NITRATES AND NITRITES IN SALIVA, HEMOGLOBIN AND METHEMOGLOBIN IN BLOOD OF VEGETARIANS AND PEOPLE ON TRADITIONAL DIET

The contents of nitrates and nitrites in saliva and the blood levels of hemoglobin and methemoglobin were determined by analytical methods in vegetarians and in controls taking traditional food. In vegetarians the levels of nitrates and nitrites in saliva were significantly higher than these in controls, this was probably due to a higher intake of nitrates with diet in that group. Own studies showed that the intake of nitrates with diet by vegetarians was over twice as high as in controls [Traczyk, 1998]. Hemoglobin levels in vegetarians were statistically significantly lower than in controls. In a considerable part of vegetarians (36 %) the hemoglobin level was below normal values. Significantly higher levels of methemoglobin were found in blood of vegetarians as compared to controls. In over 90 % of subjects in that group these levels were above normal values.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.