Antimicrobial Activity of Lipophilic Avian Eggshell Surface Extracts
2010
The avian eggshell cuticle is the waxy outermost layer of the mineralized eggshell in direct contact with the environment. In this study, lipophilic eggshell surface extracts from three domestic species were evaluated for their antimicrobial activity. Chicken and goose extracts demonstrated potent bactericidal activity against both Gram-positive and Gram-negative bacteria, while activity could not be detected for duck eggshell surface extracts. Using the chicken as a model species, evaluation of albumen, fecal material, and uropygial gland extracts eliminated these as a potential source of the observed activity. Results suggest that lipophilic components are incorporated into the egg during its formation and play a role in antimicrobial defense. This study represents the first successful extraction and evaluation of lipophilic antimicrobial components from the avian egg.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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