Table 2.

Types of contaminants analyzed in each of the reviewed articles per continent and country.

		Contaminant
	Number of Articles	Metal (n = 51)	Microbial (n = 26)	Mycotoxin (n = 17)	Pesticide (n = 5)	Residual Solvent (n = 4)
Continent
Africa	39	19 (48.7)	14 (35.9)	6 (15.4)	1 (2.6)	1 (2.6)
Asia	45	28 (62.2)	10 (22.2)	10 (22.2)	4 (8.9)	3 (6.7)
Europe	5	3 (60.0)	1 (20.0)	1 (20.0)	0 (0.0)	0 (0.0)
South America	2	1 (50.0)	1 (50.0)	0 (0.0)	0 (0.0)	0 (0.0)
Country
Bangladesh	2	1 (50.0)	2 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
Benin	1	0 (0.0)	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)
Brazil	2	1 (50.0)	1 (50.0)	0 (0.0)	0 (0.0)	0 (0.0)
Cameroon	1	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
China	7	2 (28.6)	0 (0.0)	3 (42.9)	1 (14.3)	1 (14.3)
Estonia	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Ethiopia	2	1 (50.0)	1 (50.0)	0 (0.0)	0 (0.0)	0 (0.0)
Ghana	5	3 (60.0)	1 (20.0)	0 (0.0)	1 (20.0)	1 (20.0)
India	15	10 (66.7)	2 (13.3)	2 (13.3)	3 (20.0)	2 (13.3)
Indonesia	2	1 (50.0)	2 (100.0)	1 (50.0)	0 (0.0)	0 (0.0)
Iran	3	2 (66.7)	1 (33.3)	0 (0.0)	0 (0.0)	0 (0.0)
Iraq	1	0 (0.0)	1 (100.0)	1 (100.0)	0 (0.0)	0 (0.0)
Italy	1	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
Jordan	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Kenya	2	1 (50.0)	1 (50.0)	0 (0.0)	0 (0.0)	0 (0.0)
Kingdom Of Saudi Arabia	3	3 (100.0)	2 (66.7)	0 (0.0)	0 (0.0)	0 (0.0)
Malaysia	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Nepal	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Nigeria	10	4 (40.0)	4 (40.0)	3 (30.0)	0 (0.0)	0 (0.0)
Pakistan	5	3 (60.0)	0 (0.0)	2 (40.0)	0 (0.0)	0 (0.0)
Palestine	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Sierra Leone	1	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
South Africa	15	10 (66.7)	4 (26.7)	1 (6.7)	0 (0.0)	0 (0.0)
South Korea	1	0 (0.0)	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)
Tanzania	1	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
Thailand	2	1 (50.0)	0 (0.0)	1 (50.0)	0 (0.0)	0 (0.0)
Turkey	3	2 (66.7)	0 (0.0)	1 (33.3)	0 (0.0)	0 (0.0)
United Arab Emirates	1	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)