Contents of Nitrate and Nitrite in Vegetable Juice, Tea Beverage and Mineral Water on the Market

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  • 市販飲料中の硝酸塩および亜硝酸塩の含有量調査
  • シハン インリョウ チュウ ノ ショウサンエン オヨビ アショウサンエン ノ ガンユウリョウ チョウサ

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The contents of nitrate and nitrite in vegetable juice (n=63), tea beverage (n=12) and mineral water (n=15) were measured. The mean contents of nitrate were 0.73±14.57 mg/100 g, 0.61±1.12 mg/100 g and 0.25±0.33 mg/100 g as NO3-, respectively. The contents of the nitrite were 0.03±0.05 mg/100 g, 0.02±0.01 mg/100 g and 0.001±0.001 mg/100 g as NO2-, respectively. The content of nitrate is high in some vegetable juices, and warnings may be necessary for people who drink them frequently.

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