Aquaculture Research

Research Article

Effect of Body Weight on the Nutritional Content of Rice Field Eel, Monopterus albus

Table 3

Monopterus albus amino acid content in three body sizes.


Amino acids in protein (mg/g)	Muscle			Skin
Amino acids in protein (mg/g)	A	B	C	A	B	C

Threonine	0.62 ± 0.01^a	0.88 ± 0.01^b	0.80 ± 0.02^b	0.63 ± 0.02^a	0.91 ± 0.01^b	0.85 ± 0.01^b
Valine	1.11 ± 0.02^a	1.42 ± 0.03^b	1.39 ± 0.03^b	1.20 ± 0.02^a	1.52 ± 0.02^b	1.49 ± 0.01^b
Histidine	0.63 ± 0.04^a	0.84 ± 0.01^b	0.80 ± 0.03^b	0.69 ± 0.02^a	0.89 ± 0.01^b	0.86 ± 0.02^b
Isoleucine	0.77 ± 0.01^a	1.11 ± 0.02^b	1.04 ± 0.03^b	0.83 ± 0.01^a	1.24 ± 0.02^b	1.19 ± 0.03^b
Leucine	1.38 ± 0.01^a	1.79 ± 0.03^b	1.71 ± 0.02^b	1.43 ± 0.02^a	1.82 ± 0.02^b	1.77 ± 0.02^b
Methionine	0.60 ± 0.02^a	0.80 ± 0.01^b	0.77 ± 0.02^b	0.61 ± 0.02^a	0.83 ± 0.01^b	0.79 ± 0.02^b
Phenylalanine	0.73 ± 0.02^a	0.94 ± 0.02^b	0.91 ± 0.01^b	0.76 ± 0.02^a	0.98 ± 0.01^b	0.95 ± 0.01^b
Lysine	1.52 ± 0.02^a	1.91 ± 0.01^b	1.87 ± 0.02^b	1.55 ± 0.01^a	1.99 ± 0.01^b	1.89 ± 0.02^b
Essential amino acids (EAA)	7.36 ± 0.03^a	9.69 ± 0.04^b	9.29 ± 0.02^b	7.70 ± 0.01^a	10.18 ± 0.04^b	9.79 ± 0.02^b
^AAspartic acid	1.66 ± 0.01^a	2.11 ± 0.02^b	2.04 ± 0.03^b	1.73 ± 0.01^a	2.19 ± 0.02^b	2.10 ± 0.03^b
^AGlutamic acid	3.32 ± 0.02^a	4.22 ± 0.03^b	4.11 ± 0.03^b	3.41 ± 0.02^a	4.38 ± 0.02^b	4.28 ± 0.01^b
^AGlycine	1.22 ± 0.02^a	1.55 ± 0.03^b	1.48 ± 0.03^b	1.25 ± 0.03^a	1.59 ± 0.02^b	1.50 ± 0.04^b
^ATyrosine	1.11 ± 0.02^a	1.30 ± 0.04^b	1.26 ± 0.05^b	1.15 ± 0.01^a	1.39 ± 0.02^b	1.32 ± 0.03^b
^AAlanine	0.83 ± 0.01^a	1.14 ± 0.01^b	1.02 ± 0.03^b	0.87 ± 0.02^a	1.25 ± 0.02^b	1.23 ± 0.02^b
Umami amino acids (DAA)	8.14 ± 0.03^a	10.32 ± 0.03^b	9.91 ± 0.03^b	8.41 ± 0.02^a	10.80 ± 0.02^b	10.43 ± 0.02^b
serine	0.71 ± 0.02^a	0.85 ± 0.02^b	0.77 ± 0.01^ab	0.72 ± 0.01^a	0.87 ± 0.02^b	0.79 ± 0.02^ab
arginine	1.11 ± 0.02^a	1.17 ± 0.01^a	1.15 ± 0.02^a	1.13 ± 0.01^a	1.19 ± 0.02^a	1.17 ± 0.01^a
proline	0.70 ± 0.01^a	0.95 ± 0.02^b	0.89 ± 0.02^b	0.71 ± 0.02^a	0.99 ± 0.02^b	0.94 ± 0.03^b
Total amino acids (TAA)	18.02 ± 0.05^a	22.98 ± 0.06^b	22.01 ± 0.05^b	18.67 ± 0.03^a	24.03 ± 0.02^b	23.12 ± 0.02^b
DAA/TAA	0.45	0.45	0.45	0.45	0.45	0.45
EAA/TAA	0.41	0.42	0.42	0.41	0.42	0.42

Notes: indicates an EAA and ^Aindicates a DAA. In the same sampled tissue, a significant difference is indicated by the right superscript letter associated with the detection value for the same detection index of different groups ().