Pesticides residue analysis in yam from selected markets across Ghana and Belgium: an evaluation of the QUECHERS method

Wumbei, Abukari; Senaeve, David; Houbraken, Michael; Spanoghe, Pieter

doi:10.1186/s40550-018-0066-1

International Journal of Food Contamination

Table 6 Detected Pesticides in Analyzed Yam Samples Across Ghanaian and Belgian Markets

From: Pesticides residue analysis in yam from selected markets across Ghana and Belgium: an evaluation of the QUECHERS method

Pesticides	No of samples/30	EU MRL (mg/kg)	Min (mg/kg)	Average (mg/kg)	Median	95th percentile	Max (mg/kg)
Accra Market, Ghana
metalxyl	1/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
fenpropimorph	30/30	0.01^*	0.00001	0.0001	0.00011	0.0002	0.003
propiconazole	4/30	0.01^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
cadusafos	30/30	0.01^*	0.00001	0.00014	0.00015	0.00019	0.0002
fenitrothion	10/30	0.01^*	0.0003	0.0022	0.0016	0.0053	0.0065
Kintampo Market, Ghana
propoxur	6/30	0.05^*	0.00002	0.00003	0.00003	0.00004	0.00004
metalaxyl	3/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
fenpropimorph	30/30	0.01^*	0.00003	0.00018	0.00014	0.00043	0.00081
propiconazole	9/30	0.01^*	0.00001	0.000018	0.00002	0.00003	0.00004
bentazone	1/30	0.03^*	0.0002^**	0.0002^**	0.0002^**	0.0002^**	0.0002^**
cadusafos	30/30	0.01^*	0.00006	0.0001	0.00015	0.000095	0.00019
profenofos	1/30	0.01^*	0.0005^**	0.0005^**	0.0005^**	0.0005^**	0.0005^**
fenitrothion	14/30	0.01^*	0.0003	0.0086	0.0087	0.0015	0.0016
Kumasi Market, Ghana
propoxur	4/30	0.05^*	0.0001^**	0.0001^**	0.0001^**	0.0001^**	0.0001^**
metalaxyl	9/30	0.05^*	0.00001	0.00002	0.00001	0.00007	0.0001
fenpropimorph	30/30	0.01^*	0.00004	0.00017	0.00011	0.00055	0.0006
propiconazole	8/30	0.01^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
bentazone	4/30	0.03^*	0.00031	0.00083	0.0008	0.00014	0.00144
cadusafos	30/30	0.01^*	0.00003	0.000072	0.00007	0.00011	0.00012
imidacloprid	1/30	0.5	0.0004^**	0.0004^**	0.0004^**	0.0004^**	0.0004^**
fenitrothion	29	0.01^*	0.0001	0.0019	0.0012	0.0062	0.0092
pendimethalin	1/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
Takoradi Market, Ghana
propoxur	2/30	0.05^*	0.0001^**	0.0001^**	0.0001^**	0.0001^**	0.0001^**
metalaxyl	2/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
fenpropimorph	30/30	0.01^*	0.00003	0.00012	0.0001	0.0003	0.0004
propiconazole	1/30	0.01^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
cadusafos	24/30	0.01^*	0.00003	0.00012	0.0001	0.0003	0.0004
fenitrothion	15/30	0.01^*	0.0008	0.0034	0.0025	0.0096	0.0111
Tamale Market, Ghana
metalaxyl	7/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
fenpropimorph	29/30	0.01^*	0.00001	0.00008	0.00004	0.00027	0.00041
propiconazole	3/30	0.01^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
carbendazim	1/30	0.1^*	0.0004^**	0.0004^**	0.0004^**	0.0004^**	0.0004^**
bentazone	1/30	0.03^*	0.0002^**	0.0002^**	0.0002^**	0.0002^**	0.0002^**
cadusafos	27/30	0.01^*	0.00005	0.000102	0.00009	0.00018	0.00019
fenitrothion	28/30	0.01^*	0.0002	0.0025	0.0013	0.0068	0.0085
Ghent Market, Belgium
propoxur	7/30	0.05^*	0.00003	0.00004	0.0005	0.00006	0.00007
metalxyl	7/30	0.05^*	0.0003^**	0.0003^**	0.0003^**	0.0003^**	0.0003^**
fenpropimorph	30/30	0.01^*	0.00005	0.00013	0.00013	0.00024	0.00033
propiconazole	13/30	0.01^*	0.0001	0.000014	0.00001	0.00002	0.00002
carbendazim	1/30	0.1^*	0.0004^**	0.0004^**	0.0004^**	0.0004^**	0.0004^**
cadusafos	30/30	0.01^*	0.00005	0.00009	0.000085	0.00012	0.00014
fenitrothion	30/30	0.01^*	0.0009	0.0039	0.0032	0.0099	0.0146

MRL Maximum Residue Limit
**= LOD value from validation
*= EU MRL default value

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