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Title: Impact of ultraviolet-B radiation on a marine red alga Kappaphycus alvarezii (Solieriaceae, Rhodophyta)
Authors: Eswaran, K
Rao, P V Subba
Mairh, O P
Issue Date: Jun-2001
Publisher: CSIR
Abstract: Kappaphykus alvarezii (Doty) Doty, an exotic alga to Indian waters is one of the best sources of kappa carrageenan. It was cultured and 60 days old algal fragments were subjected to UV-B radiation (280-320 nm) for 30 to 180 minutes, in the laboratory and analysed for pigments and carrageenam content. A gradual decrease in pigment levels, soluble protein content, carrageenan yield, and in the properties of carrageenan was observed as compared to control. More than 150 min exposure to UV-B radiation strongly inhibited pigment accumulation (63.90 to 92.20%), carrageenan yield (21.68 to 33.82%), gel strength (81.17 to 82.90%) and protein (48.42 to 58.20%).
Page(s): 105-107
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.30(2) [June 2001]

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