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Nutritional properties of commercially important cephalopods from the south-west coast of India: Nutritional qualities of cephalopod mollusks

Indian Agricultural Research Journals

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Title Nutritional properties of commercially important cephalopods from the south-west coast of India: Nutritional qualities of cephalopod mollusks
 
Creator Silpa Kunnappilly Paulose
Chakraborty, Kajal
 
Description Cephalopods are widely regarded as healthy and nutritionally rich seafood resources. This study focuses on analysing the nutritional composition of six commercially important edible cephalopod species viz., Cistopus indicus, Amphioctopus marginatus, Amphioctopus aegina, Sepia pharaonis, Sepia elliptica and Sepia aculeata, from the Malabar coast of the Indian peninsula. The selected cephalopods were determined to be a rich source of protein ranging from 12.41 to 19.02 g 100 g-1. The amino acid profile demonstrated a balanced ratio of essential to non-essential amino acids (0.93-1.63) with a higher concentration of essential amino acids, attributing enhanced biological value of proteins in these cephalopods. S. pharaonis recorded the highest arginine-to-lysine ratio (~1.77), indicating excellent cholesterolemic index. Notably, octopus species had the lowest total cholesterol content (~100 mg 100 g-1) compared to cuttlefish species which recorded higher cholesterol levels (~160 mg 100 g-1). A. marginatus recorded more significant quantities of polyunsaturated fatty acids (PUFA) (36.85% total fatty acids) among all the species studied. Octopus species exhibited significantly greater Σn-3/Σn-6 ratio than cuttlefish species. The ideal atherogenicity/thrombogenicity indices (<1.0) in the edible tissues of the studied cephalopods qualify these species as potentially healthy food. A. aegina was found to exhibit greater vitamin E (α-tocopherol) contents (17.84 IU), whereas ascorbic acid was pronounced more in A. marginatus (47.06 μg 100 g-1). The higher vitamin D3 content in A. aegina (96.23 μg 100 g-1) among the species studied, highlights its potential role in preventing osteoporosis in adults. Among microelements such as iron and zinc were found in significant quantities in the cephalopod species studied. The findings from the current study provide valuable insights into the nutritional benefits of these species, positioning them as promising candidates for the seafood industry as possible healthy dietary options.
 
Keywords: Amino acid composition, Atherogenicity index, Cephalopods, Fatty acid composition, Thrombogenicity index
 
Publisher Central Marine Fisheries Research Institute (on behalf of Indian Council of Agricultural
 
Date 2024-09-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJF/article/view/143304
10.21077/ijf.2024.71.3.143304-14
 
Source Indian Journal of Fisheries; Vol. 71 No. 3 (2024)
0970-6011
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJF/article/view/143304/56047
 
Rights Copyright (c) 2024 Indian Journal of Fisheries
https://creativecommons.org/licenses/by-nd/4.0