Fauziee, Nur Afifah Mohd and Chang, Lee Sin and Mustapha, Wan Aida Wan and Md Nor, Adibi Rahiman and Lim, Seng Joe (2021) Functional polysaccharides of fucoidan, laminaran and alginate from Malaysian brown seaweeds (Sargassum polycystum, Turbinaria ornata and Padina boryana). International Journal of Biological Macromolecules, 167. pp. 1135-1145. ISSN 0141-8130, DOI https://doi.org/10.1016/j.ijbiomac.2020.11.067.
Full text not available from this repository.Abstract
Brown seaweeds are rich source of functional polysaccharides that exhibit various bioactivities. However, Malaysian seaweeds are under-utilised, leading to low revenue throughout the supply chain of the seaweed industry. The aims of this study were to extract the functional polysaccharides, namely fucoidan (F), laminaran (L) and alginate (A) from Malaysian brown seaweeds (Sargassum polycystum, Turbinaria ornata and Padina boryana) and subsequently evaluate the properties of the extracted polysaccharides. P. boryana recorded the significantly (p <= 0.05) highest carbohydrate content (74.78 +/- 1.63%) with highest fucoidan yield (F-pad = 1.59 +/- 0.16%) while T. ornata contained significantly (p = 0.05) highest alginate yield (A(tur) = 105.19 +/- 3.45%). Water activities of these extracted polysaccharides varied from 0.63-0.71 with average score of browning indexes (similar to 40). Fourier transform infrared (FTIR) spectroscopy analysis demonstrated that the extracted polysaccharides exhibited similar spectral pattern of spectra with the respective standards. Meanwhile, laminaran extracts showed the significantly highest (p <= 0.05) total phenolic contents (L-sar = 43.29 +/- 0.43 mgGAE/g) and superoxide anion scavenging activity (L-sig = 21.7 +/- 3.6%). On the other hand, the significantly highest (p <= 0.05) DPPH scavenging activity was recorded in alginate with A(sar) at 85.3 +/- 0.8%. These findings reported the properties and bioactivities of natural polysaccharides from Malaysian brown seaweeds that revealed the potential to develop high-value functional ingredients from Malaysian brown seaweeds. (C) 2020 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Kebangsaan Malaysia [GUP-2017052], Ministry of Education, Malaysia [PRGS/2/2019/WAB01/UKM/02/1] |
| Uncontrolled Keywords: | Antioxidant activities; Chemical bonds; Dietary fibre; Macroalgae; Proximate composition; Phenolic compounds; |
| Subjects: | Q Science > QD Chemistry Q Science > QH Natural history > QH301 Biology |
| Divisions: | Institute of Advanced Studies |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 13 Apr 2022 00:39 |
| Last Modified: | 13 Apr 2022 00:39 |
| URI: | http://eprints.um.edu.my/id/eprint/27948 |
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