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Wolverhampton Intellectual Repository and E-Theses > Research Institutes > Research Institute in Healthcare Science > Food Biology, Medical Microbiology and Disinfection Research Group > The effect of simulated gastric environments on the anti-Helicobacter activity of garlic oil.

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/29450
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Title: The effect of simulated gastric environments on the anti-Helicobacter activity of garlic oil.
Authors: O'Gara, Elizabeth A.
Maslin, David J.
Nevill, Alan M.
Hill, David J.
Citation: Journal of Applied Microbiology, 104(5): 1324-1331
Publisher: Blackwell Synergy
Journal: Journal of Applied Microbiology
Issue Date: 2008
URI: http://hdl.handle.net/2436/29450
DOI: 10.1111/j.1365-2672.2007.03637.x
PubMed ID: 18028365
Additional Links: http://www.ingentaconnect.com/content/bsc/jam/2008/00000104/00000005/art00011?token=004f162774df85437a63736a425547355d23663444452a3e6f644a467b4d616d3f4e4b34774759d
Abstract: AIMS: To investigate the effects of simulated gastric conditions upon the anti-Helicobacter pylori effects of garlic oil (GO). METHODS AND RESULTS: Time course viability experiments assessed the anti-H. pylori activity of GO (16 and 32 microg ml(-1)) in simulated gastric environments. Rapid anti-H. pylori action of GO was observed in artificial gastric juice. Mucus (1-5%) was strongly protective of H. pylori both alone and in the presence of GO, but its protective effect was antagonized by GO. Peptone (5-15 g l(-1)) caused a dose-dependent reduction in the anti-H. pylori activity of GO. Rapeseed oil (5.7-17 g l(-1)) greatly diminished the anti-H. pylori activity of GO. Dextrin (44 and 133 g l(-1)) exhibited direct anti-H. pylori effects and added to those of GO. Simulated meal mixtures decreased but did not eliminate the anti-H. pylori activity of 32 mug ml(-1) GO. CONCLUSIONS: The anti-H. pylori activity of GO was noticeably affected by food materials and mucin. However, substantial activity remained under simulated gastric conditions. Further investigation of the therapeutic potential of GO against H. pylori is therefore warranted. SIGNIFICANCE AND IMPACT OF THE STUDY: Garlic oil may be useful as an alternative treatment against H. pylori, a major cause of gastrointestinal infections in humans.
Type: Article
Language: en
Keywords: Antimicrobial activity
Garlic
Gastric modelling
Helicobacter pylori
Mucin
ISSN: 1365-2672
Appears in Collections: Food Biology, Medical Microbiology and Disinfection Research Group
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