Seasonal variation of fatty acid profile in edible tissue of deep-sea whip lobster Puerulus sewelli (Decapoda, Palinuridae)


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Authors

  • Kajal Chakraborty Central Marine Fisheries Research Institute
  • SOUMYA KRISHNAN Central Marine Fisheries Research Institute
  • REKHA DEVI CHAKRABORTY Central Marine Fisheries Research Institute
  • ASWATHY ELIZABETH MANI Central Marine Fisheries Research Institute
  • P. VIJAYAGOPAL Central Marine Fisheries Research Institute

https://doi.org/10.21077/ijf.2022.69.4.117646-18

Abstract

 Seasonal variations of the fatty acid profile of deep-sea whip lobster Puerulus sewelli (Decapoda, Palinuridae), harvested
from the south-west coast of India were compared. Fatty acid contents showed seasonal fluctuations, with eicosapentaenoic
acid and docosahexaenoic acid being predominant during the post-monsoon and winter seasons (9-11% of cumulative fatty
acids). P. sewelli was found to possess considerably higher C20-22 n-3 fatty acids during these seasons along with balanced
n-3/n-6 (>2) and polyunsaturated/saturated fatty acid ratio (≥1) than those in pre-monsoon. Greater hypocholesterolemic/
hypercholesterolemic ratio (>2.4) and lesser atherogenicity (<1.8) and thrombogenicity (<0.3) indices qualify P. sewelli an
ideal health food. This study comprises the first report on fatty acid profile from commercially important deep-sea whip
lobster P. sewelli.

Keywords: Atherogenicity index, Non-conventional resource, Polyunsaturated fatty acid, Seafood benefits, Thrombogenicity index

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Author Biographies

Kajal Chakraborty, Central Marine Fisheries Research Institute

Principal Scientist, Marine Biotechnology Division

SOUMYA KRISHNAN, Central Marine Fisheries Research Institute

Senior Research Fellow, Marine Biotechnology Division

REKHA DEVI CHAKRABORTY, Central Marine Fisheries Research Institute

Principal Scientist, Crustacean Fisheries Division

ASWATHY ELIZABETH MANI, Central Marine Fisheries Research Institute

Postdoctoral Fellow, Marine Biotechnology Division

P. VIJAYAGOPAL, Central Marine Fisheries Research Institute

Formerly (Retd) Principal Scientist, Marine Biotechnology Division

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Submitted

2021-11-06

Published

2022-12-31

How to Cite

Chakraborty, K., KRISHNAN, S., CHAKRABORTY, R. D., MANI, A. E., & VIJAYAGOPAL, P. (2022). Seasonal variation of fatty acid profile in edible tissue of deep-sea whip lobster Puerulus sewelli (Decapoda, Palinuridae). Indian Journal of Fisheries, 69(4). https://doi.org/10.21077/ijf.2022.69.4.117646-18

Issue

Vol. 69 No. 4 (2022)

Section

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