Effects of essential oil of Satureja bachtiarica, Satureja khuzestanica and Mentha longifolia on the growth of Actococcus garvieae in rainbow trout fillet
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Author
Ansari, MahsaDate
2014
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Show full item recordAbstract
The present research was done with the aim of studing the effects of some medicinal plant essential oils against Lactococcus garvieae and on some spoilage indexes in rainbow trout fillets in 4°C during 18 days. Essential oils of Mentha longifola (20, 40 and 80 μg g-1), Satureja bachtiarica (0.125, 0.25 and 0.50 μg g-1) and Satrureja khuzestanica (0.06, 0.12, 0.25 and 0.50 μg g-1) were used for this study. According to the results, the highest and the lowest microbial load were observed in control group and the groups contained 80 and 40 μg g-1 of Mentha longifola, respectively (P≤0.05). The spoilage indexes were increased after 18 days showing a statistical difference for protein, fat, TVN, FFA and TBA (P≤0.05). The most and the least changes were observed in the the control group and the fillets containing 80 μg g-1 of Mentha longifola, respectively (P≤0.05). The results indicated that, in comparison with control group, using herbal essential oils leads to reduction of Lactococcus garvieae population and spoilage process of the fillets through decreasing in TVN, FFA and TBA. Meanwhile, Mentha longifola having 80 μg g-1 was found to be more effectivePages
86Degree
PhDPublisher or University
Islamic Azad University, Science and Research Branch, Tehran, Fisheries