Table 5. The content of heavy metals after ripening of Gouda cheese coated with loess

(mg/L)

Sample Pb Cd As Hg Sn Cr Cu
CG1) -2) - - - - - 0.142±0.001c
VG - - - - - - 0.079±0.001g
LG 0.005±0.0063)4) - - - - - 0.152±0.000b
RG - - - - - - 0.134±0.001d
YG - - - - - - 0.116±0.000e
WG - - - - - - 0.183±0.001a
BG - - - - - - 0.089±0.001f
1)CG, Gouda cheese of ripening without coating; VG, Gouda cheese of ripening after vacuum packaged; LG, Gouda cheese of laterite coating ripening ; RG, Gouda cheese of red loess coating ripening; YG, Gouda cheese of yellow ocher coating ripening; WG, Gouda cheese of white clay coating ripening; BG, Gouda cheese of black soil coating ripening.
2)Not detected.
3)Means in the same column followed by different uppercase letters are significantly different (p<0.05, a>b>c>d>e>f>g).
4)All values are mean±SD.