Safety Assessment and Comparison of Sodium Selenite and Bioselenium Obtained from Yeast in Mice

Table 7

Effects of sodium selenite on body weight using 30-day feeding experiment.

Group	Average weight (g)
	Prior to the experiment	1 week; (mean ± SD)	2 weeks; (mean ± SD)	3 weeks; (mean ± SD)	4 weeks; (mean ± SD)
Negative control	16.51 ± 0.97	22.53 ± 4.47	26.53 ± 3.24	29.41 ± 3.34	35.42 ± 2.67
Low dose group	16.82 ± 1.42	23.71 ± 2.06	23.36 ± 1.69	23.32 ± 1.69	22.71 ± 2.66
Middle dose group	16.81 ± 1.52	22.43 ± 2.60	24.74 ± 2.34	21.33 ± 2.49	24.81 ± 2.31
High dose group	17.01 ± 1.45	24.30 ± 2.98	24.52 ± 2.78	23.40 ± 2.41	23.11 ± 2.84

Note. Letters in common in the same column do not present significant difference (), for example, A and A, b and b. Same letters in uppercase and lowercase or different letters in lowercase in the same column present significant difference (), for example, B and b, a and c. Different letters in uppercase or different letter in uppercase and lowercase present extremely significant difference, for example, A and B, A and b.