Inhibitory Effect of Echinophora platyloba Essential Oil on Aspergillus flavus in Culture Media and Cheese
- سال انتشار: 1395
- محل انتشار: فصلنامه کنترل کیفیت مخاطرات مواد غذایی، دوره: 3، شماره: 4
- کد COI اختصاصی: JR_JFQHC-3-4_002
- زبان مقاله: انگلیسی
- تعداد مشاهده: 303
نویسندگان
Department of Food Hygiene, Faculty of Veterinary Medicine, University of Shahrekord, Chaharmahal and Bakhtiari, Iran
Department of Food Hygiene, Faculty of Veterinary Medicine, University of Shahrekord, Chaharmahal and Bakhtiari, Iran
Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
Department of Food Hygiene, Faculty of Veterinary Medicine, University of Shahrekord, Chaharmahal and Bakhtiari, Iran
چکیده
Background: In order to avoid potential harm of synthetic additives food, development of novel functional foods containing natural ingredients is considered in current years. In this study, inhibitory effect of Echinophora platyloba Essential Oil (EO) on growth of Aspergillus flavus was evaluated in culture media and cheese. Methods: E. platyloba EO was extracted by hydrodistillation method using a Clevengertype system. Growth of A. flavus on Potato Dextrose Agar (PDA) culture media was assayed using an agar dilution method. The lowest concentration which inhibited thegrowth of A. flavus was considered as Minimum Inhibitory Concentration (MIC) and the lowest concentration of EO which eliminated the mold was taken as Minimum FungicidalConcentration (MFC). Mold spore suspension was inoculated on Iranian ultra-filteredwhite cheese and the means of two perpendicular diameters of the fungal colony wascalculated. Statistical analysis was carried out using SPSS, Inc, Chicago, IL software(v.16.0).Results: All concentrations of EO exhibited significant inhibition (p< 0.05) of fungalgrowth in an agar medium. The concentration of 500 ppm of EO reduced the radialgrowth of A. flavus by 73.9% while higher concentration inhibited completely moldgrowth. MIC and MFC of the EO was 750 and 1500 ppm, respectively. All the levels ofEO had an inhibitory effect (p< 0.05) against radial fungal growth in cheese. However,the highest inhibitory effect was seen in cheese group treated with 2000 ppm of EO inwhich radial growth was reduced by 75.53%.Conclusion: This study suggested that the E. platyloba as a natural inhibitor was able tocontrol the growth of molds in foods such as cheese.کلیدواژه ها
Oils, Volatile، Aspergillus flavus ، Culture Media، Cheese، Food Safetyمقالات مرتبط جدید
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