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Evaluating the crude protein contents of some selected seaweeds of Sri Lanka

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dc.contributor.author Samarathunga, R.M.J.N.
dc.contributor.author Wijesekara, I.
dc.contributor.author Jayasinghe, M.A.
dc.date.accessioned 2023-04-04T05:49:37Z
dc.date.available 2023-04-04T05:49:37Z
dc.date.issued 2021
dc.identifier.citation Samarathunga, R.M.J.N., Wijesekara, I. & Jayasinghe, M.A. (2021). Evaluating the crude protein contents of some selected seaweeds of Sri Lanka. 77th Annual session of Sri Lanka Association for the Advancement of Science held on 6-11th December 2021. en_US
dc.identifier.uri http://dr.lib.sjp.ac.lk/handle/123456789/12696
dc.description.abstract Seaweeds have become an emerging source of proteins in the world. The objective of this study was to evaluate the crude protein content of selected seaweeds from Jaffna (Northern coast), Trincomalee (East coast), Hikkaduwa (West coast), Kalpitiya (North Western coast) and Matara (Southern coast) of Sri Lanka. The crude protein contents of cultivated and wild grown seaweeds were determined using the Kjeldahl method. The crude protein content of brown seaweeds such as Padina sp. (12.58 ± 1.05%), Sargassum filipendula (10.43 ±0.14%) and Turbinaria omata (8.15 ± 0.00%) were determined. Moreover, the crude protein content of green seaweeds such as Caulerpa racemosa (13.75 ± 1.08%), Ulva lactuca (6.95 ± 0.22%), Ulva fasciata (16.38 ± 0.38%) and Caulerpa lentilifera (14.51 ± 0.01%) as well as red seaweeds including Gracilaria edulis (10.64 ± 0.10%), Gracilaria corticata (16.21 ± 2.22%), Eucheuma denticulatum (6.62 ± 0.22%), Gracilaria verrucosa (16.77 ± 0.20%), Gracilaria salicornia (9.61 ± 0.01%) and Kappaphycus alvarezii (10.53 ± 0.06%) was evaluated. Data were statistically analysed by ANOVA method in Minitab software. There was a significant difference between the crude protein contents of different seaweed species (p£0.05 at 95% confidence interval). Generally, the crude protein content of seaweeds varies with the species, geographical location and harvesting period. Although Sri Lankan seaweeds contain considerable amounts of crude proteins, further studies on how these factors affect the protein content of seaweeds of Sri Lanka are essential before producing seaweed incorporated food products. en_US
dc.language.iso en en_US
dc.subject Chlorophyta, crude proteins, Kjeldahl method, phaeophyta, rhodophyta, seaweeds en_US
dc.title Evaluating the crude protein contents of some selected seaweeds of Sri Lanka en_US
dc.type Article en_US


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