. 2012 Mar 29;7(3):e33210. doi: 10.1371/journal.pone.0033210

Table 5. Effects of EBL and Spd on PS II quantum yield (Fv/Fm), Cr-uptake and radical scavenging activities in radish seedlings under Cr-stress.

Treatment	PS IIquantum yield(Fv/Fm)	Cr content(µg g⁻¹ DW)	% inhibition of DPPH activity	% inhibition of deoxyribose degradation	% FRAP activity
Control	0.29±0.033^a	0.08±0.04^a	35.21±3.82^a	39.17±4.06^a	45.15±2.32^a
Cr	0.11±0.052^b	1.25±0.09^b	11.31±1.18^b	13.12±3.55^b	10.18±1.60^b
Cr+EBL	0.18±0.052^b	0.12±0.01^a	32.14±3.14^a	22.45±6.03^a	31.23±3.21^a
Cr+Spd	0.13±0.038^b	0.25±0.01^c	29.14±7.69^a	34.12±5.85^a	30.23±3.54^a
Cr+Spd+EBL	0.21±0.032^a§	0.15±0.01^a§	33.16±5.58^a	38.13±6.35^a*	42.13±4.10^c*§

Data are presented as mean ± SE. Different superscripted letters (a, b, c) within a column indicate significant difference from each other in all combinations (Tukey's test, p<0.05). Symbols “*” and “^§” indicate significant difference in a given column for EBL+Spd vs. EBL and Spd+EBL vs. Spd under Cr-stress, respectively (Tukey's test, p<0.05). PS II, photosystem II; DPPH, 1,1-diphenylpicrylhydrazyl; FRAP, Fe²⁺ ions reducing antioxidant power.