Effects of different salinities on growth rate, clorophyll a, total protein and lipid content of chlorella vulgaris.

Kamala Mariappan, (2005) Effects of different salinities on growth rate, clorophyll a, total protein and lipid content of chlorella vulgaris. Universiti Malaysia Sabah. (Unpublished)

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Abstract

Chlarella vulgaris, a freshwater microalgae has a high potential as feed in the aquaculture industry. C. vulgaris was cultured outdoors under different salinities at 0, 5, 15 and 30ppt. The study intended to determine salinity's effect on growth, chlorophyll a, total protein and lipid content of C. vulgaris. C. vulgaris cultured in 5ppt attained the highest growth rate, chlorophyll Q and protein content at 13.83 x 10� mL�¹, 0.33mgL�¹ and 63.07% of dry weight respectively.C. vulgaris cultured in 15ppt has the highest total lipid content of 20.24% of dry weight. It was observed that total lipid content had decreased with increasing protein content in control (0ppt) and 5ppt treatments. C. vulgaris cultured in 30ppt had the lowest growth rate and biochemical composition, indicating that salinity beyond the tolerance level could cause stress in C. vulgaris, thus resulting in disruption of cellular metabolism. Changes in salinity have shown a significant difference on the growth rate, chlorophyll a, total protein and lipid content of C. vulgaris (P<0.05).

Item Type: Academic Exercise
Uncontrolled Keywords: freshwater microalgae, Chlarella vulgaris, salinity, lipid, protein, chlorophyll
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: SCHOOL > School of Science and Technology
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 17 Mar 2015 06:47
Last Modified: 24 Oct 2017 07:08
URI: http://eprints.ums.edu.my/id/eprint/10598

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