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J Nutr Sci Vitaminol (Tokyo). 2003 Aug;49(4):297-9.

Bacteriocidal activity of garlic powder against Bacillus anthracis.

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Department of Medical Technology, Hirosaki University School of Health Sciences, Honcho, Hirosaki 036-8564, Japan.


The antibacterial activity of garlic powder was examined against Bacillus anthracis using agar plate cultivation and test tube methods. On the agar plate test, 1-5% garlic powder inhibited the growth of B. anthracis and Escherichia coli O157 used as references. A 1% water solution of garlic powder in the test tube method killed B. anthracis at 10(7) cfu/mL within 3 h of treatment at room temperature. A number of intestinal bacteria in a BALB/c mouse decreased after the oral administration of 1 mL of 1%, garlic powder solution once a day for 3 d. These results suggest that the oral administration of garlic powder is effective against pathogenic bacteria invasion into the intestine as an infection.

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