Protein Quality Evaluation of Some Commonly Consumed Bird Egg Varieties Using Amino Acid Scores

Table 4

Amino acid scores (AAS) of bird egg varieties.

Amino acid	Exotic chicken	Local chicken	Turkey	Quail	Guinea fowl
Histidine	0.82	0.86	1.39	0.90	1.01
Iso leucine	0.72	0.58	0.75	0.69	0.96
Leucine	0.67	0.81	0.41	0.86	1.11
Lysine	0.68	0.51	0.85	0.76	1.08
Methionine	0.60	0.63	0.94	0.61	1.10
Phenylalanine	0.34	0.36	0.76	0.80	1.08
Threonine	0.62	0.49	0.77	0.91	1.01
Tryptophan	0.81	0.84	1.10	0.68	0.89
Valine	0.93	0.56	0.59	0.85	0.82
Tyrosine	0.55	0.59	0.77	0.69	1.04
Alanine	0.77	0.42	0.55	0.76	0.91
Arginine	0.59	0.63	0.79	0.81	0.99
Aspartic acid	0.82	0.74	0.41	1.07	0.85
Cystine	1.40	1.35	1.48	1.24	0.50
Glutamic acid	0.85	0.75	0.62	0.70	0.33
Glycine	0.83	0.50	0.64	0.92	1.40
Proline	0.70	0.74	0.96	0.62	0.99
Serine	0.90	0.36	0.87	0.85	0.43
Total AAS	0.75	0.65	0.81	0.82	0.92

Total AAS is the overall amino acid score of a particular sample.