitro protein digestibility and bioaccessibility and intestinal absorption of minerals and trace elements from australian indigenous halophytes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10222652/
https://www.ncbi.nlm.nih.gov/pubmed/37241743
http://dx.doi.org/10.3390/molecules28104004
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