Table 5.

Antioxidant activity of Turnera spp. evaluated in rats.

Ref.	Species	Part of the Plant	Extract/ Compound	Dosage (mg/kg p.o.)	Agent of Damage (Dose)	Tissue Analyzed	Parameter	Levels	Notes
[28]	T. aphrodisiaca	H	AQ	200–400	CCl4 (0.7 mL/kg i.p.)	Kidney	CAT	2.7–2.9	U/mg protein
							SOD	5.9–7.1	U/mg protein
[28]	T. aphrodisiaca	H	E	200–400	CCl4 (0.7 mL/kg i.p.)	Kidney	CAT	2.4–2.5	U/mg protein
							SOD	6.9–7–6	U/mg protein
[16]	T. diffusa	A	HA	150	STZ (65 mg/kg i.p.)	Liver mitochondria	MDA	3.3	nmol/mg protein
							NO	0.4	µmol/mg protein
[29]	T. diffusa	H	-	50	Fenitrothion, K2Cr2O7 (68 mg/kg, 2 mg/kg)	Testicle	CAT	6	U/mg protein
							H2O2	78.7	µmol/g tissue
							GPx	1.7	U/mg
							GR	15.9	U/mg
							GSH	1.6	mmol/mg protein
							GST	0.4	µmol/h/mg protein
							SOD	51.3	U/mg protein
							TBARS	24	nmol/g tissue
[30]	T. diffusa	H	AQ	80	Amitriptyline (70 mg/kg i.p.)	Testicle	GPx	6.8	U/mg
							GR	16	U/mg
							GSH	2.6	mmol
							GST	0.5	µmol/h/mg protein
							SOD	67.9	U/mg protein
							TBARS	22.5	nmol/g tissue

Ref.: reference. H: leaf. A: aerial. AQ: aqueous. HA: hydroalcoholic. E: ethanolic. STZ: streptozotocin.