Volume: 54 Issue: 4
Year: 2023, Page: 1042-1051, Doi: https://doi.org/10.51966/jvas.2023.54.4.1042-1051
Received: June 14, 2023 Accepted: July 19, 2023 Published: Dec. 31, 2023
The present study was conducted to evaluate the shelf life qualities of flavoured egg drinks bottled in polyethylene terephthalate (PET) bottle and stored under refrigeration temperature(4±1°C). During storage study, samples were evaluated for pH, titratable acidity, specific gravity, total solids, microbiological quality and sensory profiles at three days interval up to 15 days of storage period. Control had significantly (p<0.01) higher pH and lower titratable acidity compared to standardised flavoured egg drinks. The pH values of control and treatments increased up to the ninth day of storage and then declined whereas the mean titratable acidity values decreased from initial value up to ninth day and thereafter increased on 15th day of storage. Storage conditions had no noticeable effect on the total solid values and the control drink had significantly (p<0.01) higher total solids than the standardised flavoured egg drinks. There was no significant difference in specific gravity up to sixth day of storage among control and standardised flavoured egg drinks, thereafter from ninth to 15th day control had significantly (p<0.01) higher specific gravity than standardised flavoured egg drinks. There was significant (p<0.01) increase in total viable count throughout the storage period. Yeast and mould and psychrotrophic counts were not detected up to 15 days of storage. Standardised flavoured egg drink showed a higher acceptable sensory score than control
throughout the storage period.
Keywords: Flavoured egg drink, shelf life, microbial count, sensory profile
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© 2023 Abhilash et al. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Abhilash, A.M., Joseph, B.C., Anitha, P., Sathu, T. and Suja, C.S. 2023. Quality of flavoured egg drink under refrigeration storage. J. Vet. Anim. Sci. 54(4):1042-1051
DOI: https://doi.org/10.51966/jvas.2023.54.4.1042-1051