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FATTY ACID PROFILE OF THE FRESHWATER CRAB, Paratelphusa hydrodromous (DECAPODA: BRACHYURA: GECARCINUCIDAE) FROM GADILAM RIVER, CUDDALORE, TAMIL NADU, INDIA

Author(s) Mr. Manikandan Ezhumalai, Dr. Muthalagi Somasundaram, Mrs. Geethanjali Selvaraj, Dr. Senthil Kumar Govindavelu
Country India
Abstract Freshwater crabs are ecologically significant and locally consumed across South Asia, yet their nutritional composition remains inadequately documented. This study investigated the proximate composition and fatty acid profile of Paratelphusa hydrodromous, a freshwater crab species collected from the Gadilam River in Cuddalore District, Tamil Nadu, India. Claw and body meat were analyzed separately using standard analytical methods. Proximate analysis revealed that claw meat contained significantly higher moisture (81.30±1.57%) and protein (49.06±1.01 g/100g dry weight) compared to body meat, while body meat exhibited higher lipid content (17.64±1.07%). Ash content was also elevated in claw meat (22.12±0.16%). Gas chromatography analysis of total lipids identified twelve fatty acids, with monounsaturated fatty acids (MUFAs) constituting the largest fraction (42.85%), followed by saturated fatty acids (SFAs) at 25.96% and polyunsaturated fatty acids (PUFAs) at 15.02%. Palmitic acid (20.49%) was the predominant saturated fatty acid. The high protein content and favorable fatty acid composition, particularly the substantial MUFA fraction, indicate that P. hydrodromous represents a nutritionally valuable food source. These findings provide baseline biochemical data essential for nutritional evaluation and sustainable utilization of freshwater crab resources in the region.
Keywords Freshwater crab, Paratelphusa hydrodromous, proximate composition, fatty acid profile, Gadilam River
Field Biology > Zoology
Published In Volume 16, Issue 4, October-December 2025
Published On 2025-11-09
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