Abstract
The study aimed to address the pervasive issue of inadequate nutrition in Bangladesh by analyzing eight distinct fish species, a pivotal step toward developing fish powder as a promising dietary supplement for nutritional enhancement. Samples from the Mathabhanga River in Chuadanga were rigorously processed and oven-dried to assess their nutritional properties, focusing on proximate composition, mineral content, and amino acid profile. Among the studied fish species, C. reba demonstrated the highest energy content (198.56 Kcal/100 g, p < 0.001), with notably elevated crude protein content (16.99 g/100 g, p < 0.001) compared to all except N. notopterus. The mineral composition order in fish powders was Ca > P > Fe > Na > Mg. Leucine emerged as the predominant essential amino acid (EAA) (6.84 to 32.15 mg/g, p < 0.001) among the species. O. pabo exhibited notably higher total EAA (∑EAA) levels (124.30 mg/g, p < 0.05) compared to other species. P. ticto showed a significantly higher ratio of total essential and non-essential amino acid content (∑EAA/∑NEAA) (0.41, p < 0.05) compared to other species. These findings underscored the nutritional value of the studied fish species, advocating their utilization as a dietary supplement to address malnutrition in Bangladesh.
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