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The aim: The aim of the paper was the experimental study of the morphological features of albino rat hepatocytes after the consumption of the complex of food additives (monosodium glutamate, sodium nitrite, Ponceau 4R) supplemented into the ration and consumed for four weeks. Materials and methods: The study was performed on 30 outbred albino rats of both genders, weighing 204±0.67 g. The ration of the experimental animals, supplemented with a combination of food additives, namely, monosodium glutamate, Ponceau 4R, sodium nitrate, was consumed for 1 and 4 weeks. The study of the structure of hepathocytes was carried out on traditional histological preparations and preparations stained with Best’s carmine. Results: Supplementation of ration with the complex of food additives for one week showed the phenomena of fatty degeneration that dominated in hepatocytes, and in a longer consumption of food additives in the ration (for four weeks), the number of liver cells with the phenomena of hydropic degeneration significantly increased, while individual hepatocytes had signs of irreversible destructive changes. Conclusions: Consumption of the complex of food additives supplemented into the standard ration of laboratory animals for 4 weeks leads to a significant change in the dimensions of the liver cells, a decrease in their glycogen content, and a progressive increase in the number of hepatocytes with alterations.

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