Effect of Treatments (Lemon, Mustard and Garlic) on the Minerals Value of Smoked Hilsa (Tenualosa ilisha) During Storage Period

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Abstract
The study was designed to investigate the effect of both the duration of storage and treatments (lemon, mustrard and garlic) methods on minerals (Ca, P, Fe, Mn, Cu, Mg and Zn) value of smoked hilsa in six selected regions (Chandpur, Barisal, Patuakhali, Bhola, Shariatpur and Cox’s Bazar). Minerals (Ca, P, Fe, Mn, Cu, Mg and Zn) composition was increased by treatments but gradually decreased variedly with duration of storage smoked hilsa. The calcium (Ca), phosphorus (P), iron (Fe), manganese (Mn), copper (Cu) magnesium (Mg) and zinc (Zn) were found 910.55±11.79 to 853.57±11.09 mg/100g, 228.53±4.37 to 83.60±8.75 mg/100g, 12.45±0.97 to 7.07±1.85 mg/100g, 21.58±0.48 to 7.89±0.75 mg/100g, 3.15±0.16 to 0.90±0.05 mg/100g, 60.54±10.66 to 36.31±1.85 mg/100g and 2.97±0.10 to 0.92±0.02 mg/100g respectively. Generally, the minerals reduced more in the first month of storage. The results suggest that storage period to be a negative effect on the minearls values of smoked hilsa. Hence, smoked hilsa should be consumed while fresh and if it is to be stored, the period must be as short as possible to provide optimal levels of minerals.

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