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

Mineral

K

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