Table 3. Amino acid composition of duck breast meat

Amino acids	%
Essential amino acid
Methionine	0.49±0.0081
Threonine	0.91±0.027
Valine	0.87±0.023
Iso-leucine	0.78±0.021
Leucine	1.64±0.045
Phenylalanine	0.76±0.017
Lysine	1.69±0.051
Histidine	0.56±0.031
Arginine	1.24±0.044
Total	8.94±0.267
Non-essential amino acid
Cystine	0.24±0.002
Aspartic acid	1.78±0.057
Serine	0.81±0.025
Glutamic acid	2.86±0.105
Glysine	0.85±0.028
Alanine	1.18±0.036
Tyrosine	0.63±0.014
Proline	0.72±0.022
Total	9.07±0.289

SD, standard deviation.
Values are means±SD of 3 repetitions (3 samples per repetition).