Results (
Thai) 1:
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Chitosan coatings,with andwithout clove oil,were investigated for effects on quality and shelf life of cooked porksausages stored at a refrigerated temperature (4± 2 °C). The various treatments of cooked pork sausages were:untreated (control), coatingwith 2% chitosan (CS), and coatingwith a mixture having 2% chitosan and 1.5% cloveoil (CS+CO). Various microbiological, physical, chemical and sensory propertiesweremonitored over 25 days ofstorage. The total viable count, the psychrotrophic bacteria count, the L* value, peroxide value and the thiobarbituricacid reactive substances increased,while the a* value, the b* value, the pH and the sensory scores decreasedwith storage time, across all treatments. However, these changes were slowest with the CS + CO treatment.Based on sensory evaluation and microbiological quality, the shelf lives were 14 days for control, 20 days forCS, and 20 days for CS + CO treated samples, under refrigerated storage.
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