Table 4: Antioxidant activity percentage of TA-Cu(II) and TA-Zn(II) in buffered pH of 5.5 and 8.

Compound	Conc.		%AA (30min)	%AA (60min)	%AA (90 min)	Compound	Conc.	%AA (30min)	%AA (60min)	%AA (90 min)
	C1		5.60	12	13		C1	93.20	97.30	98.00
A1	C2		3.10	21	30	A5	C2	72.90	79.73	83.80
	C3		1.88	15	26		C3	58.10	73.00	80.40
	C4		0	0	0		C4	29.10	46.00	57.43
	C1		3.60	1.2	0		C1	78.90	93.15	94.74
A2	C2		1.79	3	1.8	A6	C2	45.26	61.60	72.1
	C3		5.39	4.2	3.6		C3	46.31	49.50	50.00
	C4		7.20	6.6	6		C4	11.58	8.90	7.90
	C1		9.40	12	15		C1	5.20	26.01	33.53
A3	C2		11.20	18	24	A7	C2	9.80	48.00	64.74
	C3		11.80	19	20		C3	4.62	17.30	45.70
	C4		12.40	25	26		C4	1.16	4.63	6.360
	C1		60.60	69	72		C1	0	0	0
A4	C2		48.10	51	51	A8	C2	0	0	4.90
	C3		34.40	37	38		C3	0	0	2.11
	C4		10.60	11	13		C4	0	0	0