The process where nitrate moves from blood to saliva and gets converted to nitrite by mouth bacteria is important for keeping nitrite levels stable in the blood.

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study design supports correlational claims. The language 'is important for maintaining' appropriately reflects the association observed without implying causation.

More Accurate Statement

“The enterosalivary circulation of nitrate to nitrite is associated with maintaining baseline nitrite levels in healthy young adults, as evidenced by the correlation between plasma and salivary nitrite levels.”

Evidence from Studies

Supporting (1)

Physiological role for nitrate-reducing oral bacteria in blood pressure control

Cross-Sectional Study

Human

2013 Feb

Contradicting (0)

No contradicting evidence found

Source Study

Physiological role for nitrate-reducing oral bacteria in blood pressure control

Score: 45

DOI: 10.1016/j.freeradbiomed.2012.11.013

Similar Assertions

In healthy people, the amount of nitrite in the blood was related to the amount in saliva, which suggests that the blood nitrite comes from the saliva through a specific pathway.

91%

Bacteria in the mouth help keep nitrite levels in the blood stable, which is shown by the fact that people with higher nitrite in their saliva also tend to have higher nitrite in their blood.

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The special mouthwash made rats' saliva have 5.7 times more nitrate and 6.3 times more nitrite than regular mouthwash, which helps the body's natural blood pressure regulation system.

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When nitrite levels in the blood went down after using mouthwash, blood pressure went up, and this connection was strong enough to be statistically significant.

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Researchers measured blood pressure and nitrate/nitrite levels in blood and saliva 2.5 hours after giving women a nitrate-rich drink.

71%