Date of Completion

2024

Document Type

Research Project

Degree Name

Grade 12

Keywords

Antimicrobial; Crude extract; Bacillus cereus; Garlic peel; Pseudomonas aeruginosa

Abstract

Allium sativum L. (Garlic) is historically used worldwide as both a culinary ingredient and medicinal remedy and has been extensively studied for its antibacterial, antiviral, antifungal, and anticancer properties, primarily attributed to key components like allicin, ajoene, and flavonoids. This study focused solely on the antimicrobial properties of A. sativum L. peel crude extract against Bacillus cereus and Pseudomonas aeruginosa. A true experimental design was used in this study. The garlic peels were submitted to the DOST Industrial Technology Development Institute (DOST-ITDI) for crude extraction. The crude extract obtained was submitted to the Angelo King Medical Research Center and underwent phytochemical analysis. The experiment yielded negative results as the garlic peel crude extract was unable to show any significant results. In light of these findings, it is recommended that future researchers explore alternative applications for garlic peel beyond antimicrobial properties. Lastly, it is recommended to utilize bacterial strains similar to B. cereus for the experiment as it exhibited an inhibition zone of 7mm indicating a certain, though insignificant, degree of antimicrobial activity.

First Advisor

Pauline L. Cueno

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