BACKROUND: In this study, hen eggs which were experimentally contaminated withEsherichia coliATCC... more BACKROUND: In this study, hen eggs which were experimentally contaminated withEsherichia coliATCC 25922 were used. Contaminated eggs were washed statically (S5 to S30; 0 kHz) and by ultrasonic waves (U5 to U30; 35 kHz) for given applications of time (5, 15 and 30 min), then the eggs were stored at 22 ◦ C for 14 days. RESULTS: Depending on the time of ultrasonic application, a significant increase in egg shell strength (P<0.01) was recorded. The highest value of the Haugh unit (67.93, 1 day) was observed on the eggs which were washed by ultrasonic waves. Yolk width values of ultrasonic washed eggs diminished.E. coliwas completely removed by 30 min of ultrasonic application. During storageE. coligrowth was not detected on the eggs which were washed by ultrasonic waves except the eggs in U5 group (2.04 log CFU eggshell −1 ) on the first day of storage. CONCLUSION: Depending on the time of ultrasonic application a significant increase in egg quality parameters (shell strength, albumen height, Haugh units, and yolk height) were observed. The application of ultrasound led to a significant reduction inE. colinumbers on egg shells.
BACKROUND: In this study, hen eggs which were experimentally contaminated withEsherichia coliATCC... more BACKROUND: In this study, hen eggs which were experimentally contaminated withEsherichia coliATCC 25922 were used. Contaminated eggs were washed statically (S5 to S30; 0 kHz) and by ultrasonic waves (U5 to U30; 35 kHz) for given applications of time (5, 15 and 30 min), then the eggs were stored at 22 ◦ C for 14 days. RESULTS: Depending on the time of ultrasonic application, a significant increase in egg shell strength (P<0.01) was recorded. The highest value of the Haugh unit (67.93, 1 day) was observed on the eggs which were washed by ultrasonic waves. Yolk width values of ultrasonic washed eggs diminished.E. coliwas completely removed by 30 min of ultrasonic application. During storageE. coligrowth was not detected on the eggs which were washed by ultrasonic waves except the eggs in U5 group (2.04 log CFU eggshell −1 ) on the first day of storage. CONCLUSION: Depending on the time of ultrasonic application a significant increase in egg quality parameters (shell strength, albumen height, Haugh units, and yolk height) were observed. The application of ultrasound led to a significant reduction inE. colinumbers on egg shells.
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Papers by Emin Mercan
Contaminated eggs were washed statically (S5 to S30; 0 kHz) and by ultrasonic waves (U5 to U30; 35 kHz) for given applications
of time (5, 15 and 30 min), then the eggs were stored at 22
◦
C for 14 days.
RESULTS: Depending on the time of ultrasonic application, a significant increase in egg shell strength (P<0.01) was recorded.
The highest value of the Haugh unit (67.93, 1 day) was observed on the eggs which were washed by ultrasonic waves. Yolk
width values of ultrasonic washed eggs diminished.E. coliwas completely removed by 30 min of ultrasonic application. During
storageE. coligrowth was not detected on the eggs which were washed by ultrasonic waves except the eggs in U5 group (2.04
log CFU eggshell
−1
) on the first day of storage.
CONCLUSION: Depending on the time of ultrasonic application a significant increase in egg quality parameters (shell strength,
albumen height, Haugh units, and yolk height) were observed. The application of ultrasound led to a significant reduction inE.
colinumbers on egg shells.
Contaminated eggs were washed statically (S5 to S30; 0 kHz) and by ultrasonic waves (U5 to U30; 35 kHz) for given applications
of time (5, 15 and 30 min), then the eggs were stored at 22
◦
C for 14 days.
RESULTS: Depending on the time of ultrasonic application, a significant increase in egg shell strength (P<0.01) was recorded.
The highest value of the Haugh unit (67.93, 1 day) was observed on the eggs which were washed by ultrasonic waves. Yolk
width values of ultrasonic washed eggs diminished.E. coliwas completely removed by 30 min of ultrasonic application. During
storageE. coligrowth was not detected on the eggs which were washed by ultrasonic waves except the eggs in U5 group (2.04
log CFU eggshell
−1
) on the first day of storage.
CONCLUSION: Depending on the time of ultrasonic application a significant increase in egg quality parameters (shell strength,
albumen height, Haugh units, and yolk height) were observed. The application of ultrasound led to a significant reduction inE.
colinumbers on egg shells.