|
Proximate composition of some fish species from South Caspian Sea in two seasons
|
Seyyed Mehdi Hosseini    , Mohammad Ali Sahari , Hossein Pasha-Zanoosi |
| , mehdi_1520@yahoo.com |
|
|
Abstract: (105 Views) |
Background and Objectives: The purpose of this study is to evaluate the body composition in the muscles of four species of Caspian sea fish in autumn and spring.
Methods: Proximate composition including moisture, protein, fat, ash and carbohyrate were determined in four fish species, Alburnus chalcoides (A. ch.), Rutilus rutilus (R. r.), Luciobarbus capito (L. c.) and Alosa kessleri (A. k.) from South Caspian Sea in autumn and spring.
Findings: The obtained results indicated that carbohydrate and ash content were not significantly different among the four species in both seasons and also between the two seasons (P<0.05). Changes in moisture, fat and protein indicate that while there was a decline in moisture content, fat and protein content evidently increased in both seasons. In autumn, it is found that L. c. and R. r. had the highest moisture and lowest protein and fat content while significant declines in the moisture content of A. k. and A. ch. was observed which is in good agreement with the increase in both fat and protein contents of these two species in this season. Similar trend to autumn was observed in spring so that R. r. and L. c. with the highest amount of moisture had the lowest content of fat while A. k. and A. ch. with the lowest amount of moisture had the highest content of protein and fat. L. c., R. r., A. ch. and A. k. are classified as lean, low fat, medium fat and high fat fish respectively based on the results. Results also showed that in most cases there was a significant difference among the moisture, protein and fat content of the four fish species between the two seasons of autumn and spring (P<0.05).
Conclusion: Overall, the results showed that these four fish species might be in spawning period and have developing eggs in spring and so that had more moisture and less fat and protein in their flesh in this season. |
|
| Keywords: Proximate composition, Fish species, Caspian Sea |
|
|
|
Type of Study: Applied Article |
Subject:
Fisheries and Aquaculture
Received: 2023/10/4 | Revised: 2025/02/9 | Accepted: 2025/02/9
|
|
|
|
|
|
.jpg)
.jpg)
