Table 2:
Nitrate contents in vegetables (Mean ± SD, n = 5).
Sample
[NO
3
-
] (mg/g)
Fresh Spinach
2.58 ± 0.24
Fresh Iceberg
1.73 ± 0.37
Fresh Romaine
1.78 ± 0.43
Fresh Celery
2.14 ± 1.18
Canned Spinach
1.22 ± 0.09