Studies on Tanzanian Hypneaceae: Seasonal Variation in Content and Quality of Kappa-Carrageenan from Hypnea musciformis (Gigartinales : Rhodophyta)

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dc.contributor.authorMtolera, Matern S. P.
dc.contributor.authorBuriyo, Amelia S.
dc.date.accessioned2016-04-22T07:43:34Z
dc.date.available2016-04-22T07:43:34Z
dc.date.issued2005
dc.descriptionFull text can be accessed at http://www.ajol.info/index.php/wiojms/article/view/28449en_US
dc.description.abstractSeasonal effects on yield and quality of kappa-carrageenan from the red alga Hypnea musciformis were investigated in samples collected from natural populations in Oyster Bay, Dar es Salaam during June 1996May 1997. The mean annual carrageenan yield, gel strength (after treatment with 0.1 M KCl) gelling and melting temperature (±standard deviation) were 25.24 ±4.44 % dry weight, 171.72 ±41.42 g/cm2, 54.66 ±3.12 C and 68.62 ±0.60 C, respectively. Carrageenan yield and quality (gel strength) during the SE and NE monsoon seasons were not significantly different (t = 0.55, p > 0.05) and (t = 1.91, p > 0.05), respectively. The reported carrageenan yield and gel strength values were, respectively, about 50% and 40% those of carrageenan from Kappaphycus alvarezii. Although the carrageenan properties from H. musciformis were promising, its natural populations are generally insufficient to sustain the pressure of economic harvesting. Moreover, the extent to which its carrageenan yield and properties could be improved is not known. Suitable methods for mariculture are therefore needed before the resource can be exploited economically.en_US
dc.identifier.citationMtolera, M.S.P. and Buriyo, A.S., 2005. Studies on Tanzanian hypneaceae: seasonal variation in content and quality of Kappa-Carrageenan from Hypnea musciformis (Gigartinales: Rhodophyta). Western Indian Ocean Journal of Marine Science, 3(1), pp.43-49.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1615
dc.language.isoenen_US
dc.subjectHypneaceaeen_US
dc.subjectHypnea musciformisen_US
dc.subjectKappa-carrageenanen_US
dc.subjectSeasonal variationen_US
dc.titleStudies on Tanzanian Hypneaceae: Seasonal Variation in Content and Quality of Kappa-Carrageenan from Hypnea musciformis (Gigartinales : Rhodophyta)en_US
dc.typeJournal Articleen_US
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