Treatment
|
Concentration
|
Antioxidant activities
|
---|
DPPH (%)
|
ABTS (TEAC μM)
|
FRAP (TEAC μM)
|
---|
Control
|
–
|
81.2 ± 3.28c
|
245.23 ± 8.79 f
|
397.77 ± 13.34g
|
Yeast extract (mg/L)
|
1
|
86.4 ± 2.14b
|
297.68 ± 4.67 de
|
482.78 ± 19.46e
|
10
|
89.8 ± 1.61a
|
340.41 ± 11.67 c
|
552.21 ± 15.46d
|
50
|
88.6 ± 2.46a
|
286.32 ± 23.48 e
|
463.96 ± 11.67ef
|
100
|
88.4 ± 1.42a
|
282.85 ± 13.45 e
|
458.77 ± 12.46f
|
200
|
85.4 ± 3.47b
|
337.64 ± 9.49 c
|
547.67 ± 16.19d
|
Pectin (mg/L)
|
1
|
88.4 ± 0.97a
|
473.25 ± 8.49 a
|
767.64 ± 11.34a
|
10
|
85.3 ± 2.15b
|
418.47 ± 14.67 b
|
678.74 ± 17.15b
|
50
|
89.6 ± 1.35a
|
487.27 ± 12.78 a
|
790.36 ± 13.64a
|
100
|
82.2 ± 4.31bc
|
301.61 ± 21.25 d
|
489.27 ± 15.17e
|
250
|
82.5 ± 3.94bc
|
316.45 ± 16.31 d
|
513.27 ± 9.67de
|
500
|
88.2 ± 2.44a
|
384.12 ± 11.66 bc
|
622.94 ± 14.97c
|
- Values represent means ± standard errors from triplicates; different letters indicate significant differences at p < 0.05