Food bioactive componts, a possible adjuvant for H.pylori eradication

نویسندگان

  • Soheil Ebrahimpour
  • Haleh Esmaeili
  • Reza Ghadimi
چکیده

Dear Editor, Helicobacter pylori (H. pylori) is a Gram-negative bacillus. Since its discovery in the early eighties by warren and marshall, for the first time in the history of medicine H. pylori was isolated from human gastric biopsy specimens (1). Many studies have presented that H. pylori can be isolated from the oral cavity and salivary secretions. Colonization of the gastric pits in the stomach by this brachium is a serious risk factor for peptic ulcers and stomach cancer (2). Several antibiotic regimens have been assessed for H. pylori therapy. Despite that, few regimens have shown high eradication rates. Therapeutic regimens of H. pylori infection are usually based on at least two types of antibiotics (imidazoles, macrolides and amoxicillin) combined with a double dose of the proton-pump inhibitor (omeprazole or pantoprazole). The problem of eradication therapy is the potentially undesirable increasing resistance of H. pylori to the commonly used antibiotics. Moreover, eradication therapy is associated with some side effects. Long-term therapy with the antibiotic can result in pervasive alterations in gut flora and lead to susceptibility infections. So, the development of the adjuvant therapy for the eradication of H. pylori which also prevent adverse side effects would be a valuable item. Accordingly, different potential adjuvant therapies for H. pylori have been considered. The major research on alternative therapies contains foods like plant origin, probiotics, and polysaccharides. Some compounds from medicinal plants with anti-H.pylori activity consist of polyphenolic, sulforaphane, flavonoids, carvacrol, tannins, quercetin and β-hydrastine (3, 4). Green tea contains polyphenols, which hamper the growth of bacteria. Some studies have shown that drinking green tea can decrease H. pylori colonization during standard treatments (5). Broccoli sprouts (high in sulphorafane), cruciferous vegetables include kale, cabbage, cauliflower, brussels sprouts, redheaded cabbage, and radishes (high in isothiocyanates) can diminish the H. pylori growth (6). Apples contain flavonoids that defend the lining materials of the stomach against H.pylori infection (7). Honey exhibits potent in vitro bacteriostatic activity against H. pylori and inhibits urease activity. Antibacterial activity of honey is attributable to its hydrogen peroxide content (5). Probiotic bacteria can modulate H. pylori activity by either immunological (reduction of IL-1 and IL-6) or non-immunological mechanisms (competition with potential microorganisms) (3). Therefore, the use of antibiotics as first-line therapies may be appropriate for the eradication of H.pylori, but the results confirm the medicinal properties of some foods and compounds as a new adjuvant therapy for H.pylori eradication. Moreover, further studies should be required to support their use.

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عنوان ژورنال:

دوره 8  شماره 

صفحات  -

تاریخ انتشار 2017