Protection against the Phytotoxic Effect of Mercury Chloride by Catechin and Quercetin

Table 1

Characterization of the most relevant FTIR peaks of pure catechin and associated with mercury chloride.

	Wavenumber (cm^-1)
Pure	0.05 mM HgCl2	1.25 mM HgCl2	Assignment
770	770	770	Deformation outside the OH group plane [24, 25]
823	823	823	δ (C-H) off plan [24, 25]
1028	1020	1020	Stretching of aromatic ring B and C-H bonds
1105	1103	1103	ν (C=O) [24, 25]
1140	1140	1140	ν (C=O) [24, 25]
1284	1284	1284	ν (ring A), ν (O-C), and ν (C-C) [24, 25]
1470	1466	1466	ν (anel A), ν (C-OH), and δ (C-H) [24, 25]
1522	1520	1520	ν (rings A and B) [24, 25]
1611	1611	1611	ν (rings A and B) [24, 25]
1620	1620	1620	ν (rings A and B) [24, 25]
2850	2850	2850	ν (O-H) [24, 25]
2919	2919	2919	ν (O-H) [24, 25]
3388			ν (O-H) [24, 25]
3887

ν = stretching, δ = bending, r = rocking, and ω = wagging.