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 Q.; Kodagoda, Gethmini; Phan, Anh Dao Thi; Wright, Olivia; Sultanbawa, Yasmina; Osborne, Simone; Netzel, M.

doi:10.3390/molecules28104004

Cited by 2 publications

(2 citation statements)

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“…This study investigated the sensory profiles of four edible halophytes that grow in Australia and are consumed by the indigenous people. Saltbush, samphire, seablite, and seapurslane are important Australian indigenous edible halophytes (AIEH), which have received substantial scientific interest recently (Srivarathan et al, 2021a(Srivarathan et al, , 2022(Srivarathan et al, , 2023a(Srivarathan et al, , 2023b.…”

Section: Introductionmentioning

confidence: 99%

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Assessing the potential of Australian indigenous edible halophytes as salt substitutes: From wild to plate

Srivarathan,

Olarte Mantilla,

Phan

et al. 2024

Journal of Food Science

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Increased salt (sodium chloride (NaCl)) consumption contributes to high blood pressure, increasing the risk of cardiovascular disease. Reducing the intake of NaCl could result in significant public health benefits. Australian grown halophytes are consumed traditionally by indigenous communities as food and medicine. The importance of halophytes has been recently “rediscovered” due to their salty taste and crunchy texture. This study aimed to assess the potential of Australian indigenous edible halophytes (AIEH) as salt substitutes. A benchtop test was carried out to establish a sensory lexicon of four important AIEH (samphire, seapurslane, seablite, and saltbush) and to select the most promising halophyte based on sensory attributes and nutritional composition. Samphire and saltbush, the most common and commercially important halophytes, were used as comparisons. Semolina was used to prepare the halophyte‐based test food for the benchtop sensory study. Results of the formal sensory study showed that the growing location of samphire and saltbush can significantly affect their sensory attributes. Samphire had the most favorable sensory attributes and nutritional quality, with dry herb and bran aroma and flavor, whereas the saltbush test food preparations had herbaceous, minty dry wood, and green fruit aroma and flavor. The “optimal” concentration of added freeze‐dried samphire/saltbush powder was determined based on the saltiness perception of the NaCl‐semolina formulation (0.3% table salt equivalent to 1% samphire freeze‐dried powder and 1.4%–2.0% saltbush freeze‐dried powder, respectively). This study provided novel and crucial information on the potential use of AIEH as natural salt substitutes.Practical ApplicationThere is an increasing demand for natural salt substitutes. Halophytes are salt tolerant plants that sustain in arid or semiarid areas and have the potential to be used as natural salt substitutes. To the best of our knowledge, this is the first study reporting the sensory profiles of four important Australian indigenous edible halophytes (samphire, seapurslane, seablite, and saltbush). This study also demonstrated how different growing locations can affect the sensory attributes of halophytes and subsequently their potential food applications. Our findings provide critical information and data to further study halophytes in the context of novel food applications.

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Section: Introductionmentioning

confidence: 99%

“…According to Srivarathan and coauthors, AIEH are good sources of fiber, protein, minerals, and trace elements. Furthermore, considerable amounts of vitamin C and folate are present in seapurslane and saltbush (Srivarathan et al, 2021a(Srivarathan et al, , 2021b(Srivarathan et al, , 2023a(Srivarathan et al, , 2023b.…”

Section: Introductionmentioning

confidence: 99%

Assessing the potential of Australian indigenous edible halophytes as salt substitutes: From wild to plate

Srivarathan,

Olarte Mantilla,

Phan

et al. 2024

Journal of Food Science

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Antinutrients in Halophyte-Based Crops

Ullah,

Bano,

Khan

2024

Front. Biosci. (Landmark Ed)

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The cultivation of halophytes is an alternative approach to sustain agricultural productivity under changing climate. They are densely equipped with a diverse group of metabolites that serve multiple functions, such as providing tolerance to plants against extreme conditions, being used as a food source by humans and ruminants and containing bioactive compounds of medicinal importance. However, some metabolites, when synthesized in greater concentration above their threshold level, are considered antinutrients. Widely reported antinutrients include terpenes, saponins, phytate, alkaloids, cyanides, tannins, lectins, protease inhibitors, calcium oxalate, etc. They reduce the body's ability to absorb essential nutrients from the diet and also cause serious health problems. This review focuses on antinutrients found both in wild and edible halophytes and their beneficial as well as adverse effects on human health. Efforts were made to highlight such antinutrients with scientific evidence and describe some processing methods that might help in reducing antinutrients while using halophytes as a food crop in future biosaline agriculture.

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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

Cited by 2 publications

References 73 publications

Assessing the potential of Australian indigenous edible halophytes as salt substitutes: From wild to plate

Assessing the potential of Australian indigenous edible halophytes as salt substitutes: From wild to plate

Antinutrients in Halophyte-Based Crops

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