Food Safety and Risk

Table 2 Concentrations of organochlorine pesticides in plots from Hidalgo, Mexico

From: Presence of organochlorine pesticides in xoconostle (Opuntia joconostle) in the central region of Mexico

Compounds	Plots (ng/g)
Compounds	1	2	3	4	5
Alpha HCH	0.10 ± 0.02*	LD	LD	LD	0.10 ± 0.06
Beta HCH	0.18 ± 0.08	LD	LD	LD	0.20 ± 0.09
Gamma HCH	0.18 ± 0.07	LD	0.18 ± 0.09	LD	0.23 ± 0.14
Delta HCH	LD	LD	LD	0.27 ± 0.12	0.21 ± 0.09
Heptachlor	0.60 ± 0.09	LD	LD	0.45 ± 0.15	0.50 ± 0.28
Aldrin	0.43 ± 0.10	LD	LD	LD	0.55 ± 0.19
Epoxide of heptachlor	0.37 ± 0.11	LD	LD	0.22 ± 0.06	LD
Endosulfan I	0.20 ± 0.05	LD	LD	LD	LD
p,p’-DDE	0.19 ± 0.05	LD	LD	0.72 ± 0.35	LD
Dieldrin	LD	LD	LD	0.18 ± 0.08	LD
Endrin	0.16 ± 0.09	LD	LD	0.25 ± 0.11	LD
Endosulfan II	LD	LD	LD	0.13 ± 0.07	LD
p,p’-DDD	LD	LD	LD	0.18 ± 0.08	LD
Endrin aldehyde	LD	LD	LD	0.43 ± 0.25	LD
Endosulfan sulfate	LD	LD	LD	LD	LD
p,p’-DDT	LD	LD	LD	0.30 ± 0.06	LD
Total	2.41 ± 0.66	LD	0.18 ± 0.09	3.13 ± 1.33	1.79 ± 0.85

Note: LD below of limit of detection, *Standard deviation σ

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