Cadmium Toxicity Affects Phytochemicals and Nutrient Elements Composition of Lettuce (Lactuca sativa L.)

Table 3

Effect of cadmium concentration on vitamin C, malondialdehyde (MDA), and proline in lettuce.

Treatment	Vitamin C (mg/100 g)	MDA (nmol/g FW)	Proline (µm/g FW)
Variety
BBL	4.45b	0.89b	106.67b
Italian 167	5.13a	1.17a	123.07a
Significance
Cadmium concentration (mg/L)
0	6.91a	0.57d	98.44
3	6.38b	0.63d	108.65
6	5.06c	0.87c	121.41
9	3.35d	1.29b	125.26
12	2.27e	1.78a	120.60
Significance			ns
Interaction
Variety Cd	ns		ns

Significant at 5%; highly significant at 1%; ns = not significant. Values within a column with the same letters are not significantly different (), means separation by LSD, 5%.