PROXIMATE AND MINERAL COMPOSITION OF FOUR TENGRA (MYSTUS SP.) FISHES OF BANGLADESH

H.  Ara; M.  Jesmin; S.M.  Rahman; K.M.R.  Karim; M.S.  Rahaman

doi:10.53808/KUS.2006.7.2.0618-L

Authors

H. Ara Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
M. Jesmin bDepartment of Applied Chemistry and Chemical Technology, Rajshahi University, Rajshahi 6205, Bangladesh
S.M. Rahman Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
K.M.R. Karim Department of Applied Chemistry and Chemical Technology, Rajshahi University, Rajshahi 6205, Bangladesh
M.S. Rahaman Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2006.7.2.0618-L

Keywords:

Mystu, proximate composition, macro minerals, micro minerals

Abstract

Body flesh of the four fish species (Mystus) namely Mystus gulio, Mystus bleekeri, Mystus cavasius, and Mystus vittatus were collected and proximate composition and mineral contents (Na, K, Ca, Mg, P, Fe, Zn and Cu) were analyzed. The highest amount of protein (22.2±0.94%) and lipid (5.25±0.64%) were found in M. gulio. The maximum moisture (79.31±1.86%) and ash content (1.45±0.14%) were observed in M. cavasius where the M. gulio showed the lowest moisture content (71.5±0.95 %) and M. vittatus showed the lowest ash content (1.03±0.06%).The concentration range of Ca, Na, K, Mg, and P were 128±5.09 mg to 288± 2.94 mg, 67.2±0.8 to 86±2.16 mg, 254.5±2.43 to 316.8±3.98 mg, 43.0±1.31 to 47.4±1.31 mg and 122.5±1.89 to 220±1.8 mg per 100 g fish flesh respectively. M. gulio showed the highest amount of Na (86±2.16 mg) and P (220±1.8 mg). Among four species of Mystus fish, M. cavasius had the highest amount of Ca (288±2.94 mg) while M. vittatus showed the highest amount of both K (316.8±3.98 mg) and Mg (47.40±1.31 mg). Micro mineral contents in different Mystus species were more or less similar except the M. bleekeri, which showed a higher concentration of Fe (5.47±0.56 mg) where as M. cavasius contained no Cu.

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