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Physicochemical properties of starches from seed and rhizome of Enhalus acoroides

Starch, especially from terrestrial plants, is widely used in food and non-food industries. Marine macrophytes such as Enhalus acoroides also provide a considerable amount of starch in their storage parts such as rhizomes and seeds, but these have yet to be explored to fully understand their functio...

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Main Authors: Syed, Nurul Nur Farahin, Zakaria @ Ya, Muta Harah, Bujang, Japar Sidik, Ramaiya, Shiamala Devi, Hayashizaki, Kenichi
Format: Article
Language:English
Published: National Institute of Science and Technology 2019
Online Access:http://psasir.upm.edu.my/id/eprint/81727/1/Physicochemical%20properties%20of%20starches%20from%20seed%20and%20rhizome%20of%20Enhalus%20acoroides.pdf
http://psasir.upm.edu.my/id/eprint/81727/
https://www.researchgate.net/publication/334317139_Physicochemical_Properties_of_Starches_from_Seed_and_Rhizome_of_Enhalus_acoroides
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spelling my.upm.eprints.817272020-10-07T08:37:46Z http://psasir.upm.edu.my/id/eprint/81727/ Physicochemical properties of starches from seed and rhizome of Enhalus acoroides Syed, Nurul Nur Farahin Zakaria @ Ya, Muta Harah Bujang, Japar Sidik Ramaiya, Shiamala Devi Hayashizaki, Kenichi Starch, especially from terrestrial plants, is widely used in food and non-food industries. Marine macrophytes such as Enhalus acoroides also provide a considerable amount of starch in their storage parts such as rhizomes and seeds, but these have yet to be explored to fully understand their functionality. This study focused on the morphology, chemical composition and functional properties of starch from Enhalus acoroides collected from Tanjung Adang Laut shoal, Johor, Malaysia. Starch granules from the seeds were oval, 4.6-28.0 μm in length along the major axis, and possessed a centric Maltese cross, whereas starch granules from the rhizome were rod-shaped, 28.9-53.8 μm long, and with both centric and eccentric Maltese crosses. Seeds yielded 48.9% total starch, much higher than 14.4% in rhizomes. In contrast, resistant starch and amylose accumulated in the rhizomes were 75.3% and 18.8% compared to 1.7% and 10.8% in the seeds, respectively. As for proximate composition, the seeds contained 7.5% protein and 1.4% lipid, both higher than the 3.3% protein and 0.3% lipid in the rhizomes. The phosphorus content of rhizome starch was higher (429.6 mg/kg) than in the seed starch (117.9 mg/kg). X-ray diffractograms showed that the seed starch possessed A-type crystallinity, while rhizome starch was categorized under C-type crystallinity. For starch gelatinization, the seed starch required higher energy (7.7 Jg-1) than the rhizome starch (4.8 Jg-1) while the viscosity value of both seed and rhizome starches were similar. The findings obtained may serve as baseline data and as a guideline on the usage of E. acoroides starches in food and non-food formulations. National Institute of Science and Technology 2019 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/81727/1/Physicochemical%20properties%20of%20starches%20from%20seed%20and%20rhizome%20of%20Enhalus%20acoroides.pdf Syed, Nurul Nur Farahin and Zakaria @ Ya, Muta Harah and Bujang, Japar Sidik and Ramaiya, Shiamala Devi and Hayashizaki, Kenichi (2019) Physicochemical properties of starches from seed and rhizome of Enhalus acoroides. Phillipine Journal of Natural Sciences, 24. pp. 27-33. ISSN 2619-6816 https://www.researchgate.net/publication/334317139_Physicochemical_Properties_of_Starches_from_Seed_and_Rhizome_of_Enhalus_acoroides
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Starch, especially from terrestrial plants, is widely used in food and non-food industries. Marine macrophytes such as Enhalus acoroides also provide a considerable amount of starch in their storage parts such as rhizomes and seeds, but these have yet to be explored to fully understand their functionality. This study focused on the morphology, chemical composition and functional properties of starch from Enhalus acoroides collected from Tanjung Adang Laut shoal, Johor, Malaysia. Starch granules from the seeds were oval, 4.6-28.0 μm in length along the major axis, and possessed a centric Maltese cross, whereas starch granules from the rhizome were rod-shaped, 28.9-53.8 μm long, and with both centric and eccentric Maltese crosses. Seeds yielded 48.9% total starch, much higher than 14.4% in rhizomes. In contrast, resistant starch and amylose accumulated in the rhizomes were 75.3% and 18.8% compared to 1.7% and 10.8% in the seeds, respectively. As for proximate composition, the seeds contained 7.5% protein and 1.4% lipid, both higher than the 3.3% protein and 0.3% lipid in the rhizomes. The phosphorus content of rhizome starch was higher (429.6 mg/kg) than in the seed starch (117.9 mg/kg). X-ray diffractograms showed that the seed starch possessed A-type crystallinity, while rhizome starch was categorized under C-type crystallinity. For starch gelatinization, the seed starch required higher energy (7.7 Jg-1) than the rhizome starch (4.8 Jg-1) while the viscosity value of both seed and rhizome starches were similar. The findings obtained may serve as baseline data and as a guideline on the usage of E. acoroides starches in food and non-food formulations.
format Article
author Syed, Nurul Nur Farahin
Zakaria @ Ya, Muta Harah
Bujang, Japar Sidik
Ramaiya, Shiamala Devi
Hayashizaki, Kenichi
spellingShingle Syed, Nurul Nur Farahin
Zakaria @ Ya, Muta Harah
Bujang, Japar Sidik
Ramaiya, Shiamala Devi
Hayashizaki, Kenichi
Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
author_facet Syed, Nurul Nur Farahin
Zakaria @ Ya, Muta Harah
Bujang, Japar Sidik
Ramaiya, Shiamala Devi
Hayashizaki, Kenichi
author_sort Syed, Nurul Nur Farahin
title Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
title_short Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
title_full Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
title_fullStr Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
title_full_unstemmed Physicochemical properties of starches from seed and rhizome of Enhalus acoroides
title_sort physicochemical properties of starches from seed and rhizome of enhalus acoroides
publisher National Institute of Science and Technology
publishDate 2019
url http://psasir.upm.edu.my/id/eprint/81727/1/Physicochemical%20properties%20of%20starches%20from%20seed%20and%20rhizome%20of%20Enhalus%20acoroides.pdf
http://psasir.upm.edu.my/id/eprint/81727/
https://www.researchgate.net/publication/334317139_Physicochemical_Properties_of_Starches_from_Seed_and_Rhizome_of_Enhalus_acoroides
_version_ 1680322375296483328
score 13.211869

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