Muscle Nutrient Composition of Russian Sturgeon (Acipenser gueldenstaedtii) Under Different Culture Modes: Comparison and Analysis

doi:10.11924/j.issn.1000-6850.casb19010019

Abstract

Abstract:

To understand the nutrient composition of fish muscle under the condition of recirculating aquaculture system, and to study the quality control of fish, in this study, the nutrient composition, amino acid and fatty acid composition of Russian sturgeon (Acipenser gueldenstaedtii) muscle were compared in recirculating aquaculture system and in ponds under simulated wild conditions. The results showed that there was no significant difference in the general nutrient composition between the two conditions. 17 kinds of amino acids were detected, and there was no significant difference in the content of each component of amino acid between the two conditions. Amino acid score (AAS) and chemical score (CS) showed that the first restrictive amino acid in recirculating aquaculture system was methionine, the lysine scored the highest among essential amino acids, and essential amino acid index (EAAI) in recirculating aquaculture system was higher than that in pond aquaculture system. The circulating water group detected 20 kinds of fatty acids and the pond group detected 14 kinds of fatty acids, there was no significant difference in the total amount of fatty acids between the two groups. There were significant differences in the composition of fatty acids. Among them, DHA was significantly higher in the circulating water group than in the pond group. In conclusion, the nutritive value of the muscle of Russian sturgeon under the recirculating aquaculture system is no less than that under the simulated wild condition pond.

Key words: recirculating aquaculture, Russian sturgeon, fish muscle, nutrients, amino acids, fatty acids

CLC Number:

S917.4

Guan Chongwu, Yang Jing, Shan Jianjun, Zhang Haigeng, Song Hongqiao. Muscle Nutrient Composition of Russian Sturgeon (Acipenser gueldenstaedtii) Under Different Culture Modes: Comparison and Analysis[J]. Chinese Agricultural Science Bulletin, 2020, 36(8): 145-150.

Figures/Tables 4

References 25

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组别	水分	粗蛋白	粗脂肪	灰分
池塘	75.63±2.14^a	16.51±1.08^a	3.93±0.15^a	1.37±0.22^a
循环水	72.97±3.30^a	17.32±0.98^a	4.03±0.33^a	1.48±0.30^a

组别	水分	粗蛋白	粗脂肪	灰分
池塘	75.63±2.14^a	16.51±1.08^a	3.93±0.15^a	1.37±0.22^a
循环水	72.97±3.30^a	17.32±0.98^a	4.03±0.33^a	1.48±0.30^a

氨基酸种类	池塘组	循环水组
天冬氨酸(Asp)*	5.65±0.47^a	5.52±0.97^a
苏氨酸(Thr)^#	2.56±0.19^a	2.50±0.42^a
丝氨酸(Ser)	2.51±0.14^a	2.34±0.37^a
谷氨酸(Glu)*	9.14±0.71^a	8.96±1.44^a
甘氨酸(Gly)*	2.64±0.21^a	2.77±0.57^a
丙氨酸(Ala)*	3.28±0.29^a	3.25±0.59^a
胱氨酸(Cys)	0.63±0.11^a	0.60±0.15^a
缬氨酸(Val)^#	2.53±0.30^a	3.00±0.48^a
蛋氨酸(Met)^#	1.41±0.29^a	1.45±0.37^a
异亮氨酸(Ile)^#	2.41±0.27^a	2.57±0.50^a
亮氨酸(Leu)^#	4.58±0.37^a	4.62±0.80^a
酪氨酸(Tyr)	1.97±0.18^a	1.93±0.39^a
苯丙氨酸(Phe)^#	2.38±0.21^a	2.44±0.43^a
组氨酸(His)	2.12±0.32^a	1.94±0.41^a
赖氨酸(Lys)^#	5.51±0.40^a	5.54±0.96^a
精氨酸(Arg)	3.27±0.24^a	3.21±0.57^a
脯氨酸(Pro)	2.27±1.07^a	1.96±0.39^a
氨基酸总量W_TAA	54.85±4.30^a	54.18±9.13^a
必需氨基酸总量W_EAA	21.37±1.73^a	21.70±3.81^a
半必需氨基酸总量W_HEAA	5.38±0.50^a	5.15±0.92^a
非必需氨基酸总量W_NEAA	28.09±2.15^a	27.33±4.45^a
鲜味氨基酸总量W_DAA	20.71±1.51^a	20.50±3.49^a
W_EAA/W_TAA	38.96	40.05
W_EAA/W_NEAA	76.08	79.40
W_DAA/W_TAA	37.76	37.84

氨基酸种类	池塘组	循环水组
天冬氨酸(Asp)*	5.65±0.47^a	5.52±0.97^a
苏氨酸(Thr)^#	2.56±0.19^a	2.50±0.42^a
丝氨酸(Ser)	2.51±0.14^a	2.34±0.37^a
谷氨酸(Glu)*	9.14±0.71^a	8.96±1.44^a
甘氨酸(Gly)*	2.64±0.21^a	2.77±0.57^a
丙氨酸(Ala)*	3.28±0.29^a	3.25±0.59^a
胱氨酸(Cys)	0.63±0.11^a	0.60±0.15^a
缬氨酸(Val)^#	2.53±0.30^a	3.00±0.48^a
蛋氨酸(Met)^#	1.41±0.29^a	1.45±0.37^a
异亮氨酸(Ile)^#	2.41±0.27^a	2.57±0.50^a
亮氨酸(Leu)^#	4.58±0.37^a	4.62±0.80^a
酪氨酸(Tyr)	1.97±0.18^a	1.93±0.39^a
苯丙氨酸(Phe)^#	2.38±0.21^a	2.44±0.43^a
组氨酸(His)	2.12±0.32^a	1.94±0.41^a
赖氨酸(Lys)^#	5.51±0.40^a	5.54±0.96^a
精氨酸(Arg)	3.27±0.24^a	3.21±0.57^a
脯氨酸(Pro)	2.27±1.07^a	1.96±0.39^a
氨基酸总量W_TAA	54.85±4.30^a	54.18±9.13^a
必需氨基酸总量W_EAA	21.37±1.73^a	21.70±3.81^a
半必需氨基酸总量W_HEAA	5.38±0.50^a	5.15±0.92^a
非必需氨基酸总量W_NEAA	28.09±2.15^a	27.33±4.45^a
鲜味氨基酸总量W_DAA	20.71±1.51^a	20.50±3.49^a
W_EAA/W_TAA	38.96	40.05
W_EAA/W_NEAA	76.08	79.40
W_DAA/W_TAA	37.76	37.84

氨基酸	氨基酸评分(AAS)		化学评分(CS)		必需氨基酸指数(EAAI)
氨基酸	池塘组	循环水组	池塘组	循环水组	池塘组	循环水组
苏氨酸(Thr)	0.64	0.63	0.55	0.54	48.58	50.23
缬氨酸(Val)	0.51	0.60	0.39	0.46
蛋氨酸+胱氨酸(Met+Cys)	0.58	0.58	0.33	0.33
异亮氨酸(Ile)	0.60	0.64	0.46	0.49
亮氨酸(Leu)	0.65	0.66	0.54	0.54
苯丙氨酸+酪氨酸(Phe+Tyr)	0.72	0.72	0.48	0.48
赖氨酸(Lys)	1.01	1.02	0.78	0.79