In vitro Effectiveness of Garlic (Allium sativum) Extract on Scolices of Hydatid Cyst
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Surgery is still the main treatment for hydatid disease. Recurrence of the infection is one of the end points of surgery in treating the hydatid cyst which results from the dissemination of protoscolices-rich fluid. Installation of a scolicidal agent into the cyst is the most commonly employed measure to prevent recurrence. Many scolicidal agents have been used for inactivation of the cyst’s content, but most of them are not safe due to their undesired side effects. In the present study, the scolicidal effect of methanolic extract of Allium sativum is investigated.
Protoscolices were aseptically collected from sheep livers containing hydatid cysts. Two concentrations (25 and 50 mg ml−1) of garlic extract were used for 10, 20, 30, 40, 50, and 60 min. Viability of protoscolices was confirmed by 0.1% eosin staining.
Allium sativum extract at the concentration of 25 mg ml−1 killed 87.9, 95.6, 96.8, 98.7, 99.6, and 100% of protoscolices following 10, 20, 30, 40, 50, and 60 min of application, respectively. Moreover, the scolicidal activity of Allium sativum extract at the concentration of 50 mg ml−1 was 100% after 10 min of application.
Methanolic extract of Allium sativum had a high scolicidal activity in vitro and thus might be used as a scolicidal agent in the surgical treatment of the hydatid cyst. However, further investigation on the in vivo efficacy of Allium sativum extract and its possible side effects is proposed.
KeywordsMethanolic Extract Hydatid Cyst Hypertonic Saline Echinococcosis Cystic Hydatid Disease
The authors received financial support from Shiraz University (grant No. 87-GR-VT-24). We acknowledge Mr. A. Motabi Alavi for his kind assistance during this study.
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