Full
Outline
To analyze the nutritional composition and edible quality of the muscle of Centropristis striata cultured in factory.
A comprehensive analysis of the basic nutrients, amino acids, fatty acids, vitamins and mineral elements was conducted on farmed Centropristis striata under industrialized aquaculture conditions.
The muscle contained 71.0% moisture, 19.3% crude protein, 8.6% crude fat and 1.3% ash. A total of 17 kinds of amino acids were identified, with a total amino acid content of 18.85%. Essential amino acids accounted for 41.06% of the total amino acids, and the essential amino acid index was 96.20, indicating that Centropristis striata was a high-quality protein source. The fatty acid profile was well-balanced, with polyunsaturated fatty acids comprising 34.66% of the total fatty acids. The content of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) were 4.14% and 2.98%, respectively, and the n-6/n-3 polyunsaturated fatty acid ratio was 2.48:1. The atherogenic index and thrombogenic index were 1.14 and 0.50, respectively. In addition, Centropristis striata was rich in vitamin E (497 μg/100 g) and selenium (0.720 mg/kg). Its mineral profile exhibited a “high potassium, low sodium” characteristic (potassium: 3901 mg/kg; sodium/potassium ratio: 0.116), suggesting that it is particularly suitable for the dietary needs of individuals with hypertension, hyperlipidemia or diabetes.
Centropristis striata possesses a balanced amino acid profile, abundant unsaturated fatty acids and high levels of vitamins and minerals, demonstrating high nutritional value and strong potential as a high-quality protein source.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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