Evaluation of the antimicrobial and antioxidant properties of eucalyptus and application in the production of potato starch for meat packing.
2021
Masoud Habibi Najafi | Ebrahim Hoseini | Seyed Ali Yasini Ardakani | Zhaleh Khoshkhoo | Nargess Mooraki
In this study, the antibacterial effect of eucalyptus extract on different bacteria showed that the bulk of compounds present in the sap of eucalyptus leaves were formed by the phenolic compounds. starch was prepared for the production of starch film was used to improve the quality of film by 10 % of the volume of glycerol. ground beef production was evaluated by adding 0.5 and 1.5 percent of eucalyptus oil to the film, then ground mutton meat was packed with film, and microbial and chemical properties and transparency of meat after preservation in the fridge were studied in times 1, 3 and 6 days. according to the results, inhibition of DPPH increased with an increase in the amount of extract and the highest percentage was reported on day 3. also the results of TBA with a decrease in the amount of extract decreased and the maximum reduction rate was reported on day 3. according to the results, the total population count of microorganisms decreased with an increase in the amount of extract and the maximum reduction rate was reported on day 3, but did not have significant differences with the sample count on the day 6 with the spread of corruption. (P> 0.05) is based on the results that Staphylococcus aureus has decreased by increasing the amount of extract and the maximum reduction rate is reported on day 3. However, on the day 3 at 0.5 % extract , its extracts and on the day 6 with the spread of corruption, the number of samples did not show significant differences. according to the results, the amount of transparency and color spectrum decreased with the increase of the extract and had significant differences with the sample. (p < 0.05)
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