Determining Nitrate and Nitrite Content in Beverages, Fruits, Vegetables, and Stews Marketed in Arak, Iran

Table 3

Mean levels and range (mg kg⁻¹) for nitrate and nitrite in some fruits and vegetables.

Kind of fruit	Samples	Nitrate		Nitrite
		Mean	Min–Max	Mean	Min–Max
Watermelon	20	26.61^a	13.95–37.7	5.5^a	3.1–8.5
Cantaloupe	14	58.98^b	23–103	28.36^b	4.6–57.5
Melon	21	33.64^a	16.28–72.5	7.65^a	3.7–16.7
Tomatoes	21	7.82^a	3.19–12.98	1.81^a	<LOD–2.93
Cucumber	29	42.7^a	12.32–88.6	9.03^a	2.8–18.5

Least squares means within the same row without a common superscript differ ( < 0.05).