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[In vitro activity of ascorbic acid].

M López-Brea1, D Domingo, T Alarcón

  • 1Servicio de Microbiología, Hospital Universitario de la Princesa, C/Diego de León n masculine 62, 28006 Madrid.

Revista Espanola De Quimioterapia : Publicacion Oficial De La Sociedad Espanola De Quimioterapia
|August 11, 2001
PubMed
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Ascorbic acid (vitamin C) demonstrates significant in vitro activity against Helicobacter pylori. This finding supports vitamin C

Area of Science:

  • Microbiology
  • Nutritional Science
  • Gastroenterology

Background:

  • Helicobacter pylori is a significant pathogen associated with gastric diseases.
  • Ascorbic acid (vitamin C) is a vital nutrient with potential antimicrobial properties.
  • Understanding the in vitro efficacy of ascorbic acid against H. pylori is crucial for exploring its therapeutic potential.

Purpose of the Study:

  • To evaluate the in vitro antimicrobial activity of ascorbic acid against clinical isolates of Helicobacter pylori.

Main Methods:

  • Agar dilution method was employed to determine the minimum inhibitory concentration (MIC) of ascorbic acid.
  • Testing involved 43 clinical isolates of H. pylori.
  • Standardized inoculum and incubation conditions were utilized for MIC determination.

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Main Results:

  • Ascorbic acid exhibited notable in vitro activity against all tested H. pylori isolates.
  • The MIC(50) was 500 mg/l, and the MIC(90) was 1000 mg/l, with a range of 62 to 2000 mg/l.
  • No significant differences in susceptibility or resistance patterns were observed among the isolates.

Conclusions:

  • Ascorbic acid displays promising in vitro activity against Helicobacter pylori.
  • These findings may contribute to understanding the beneficial effects of vitamin C in gastric health.
  • Further research into vitamin C's role in managing H. pylori infections is warranted.