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Nitrate accumulation in vegetables and its relationship to quality

Material type: TextSeries: ; Annals of Applied Biology, 115(3), p.553-561, 1989Contained works:
  • Blom-Zandstra, M
Subject(s): Online resources: Abstract: Many plants, especially leafy vegetables, accumulate nitrate under low light conditions as uptake of nitrate exceeds reduction. Nitrate may harm the health of the consumer as it can be converted to nitrite causing methaemoglobinaemia or carcinogenic nitrosamines. To take directional measures during the growth of vegetables which will decrease the nitrate content, physiological knowledge about the nitrogen economy of the plant is needed. In this review the physiological role of nitrate as osmoticum and its relationship with carbon utilisation will be described; some practical implications for growers and the consequence for quality of the product will be discussed.
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REF1 CICY F1 B-16129 (Browse shelf(Opens below)) Available

Many plants, especially leafy vegetables, accumulate nitrate under low light conditions as uptake of nitrate exceeds reduction. Nitrate may harm the health of the consumer as it can be converted to nitrite causing methaemoglobinaemia or carcinogenic nitrosamines. To take directional measures during the growth of vegetables which will decrease the nitrate content, physiological knowledge about the nitrogen economy of the plant is needed. In this review the physiological role of nitrate as osmoticum and its relationship with carbon utilisation will be described; some practical implications for growers and the consequence for quality of the product will be discussed.

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