尼日利亚Tiga坝水库5种淡水鱼的近似组成、氨基酸分布和化学指标

Q3 Environmental Science

Ribarstvo, Croatian Journal of Fisheries Pub Date : 2019-06-01 DOI:10.2478/cjf-2019-0009

A. Elaigwu

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引用次数: 4

摘要

摘要研究了尼日利亚Tiga Dam水库晒干的Schilbe mystus、Bagrus bayad、Oreochromis niloticus、Clarias anguillaris和Petrocephalus bane的近义词组成、氨基酸谱及其含量和化学指标。5种鱼的水分(4.79 ~ 9.52 g/100 g)、粗蛋白质(42.20 ~ 57.71 g/100 g)、灰分(0.90 ~ 12.51 g/100 g)、粗脂肪(3.41 ~ 9.93 g/100 g)、粗纤维(0.62 ~ 5.08 g/100 g)、无氮脂肪(12.28 ~ 42.70 g/100 g)、干物质(90.48 ~ 95.21 g/100 g)的近似组成差异显著(p<0.05)，氨基酸的近似组成差异也显著(p<0.05)。在5种鱼类中发现的9种必需氨基酸分别是赖氨酸(4.21 ~ 6.34 g/100 g)、组氨酸(1.96 ~ 4.30 g/100 g)、精氨酸(5.80 ~ 8.21 g/100 g)、苏氨酸(1.93 ~ 5.05 g/100 g)、缬氨酸(2.91 ~ 5.53 g/100 g)、蛋氨酸(1.74 ~ 3.80 g/100 g)、异亮氨酸(2.04 ~ 3.37 g/100 g)、亮氨酸(3.64 ~ 7.18 g/100 g)和苯丙氨酸(1.90 ~ 4.23 g/100 g)，非必需氨基酸包括:丝氨酸(2.12 ~ 5.22 g/100 g)、谷氨酸(13.24 ~ 16.30 g/100 g)、脯氨酸(3.12 ~ 6.29 g/100 g)、甘氨酸(4.20 ~ 9.08 g/100 g)、丙氨酸(5.00 ~ 6.36 g/100 g)、半胱氨酸(0.94 ~ 1.24 g/100 g)、酪氨酸(2.33 ~ 3.33 g/100 g)、天冬氨酸(6.34 ~ 11.01 g/100 g)，粗蛋白质排名第一;肉苁茸脂质和必需氨基酸含量最高。鳗鲡的发热量最高，氨基酸含量最高。因此，槟榔可作为动物蛋白的来源，以平衡人类的不足。在食品工业中，水曲霉和鳗鲡都可以作为高能量食物和油脂的营养基础。

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The Proximate Composition, Amino Acid Profile and Chemical Indices in Five Freshwater Fishes from Tiga Dam Reservoir, Nigeria

Abstract The study assesses the proximate composition, amino acid profile and its content and chemical indices of the sun-dried Schilbe mystus, Bagrus bayad, Oreochromis niloticus, Clarias anguillaris and Petrocephalus bane bane from Tiga Dam Reservoir, Nigeria. The proximate composition varied significantly (p<0.05) in all five species of fish and these ranged as follows: Moisture (4.79 - 9.52 g/100 g), Crude Protein (42.20 - 57.71 g/100 g), Ash Content (0.90 - 12.51 g/100 g), Ether Extract (3.41 - 9.93 g/100 g), Crude Fibre (0.62 - 5.08 g/100 g), Nitrogen Free Extract (12.28 - 42.70 g/100 g) and Dry Matter (90.48 - 95.21 g/100 g). The amino acid also differed significantly (p<0.05). The nine essential amino acids found in the five species of fish were Lysine (4.21 - 6.34 g/100 g), Histidine (1.96 - 4.30 g/100 g), Arginine (5.80 - 8.21 g/100 g), Threonine (1.93 - 5.05 g/100 g), Valine (2.91 - 5.53 g/100 g), Methionine (1.74 - 3.80 g/100 g), Isoleucine (2.04 - 3.37 g/100 g), Leucine (3.64 - 7.18 g/100 g) and Phynylalanine (1.90 - 4.23 g/100 g). Whereas, the eight non-essential amino acids included: Serine (2.12 - 5.22 g/100 g), Glutamic acid (13.24 - 16.30 g/100 g), Proline (3.12 - 6.29 g/100 g), Glycine (4.20 - 9.08 g/100 g), Alanine (5.00 - 6.36 g/100 g), Cysteine (0.94 - 1.24 g/100 g), Tyrosine (2.33 - 3.33 g/100 g) and Aspartic acid (6.34 - 11.01 g/100 g). P. bane bane was first in terms of crude protein; S. mystus had the highest lipid and essential amino acid content. Also, C. anguillaris recorded the highest calorific value and best amino acid content. Thus, P. bane bane can serve as a source of animal protein to balance deficiencies in humans. Both S. mystus and C. anguillaris can be used as a nutrient base for high energy food and oil in the food industry.

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来源期刊

Ribarstvo, Croatian Journal of Fisheries Environmental Science-Ecology

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Croatian Journal of Fisheries was established in 1938 and today possesses a long-term tradition of publishing papers that deal with both freshwater and marine fisheries. Areas covered by the Journal include ichthyology, aquaculture, ecology and diseases of fish and other aquatic organisms, problems of open waters and other topics related to the fisheries field. Prior to publication, articles pass through rigorous review by senior scientists from around the world. The Journal features articles that reflect original research, interpretative content and subject matter of interest to the fisheries profession.