Table 6. Microorganisms, mycotoxin, pesticide residues, and heavy metals of ginger pomace

Component Content Food MRL1)
Microorganisms (log cfu/g (or mL)) Total aerobic bacteria (n=5) 5.73±1.16 ≤4 log
Yeast & Mold 4.64±1.30 ≤3 log
Coliforms (n=5) 1.46±0.70 ≤2 log
E. coli (n=5) 0 0
Enterohemorrhagic Escherichia coli (EHEC, n=5) Negative Negative
Mycotoxin (µg/kg) Total aflatoxin2) N.D.3) ≤15
Aflatoxin B1 N.D. -
Aflatoxin B2 N.D. -
Aflatoxin G1 N.D. -
Aflatoxin G2 N.D. -
Ochratoxin A N.D. ≤15
Pesticide residues4) (mg/kg) Metalaxyl 0.044 0.5
Azoxystrobin 0.020±0.014 0.05
Chlorantraniliprole 0.020±0.014 0.5
Heavy metal (mg/kg) Pb 0.18±0.02 ≤0.1 (Balloonflower, Codonopsis ≤0.2, Ginseng ≤2.0)
Cd N.D. ≤0.1
As N.D. -
Hg (µg) N.D. -
MRL, maximum residue limit.
Total aflatoxin, the sum of aflatoxin B1, B2, G1, and G2.
N.D., not detected, below the limit of quantification.