Malaysian Applied Biology Journal

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43_1_04

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Malays. Appl. Biol. (2014) 43(1): 31–39

 

FATTY ACID PROFILING OF BENTHIC HARPACTICOID
(Pararobertsonia sp.) EXPOSED TO ENVIRONMENTAL STRESSES

 


ZALEHA, K.1*, AKBAR JOHN2,3, HIDAYAH ASGNARI1, AL-AAMA.4 and FUAD, M.A.M.2

 


1Fisheries Department, Faculty of Fisheries and Aqua Industries (FPAI),
University Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, Malaysia.
2Institute of Oceanography and Maritime studies (INOCEM),
3Kulliyyah of Science, International Islamic University Malaysia, Jalan Sultan Ahmad Shah,
Bandar Indera Mahkota, 25200, Kuantan Pahang, Malaysia.
4Kulliyyah of Pharmacy, International Islamic University Malaysia, Jalan Sultan Ahmad Shah,
Bandar Indera Mahkota, 25200, Kuantan Pahang, Malaysia.
*Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it , This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Telephone: +60-109019245

 


ABSTRACT

 


Effect of various environmental stresses on the fatty acid (FA) profile of benthic harpacticoid copepod (Pararobertsonia sp.) was checked In vitro. Samples were exposed to different pH (5, 7 and 9) and salinity (15, 20, 25, 30 and 35 ppt) at constant temperature 25ºC for 30 days. After the treatment, different fatty acid levels were determined using Gas Chromatography and Mass Spectrometry (GC-MS). Results clearly indicated the positive influence of the combined effect of environmental parameters on the fatty acid content in experimental samples. The detected FAs were ranging from C5-24. Palmetic and oleic acids were in higher percentage in all the experiments. Results clearly indicated that pH7:25ppt & 35ppt at 25ºC ambient water temperature would help in producing copepods (Pararobertsonia sp.) that expresses rich fatty acid profile with high EPA/DHA ratio.

Key words: Fatty acid, harpacticoid copepod, Pararobertsonia sp., environmental stress



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