Author(s): ANM Azizul Islam Khan, Md. Ahsan Bin Habib and Md. Idris Miah

Abstract: Chlorella vulgaris was cultured in different concentrations of red sugar medium (RSM_{0.4 g/l}, RSM_0.8g/l, and RSM_{1.2 g/l}) and in Bold basal medium (BBM) as control. Maximum cell growth (×10⁵)/ml of Chlorella vulgaris was found 200.21 on 8th day in red sugar medium (RSM_0.4 g/l) followed by BBM and other RSMs_. Similar trends were observed in case of chlorophyll a content and optical density of C. vulgaris grown in red sugar media (RSM) and BBM. Specific growth rates (SGRs) of cell number and chlorophyll a content were found maximum on 8th day of Chlorella vulgaris grown in RSM_{0.4 g/l} followed by other media of RSM and the BBM. Total biomass followed the similar trend. Proximate composition analysis of Chlorella vulgaris grown in different concentrations of RSM and BBM showed maximum protein 46.11% in RSM_{0.4 g/l} followed by 45.44% in BBM and all RSM media. Crude protein and crude lipid of the cultured C. vulgaris were found significantly (P<0.01) higher grown in RSM_{0.4 g/l} indicates that this food item may possibly be a promoting source of low cost culture medium for Chlorella vulgaris or any other microalgal species.

Pages: 136-141  |  978 Views  271 Downloads

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