Table 4 Collective data on the fold-increase among all the tested parameters at the lowest and highest concentrations of Cd and Pb in comparison to their controls.

Metal mg kg⁻¹	Total phenolic content	Total flavonoid content	Fold increases in total antioxidant activity			Antioxidant enzymes
Metal mg kg⁻¹	Total phenolic content	Total flavonoid content	DPPH	ABTS	PMC	POD	CAT	GST	GR
Cd₂₅	1.5^a	1.5^a	2.0^a	2.0^a	1.6^a	1.6^a	1.5^a	2.0^a	1.8^a
Cd₁₅₀	2.0^b	2.6^b	6.1^b	13.0^b	5.8^b	2.2^b	2.3^b	2.8^a	2.5^b
Pb₂₅	1.5^a	1.6^a	1.8^a	2.2^a	1.8^a	1.7^a	1.5^a	1.7^a	2.0^a
Pb₁₅₀	2.5^b	2.3^b	5.9^b	14.6^b	8.2^b	2.9^b	1.7^b	2.2^b	2.3^b

Data are presented as means ± SD (n = 4) and values in the same column with different superscripts were considered significant at p < 0.01.

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