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Asian Journal of Plant Sciences
  Year: 2007 | Volume: 6 | Issue: 8 | Page No.: 1197-1203
DOI: 10.3923/ajps.2007.1197.1203
 
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Evaluation of Nitrate and Nitrite Content of Iran Southern (Ahwaz) Vegetables During Winter and Spring of 2006

Ahmad Shahlaei , Naser Alemzadeh Ansari and Farideh Sedighie Dehkordie

Abstract:
Vegetable crops have main role in healthy and diet of people. High nitrate and nitrite concentration then limited value of vegetable crops that have threat for human health. From winter to middle spring, leafy vegetables are produced for many markets of Iran in Khuzestan province. To evaluation of nitrate and nitrite content, sampling of vegetables was conducted in Ahwaz's (center of Khuzestan province) markets and fields in winter and spring of 2006. The results showed that there were significant differences (p<0.01) in nitrate content between various vegetables. Also, there were significant differences (p<0.01) in nitrite content of various vegetables and seasons of sampling. The effect of seasons on nitrate content was not significant. Celery petioles (3015.8 mg kg-1 Fresh Weight (FW)) and potato (184.4 mg kg-1 FW) have the highest and lowest nitrate content between all kinds of vegetables, respectively. The highest and lowest nitrite content were for tomato (9.45 mg kg-1 FW) and mint (1.51 mg kg-1 FW), respectively. The mean nitrate content of fruit bearing, leafy and bulbous and tuberous vegetables were 999.3, 862 and 666 mg kg-1 FW, respectively. These values for nitrite were 6.8, 2.96 and 3.63 mg kg-1 FW, respectively. In the almost of the fruit bearing vegetables (such as tomato and cucumber) and tuberous ones (such as potato and carrot) the nitrate content was higher than limited values. While leafy vegetables nitrate content was lower than allowable levels.
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How to cite this article:

Ahmad Shahlaei , Naser Alemzadeh Ansari and Farideh Sedighie Dehkordie , 2007. Evaluation of Nitrate and Nitrite Content of Iran Southern (Ahwaz) Vegetables During Winter and Spring of 2006. Asian Journal of Plant Sciences, 6: 1197-1203.

DOI: 10.3923/ajps.2007.1197.1203

URL: https://scialert.net/abstract/?doi=ajps.2007.1197.1203

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