Meta-analysis of the Effect of Garlic on Microbial Count in Meat Products
DOI:
https://doi.org/10.29244/jmpi.2025.12.1.14Keywords:
antimicrobial, bacteria, garlic, meat product, meta-analysisAbstract
Garlic (Allium sativum L.) is a natural ingredient used for microbiological control in meat products. This study aimed to analyze the effect of garlic addition on microbial count reduction in meat products through meta-analysis. The meta-analysis was conducted using 304 extracted data points from 10 articles, analyzed with the Hedges' d method. The results showed that the addition of garlic significantly reduced microbial counts (p<0.05) in three types of meat products: raw meatballs (minced mutton), ground beef, and raw chicken meat. Among the different forms of garlic tested, freeze-dried powder, oven-dried powder, and microencapsulated essential oil were the most effective in reducing microbial counts. Garlic treatment led to a reduction in seven types of tested microbes, except for Staphylococcus aureus. The highest microbial reductions were observed for Listeria monocytogenes (-6.626 to -2.009 log₁₀ CFU/g), sulfite-reducing anaerobes (-4.521 to -2.193 log₁₀ CFU/g), and Escherichia coli (-2.771 to -1.225 log₁₀ CFU/g).
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