EFEITOS DO ÁCIDO ASCÓRBICO NA GLICAÇÃO DA HEMOGLOBINA: UMA REVISÃO INTEGRATIVA
EFEITOS DO ÁCIDO ASCÓRBICO NA GLICAÇÃO DA HEMOGLOBINA: UMA REVISÃO INTEGRATIVA
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DOI: https://doi.org/10.22533/at.ed.94724191110
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Palavras-chave: Palavras-chave: Diabetes mellitus; hemoglobina glicada; glicação; ácido ascórbico.
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Keywords: Diabetes mellitus; glycated hemoglobin; glycation; ascorbic acid.
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Abstract: Diabetes mellitus (DM) is a disease associated with high morbidity and mortality worldwide, diagnosed by detecting hyperglycemia through fasting plasma glucose, oral glucose tolerance test, or glycated hemoglobin (HbA1c). HbA1c, produced in response to hyperglycemia, reflects blood glucose levels over time, being crucial for monitoring and therapeutic evaluation of diabetic patients. However, medications and vitamins such as ascorbic acid can interfere with these results, impacting DM diagnosis and treatment. Studies suggest that specific doses of ascorbic acid may reduce hemoglobin glycation rates, underestimating blood glucose. This integrative review aims to assess the effects of ascorbic acid on hemoglobin glycation by consulting articles in databases such as Cochrane Library, Scielo, BVS, and PubMed. Initially, 14 studies were identified in the initial search, and after applying the established inclusion and exclusion criteria, a total of 7 studies were included in this review. Of these, four were in vivo, two were preclinical trials, and one was conducted in vitro. Results showed variations in the relationship between vitamin C and hemoglobin glycation. Among the four in vivo studies, two demonstrated that vitamin C inhibited hemoglobin glycation, while the other two did not observe such an effect. Preclinical studies found a reduction in hemoglobin glycation with vitamin C, while the in vitro study did not observe significant inhibition. Most studies indicate a trend that vitamin C plays a significant role in inhibiting hemoglobin glycation, although results may vary considerably depending on experimental and methodological conditions. This divergence underscores the need for further research to elucidate underlying mechanisms.
- Érika Biannca Fróes De França
- Sally Cristina Moutinho Monteiro