From: Ochratoxin A in black pepper, white pepper and clove sold in Yaoundé (Cameroon) markets: contamination levels and consumers’ practices increasing health risk
Spice
Number of samples
Positive samples
OTA level in the positive samples (μg/Kg)
Mean ± SD*
Min
Max
White pepper
20
8
3.30 ± 1.00a
1.81
4.89
Black pepper
2
1.53 ± 0.54b
1.15
1.91
Clove
40
0
–