Table 5. Mineral content (mg/kg) of pork by-products.

Item	Heart	Liver	Lung	Stomach	Small intestine	Large intestine	Spleen	Uterus	Pancreas
Ca	64.13±9.52*d	70.40±5.42d	132.48±14.43c	125.13±11.86c	175.24±35.44b	198.57±46.04b	73.83±7.10d	122.17±14.05c	217.01±19.63a
P	1870.75±64.23c	2477.24±117.37b	1891.10±103.53c	1394.79±84.36d	1194.39±142.47e	610.24±63.90f	2570.4±92.54b	1178.94±145.10e	3147.66±198.64a
K	2353.79±202.73c	3028.29±185.84b	2027.41±245.98d	1782.08±65.11d	1129.66±265.72e	404.84±38.90f	3399.66±165.67a	1312.3±234.42e	3078.21±150.72b
Na	1332.31±186.49b	951.65±40.13c	1929.6±216.91a	1205.43±43.88b	537.02±106.94d	225.29±29.12e	879.25±32.78c	1949.66±91.84a	846.62±87.79c
Mg	198.73±18.40bc	210.14±8.99b	137.14±12.96d	177.34±21.43c	124.55±18.20de	103.01±18.46e	179.68±6.89c	103.04±15.34e	233.06±15.15a
Fe	34.58±6.33d	148.40±31.90b	63.01±16.65c	11.05±1.30e	22.56±4.17de	11.69±1.99e	178.54±27.65a	1.26±0.29e	37.97±3.21d
Mn	0.65±0.21d	2.98±0.20a	0.36±0.05e	0.76±0.05d	1.22±0.10c	0.63±0.25d	0.53±0.17de	0.62±0.20d	1.98±0.13b
Zn	1.83±0.22d	7.04±0.89a	1.53±0.10def	1.77±0.17de	1.92±0.33d	1.24±0.18f	2.63±0.19c	1.30±0.13ef	3.83±0.29b
Cu	3.06±0.56b	5.50±1.26a	1.17±0.30c	1.43±0.13c	1.41±0.26c	0.88±0.13c	1.18±0.30c	1.53±0.23c	1.55±0.24c
Cr	0.26±0.10ab	0.32±0.14a	0.14±0.08bc	0.22±0.07abc	0.29±0.20ab	0.07±0.05c	0.40±0.09a	0.09±0.02c	0.33±0.22a

Means in the same row with different superscripts (a-f) are significantly different (p<0.05).

*Mean±standard error.