Table 4. Amino acid contents of different parts of bullfrog (%, w/w).

Amino acid	Fore-chest	Thigh	Calf
Asp (a)	1.53±0.24	1.90±0.14	1.83±0.18
Thr (*)	0.54±0.04	0.51±0.05	0.52±0.05
Ser	0.70±0.05	0.65±0.08	0.76±0.05
Glu (a)	3.24±0.40	4.19±0.33	3.79±0.36
Gly (a)	0.88±0.11	1.09±0.19	0.82±0.17
Ala (a)	1.07±0.14	1.15±0.19	0.97±0.13
Val (*b)	0.76±0.12	1.06±0.16	0.92±0.12
Met (*)	0.34±0.03	0.48±0.07	0.42±0.03
Lle (*b)	0.68±0.07	0.87±0.12	0.80±0.11
Leu (*b)	1.42±0.13	1.80±0.18	1.62±0.19
Tyr	0.38±0.03	0.39±0.04	0.36±0.02
Phe (*)	0.61±0.16	0.86±0.12	0.58±0.15
Lys (*)	1.53±0.14	2.29±0.17	1.83±0.18
His	0.37±0.03	0.45±0.04	0.48±0.03
Arg	0.77±0.07	1.12±0.10	1.07±0.09
Pro	0.49±0.06	0.59±0.05	0.61±0.04
TAA	15.30	19.41	17.41
EAA	5.86	7.87	6.70
FAA/TAA	43.95	42.93	42.59
BCAA/TAA	18.63	19.22	19.20

Values are shown as means±SD from triplicate determinations.

Labeled * as essential amino acid, a as an umami amino acid and b as a branch chain amino acid.

TAA, total amino acid; EAA, essential amino acids; FAA, flavour amino acid; BCAA, branched-chain amino acid.