Table 4. Amino acid composition (%) of pork by-products.
Item | Heart | Liver | Lung | Stomach | Small intestine | Large intestine | Spleen | Uterus | Pancreas |
---|---|---|---|---|---|---|---|---|---|
Essential amino acid | |||||||||
Met | 0.21±0.01*c | 0.36±0.01b | 0.20±0.01d | 0.21±0.01c | 0.15±0.01d | 0.10±0.01e | 0.23±0.02c | 0.23±0.04d | 0.42±0.02a |
Thr | 0.39±0.03c | 0.45±0.02a | 0.22±0.01d | 0.33±0.02c | 0.21±0.02e | 0.14±0.02f | 0.32±0.02c | 0.57±0.04d | 0.32±0.03b |
Val | 1.52±0.09c | 2.01±0.16a | 1.31±0.04b | 1.42±0.06c | 0.88±0.08e | 0.64±0.07f | 1.54±0.05b | 0.57±0.04d | 2.09±0.07a |
I-le | 0.76±0.05c | 1.02±0.08a | 0.61±0.02e | 0.71±0.04d | 0.46±0.04f | 0.33±0.03g | 0.75±0.02d | 0.4±0.04e | 0.95±0.03b |
Leu | 0.71±0.04bc | 1.05±0.08a | 0.72±0.02d | 0.80±0.04d | 0.50±0.04f | 0.36±0.03g | 0.80±0.02c | 1.02±0.08e | 1.11±0.04a |
Phe | 0.94±0.04c | 1.29±0.12a | 1.61±0.09c | 1.63±0.08d | 1.01±0.17e | 0.77±0.06f | 1.07±0.04c | 0.66±0.04d | 1.23±0.04b |
Lys | 1.05±0.04b | 1.33±0.11a | 1.17±0.05c | 1.06±0.05c | 0.67±0.08d | 0.47±0.06e | 1.05±0.02b | 1.18±0.08c | 1.11±0.04b |
His | 0.72±0.03c | 1.10±0.08a | 0.79±0.03c | 0.66±0.03d | 0.43±0.04e | 0.30±0.04f | 0.79±0.02b | 0.38±0.02d | 1.06±0.04b |
Non-Essential amino acid | |||||||||
Ser | 0.61±0.04b | 0.87±0.06a | 0.40±0.02d | 0.51±0.04c | 0.33±0.03d | 0.24±0.03e | 0.53±0.02c | 0.68±0.05d | 0.81±0.02c |
Tyr | 2.53±0.22c | 2.93±0.21a | 1.97±0.07d | 2.32±0.06c | 1.47±0.16f | 1.06±0.12g | 2.39±0.07b | 0.43±0.02e | 2.34±0.11b |
Glu | 1.49±0.10c | 2.11±0.16a | 1.30±0.03d | 1.23±0.04c | 0.81±0.08e | 0.57±0.07f | 1.41±0.05c | 2.1±0.23d | 1.54±0.06b |
Gly | 0.55±0.04c | 0.77±0.07a | 0.48±0.03b | 0.53±0.02c | 0.35±0.03e | 0.25±0.02f | 0.57±0.01b | 1.85±0.35d | 0.83±0.02a |
Ala | 0.74±0.04c | 1.11±0.11a | 0.73±0.02e | 0.65±0.03d | 0.52±0.05f | 0.41±0.05g | 0.80±0.02d | 1.07±0.13e | 0.97±0.04b |
Asp | 1.43±0.07bc | 1.69±0.12a | 1.09±0.04d | 1.15±0.06d | 0.89±0.04f | 0.75±0.08g | 1.39±0.07c | 1.23±0.12e | 1.36±0.06b |
Cys | 0.47±0.02c | 0.64±0.05b | 0.47±0.03d | 0.37±0.02c | 0.32±0.04f | 0.24±0.03g | 0.53±0.02c | 0.2±0.01e | 0.53±0.02a |
Arg | 1.00±0.05c | 1.22±0.09a | 0.91±0.04c | 1.03±0.02d | 0.78±0.06e | 0.62±0.07f | 1.00±0.03c | 0.99±0.11d | 1.07±0.03b |
Pro | 0.78±0.04b | 1.11±0.09a | 1.08±0.05c | 1.12±0.05c | 0.69±0.10d | 0.46±0.07e | 0.82±0.04b | 1.22±0.18c | 0.94±0.03b |
Total | 15.88±0.91c | 21.07±1.58a | 15.07±0.43c | 15.73±0.51c | 10.83±0.50e | 7.66±0.84f | 15.99±0.44c | 14.76±1.50d | 18.65±0.66b |
Means in the same row with different superscripts (a-f) are significantly different (p<0.05).
*Mean±standard error.