In the European Union, no specific requirements for the physicochemical parameters of dietary supplements have been established, contrary to the United States of America. This research aimed to assess the selected physical parameters of 31 commercially available beetroot-based dietary supplements in the form of tablets and capsules following the United States Pharmacopoeia (USP) guidelines and the Food and Drug Administration (FDA) recommendations. There was also estimated zinc and iron content by atomic absorption spectroscopy with flame detection. Results showed that nine products did not meet the USP requirements. Seven supplements needed more than 30 min to disintegrate. Two products in the form of tablets did not pass the friability test because of cracking. The hardness values varied significantly between manufacturers, demonstrating values from 59.1 to 455.8 N. The iron-enriched supplements differed significantly in iron content compared with the manufacturers' declaration (84.91-140.69%). Inappropriate quality of dietary supplements, which may constitute a...
Evaluation of physicochemical properties of beetroot-based dietary supplements.
M. Grembecka, Department of Bromatology, Faculty of Pharmacy, Medical University of Gdansk, Gen. J. Hallera Avenue 107, 80-416 Gdansk, Poland. E-mail email@example.com
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Brzezinska, J., Szewczyk, A., Brzezicha, J., Prokopowicz, M., Grembecka, M.; Evaluation of physicochemical properties of beetroot-based dietary supplements.. IFIS Food and Health Sciences Database 2022; doi:
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