Abstract
This study was aimed to determine and compared the chemical composition and some of the main minerals of ten economically important fish species from the Shatt Al-Arab River; Leuciscus vorax. Cyprinus carpio. Hypophthalmichthys molitrix. Ctenopharyngodon idella and Mesopotamichthys sharpeyi. And Iraqi coastal water to the NorthernWast Arabian gulf; Acanthopagrus arabicus. Otoliths ruber. Mugil cephlus. Tenualosa ilisha and Pampus argenteus. Moisture ranged from 65.65±1.81 % to 77.94±0.799 %. Protein from 15.81±0.893 to 19.44±0.418 %. Fat from 0.974±0.049 to 6.461±0.489 %. Ash from 0.886±0.03 % to 2.127±0.279 percent and caloric value was ranged from 116.173±2.7645 to 215.26±11.3828 kcal/100g. Main minerals; calcium. Potassium. Phosphorus and Iron ranged from 15.98 to 93.49. 53.34 to 839.92. 249.36 to 686.61and 0.52 to 11.92 mg ∕100g of the fish muscle. Respectively. M. cephlus was the highest in contents of calcium and potassium. While C. carpio was highest in phosphorous and Iron. Mineral elements as the following sequence K > P > Ca > Fe. Muscle tissues. The results showed that fishes from Shatt Al-Arab and Iraqi marine waters provide a strong supply of protein. Lipid and metals. These results can be used as useful references for consumers in order to choose fish based on their quality and nutritional contents.
Highlights
The results showed that fishes from Shatt Al-Arab and Iraqi marine waters provide a strong supply of protein
The fish sector is considered an important component of the economies of many countries in the world including Arab countries, it is considered an important component of food security (10)
Chemical content Moisture. protein (N×6.25). fat and ash content are determined. accordance usual methods suggested by AOAC (2)
Summary
The fish sector is considered an important component of the economies of many countries in the world including Arab countries, it is considered an important component of food security (10). Phosphorus that are important for the normal functioning of the nerves and bone formation (28) These minerals are usually specialized for marine fish species compared to freshwater fish (16). Several studies refer to the proximate content of commercially valuable fish from Iraqi freshwater besides marine waters. Mahdi et al (27) studied the chemical and mineral composition of some commercially important Iraqi fish. The primary objective of this study was to define and evaluate the chemical constituents and main elements of ten commercially important fish species through Shatt Al-Arab. MATERIAIS AND METHODS Samples collection Ten species of commercially important fish of Shatt Al-Arab and Iraqi Marine waters Northwest Arabian Gulf.
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