Among all vegetables, rocket, mizuna, and bok choy have the most nitrate and nitrite—like natural preservatives—so if you eat these greens, you’re getting more of these compounds than from other veggies.

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Against

Evidence from Studies

Supporting (1)

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Community contributions welcome

32

A worldwide systematic review, meta-analysis and meta-regression of nitrate and nitrite in vegetables and fruits.

Cross-Sectional Study

2023 Jun 1

This study found that rocket, mizuna, and bok choy have more nitrates and nitrites than any other vegetables, just like the claim says — so the claim is backed up by solid science.

Contradicting (0)

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Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

A worldwide systematic review, meta-analysis and meta-regression of nitrate and nitrite in vegetables and fruits.

Score: 32

DOI: 10.1016/j.ecoenv.2023.114934

Similar Assertions

Vegetables and fruits both have a lot more nitrate than nitrite, and the amount of nitrite is about the same in both kinds of food.

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77%

Vegetables and fruits in Brazil, Estonia, and Taiwan have more nitrates and nitrites than in other countries, with Brazil having the most—this suggests that where you grow your produce can affect how much of these chemicals are in it.

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75%