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Table 4 Mineral contents (mg/100 g sample) of yellowfin tuna roe (YTR) and roe protein concentrates (RPCs) prepared by cook-dried process

From: Chemical composition of protein concentrate prepared from Yellowfin tuna Thunnus albacares roe by cook-dried process

Sample YTR FDC BDC SDC Egg white
Moisture (%) 77.3 4.3ab 4.8a 5.6a 3.1b
Mineral K 456.0 ± 2.0c 1179.9 ± 8.3a 761.6 ± 67.4b 758.9 ± 200.3b 787.0 ± 13.2b
S 992.3 ± 92.6b 858.2 ± 10.3c 818.1 ± 141.8bc 1341.3 ± 1.2a
Na 167.0 ± 1.0d 376.2 ± 2.1b 287.2 ± 17.5c 268.3 ± 55.5c 1015.8 ± 8.8a
P 437.0 ± 3.0a 257.7 ± 2.8b 223.4 ± 13.4c 208.5 ± 35.2c 92.5 ± 0.4d
Mg 29.0 ± 0.0c 66.8 ± 0.4a 70.6 ± 2.5a 59.1 ± 7.7a
Zn 8.0 ± 0.0c 45.0 ± 0.3b 49.9 ± 0.4a 48.4 ± 3.5a
Ca 11.0 ± 0.0c 33.5 ± 0.3b 58.6 ± 12.2a 32.3 ± 3.7b 65.2 ± 0.6a
Fe 9.8 ± 0.1b 12.9 ± 0.2b 9.7 ± 0.8ab 0.6 ± 0.0a
Mn 0.1 ± 0.0a 0.2 ± 0.0b 0.1 ± 0.0b 0.0 ± 0.0b
Heavy metal Cu 0.5 ± 0.0a 0.5 ± 0.1a 0.4 ± 0.1a 0.1 ± 0.0b
Pb 0.2 ± 0.1a 0.1 ± 0.0a 0.3 ± 0.1a 0.0 ± 0.0a
Cd 0.1 ± 0.0a 0.1 ± 0.0a 0.1 ± 0.0a 0.0 ± 0.0b
Cr 0.1 ± 0.0a 0.2 ± 0.1a 0.2 ± 0.1a 0.1 ± 0.0a
Ni 0.0 ± 0.0a 0.1 ± 0.1a 0.0 ± 0.0a 0.0 ± 0.0a
  1. –; not determined
  2. Data are means ± standard deviation of three samples
  3. Values with different letters within the same row are significantly different at P < 0.05 by Duncan’s multiple range test