Standing Stock, Agar Yield and Properties of Gracilaria salicornia Harvested along the Tanzanian Coast

Simple item page
dc.contributor.authorBuriyo, Amelia S.
dc.contributor.authorKivaisi, Amelia K.
dc.date.accessioned2016-04-22T10:45:26Z
dc.date.available2016-04-22T10:45:26Z
dc.date.issued2004
dc.description.abstractSeasonal biomass variation and agar yield of G. salicornia (C. Ag.) Dawson from Oyster Bay, Dar es Salaam, and Chwaka Bay, Zanzibar, were determined, and some properties of the agar examined. Mean biomass and canopy cover values ranged from 21–60 g/m2 and 7– 20 %, respectively. The highest mean biomass and cover values were obtained during the SE monsoon. Agar yield varied from 13.7 to 30.2 % (dry weight) and was highest during the dry NE monsoon period. Alkali treatment generally reduced agar yield by 25–56 %. Gel strength of the agar gels ranged between 118 and 251 g/cm2 and was significantly higher during the NE monsoon period (t = 2.2; P = 0.04 and t = 8.9; P << 0.05) for samples collected from Oyster Bay and Chwaka Bay respectively). Mean gel strengths of native agar samples (205 ± 45 g/cm2) was about 42 % of that of the standard agar used. The 3,6-anhydrogalactose content was highest during the rainy season (37.4–44.3 %) and tended to coincide with low gel strengths. Sulphate content varied between 0.5 and 2.8 % in both populations. It was concluded that the best period for harvesting G. salicornia for agar production in Tanzania is the dry (NE monsoon) period.en_US
dc.identifier.citationBuriyo, A.S. and Kivaisi, A.K., 2004. Standing stock, agar yield and properties of Gracilaria salicornia harvested along the Tanzanian Coast. Western Indian Ocean Journal of Marine Science, 2(2), pp.171-178.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1618
dc.language.isoenen_US
dc.subjectGracilaria salicorniaen_US
dc.subjectAgaren_US
dc.subjectYielden_US
dc.subjectProductivityen_US
dc.subjectBiomassen_US
dc.subjectTanzaniaen_US
dc.titleStanding Stock, Agar Yield and Properties of Gracilaria salicornia Harvested along the Tanzanian Coasten_US
dc.typeJournal Article, Peer Revieweden_US
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Standing Stock, Agar Yield and Properties of Gracilaria salicornia Harvested along the Tanzanian Coast.pdf
Size:
126.03 KB
Format:
Adobe Portable Document Format
Description:
Full Text
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Department of Molecular Biology and Biotechnology