Circulation of nitrate in the body. The recycling of dietary nitrate is

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Download scientific diagram | Circulation of nitrate in the body. The recycling of dietary nitrate is mainly in salivary glands, where sialin plays a key role in active transport and concentration of nitrate. Part of the nitrate is converted to nitrite by oral bacteria and subsequently absorbed in the stomach and intestine. Nearly 25% of circulating nitrate is reabsorbed by the salivary glands, whereas the majority is excreted by the kidneys. Nitrate performs physiological functions through the exogenous NO3-NO2-NO pathway. NO, nitric oxide; NO2-, nitrite; NO3-, nitrate. from publication: Nitrate and Nitrite in Health and Disease | The source of dietary nitrate (NO3) is mainly green, leafy vegetables, partially absorbed into blood through intestinal mucosa. The recycled nitrate is reabsorbed and concentrated by the salivary glands and then secreted into saliva. In 2012, sialin was first discovered as | Nitrate, Nitrite and NO2 | ResearchGate, the professional network for scientists.