Volume 16, Issue 95 (2019)                   FSCT 2019, 16(95): 53-62 | Back to browse issues page

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Shahdadi F, Doumari H, Nejad Sajadi S H, Rafieepour A, Mahdavinia A, dezyani M et al . Effect of Pistacia atlantica Powder and Extract on the Growth of Aspergillus flavus and Aspergillus niger in lactic Cheese. FSCT 2019; 16 (95) :53-62
URL: http://fsct.modares.ac.ir/article-7-33363-en.html
1- Univresity of Jiroft
2- University of Jiroft
3- Pegah Milk company of Jiroft
Abstract:   (3304 Views)
This research was carried out to study the antifungal effect of aqueous extract and powder of Pistacia atlantica at 0, 0.5, 1, 2.5 and 5% on the growth of Aspergillus flavus and Aspergillus niger. Minimum Inhibitory Concentration (MIC) and Minimum Fungicidal Concentration (MFC) of the baneh extract and powder was certified against Aspergillus niger and Aspergillus flavus in concentrations of 0.5, 0.4, 0.3, 0.2, 0.1 and 0.05 g /ml were determined by Serial Dilution technique. After preparing lactic cheese samples, a 10 mm piece was placed inside the plate and 3 μl Aspergillus flavus and Aspergillus niger was added to its center. Plates were incubated at 26 ° C for 3 weeks and the zone diameter of mold growth was measured. The results showed that by increasing the storage period, the growth zone diameter of Aspergillus flavus and Aspergillus niger in all of treatments increased. The treatments had a greater effect on the control of Aspergillus flavus mold growth than that of Aspergillus niger in lactic cheese. In mold and yeast counting, the highest count was observed for control treatment and the lowest increase was related to treatment containing 5% extract of Pistacia atlantica. The experimental treatments also significantly affected the sensory properties of the cheese samples. The highest taste scores were for samples containing 0.5 and 1% Pistacia atlantica extract. The samples containing more levels of extract (2.5 and 5 %) were less scored in terms of flavor and taste than those containing powder of Pistacia atlantica. From the findings of this study, it can be concluded that extracts and powder of Pistacia atlantica have an appropriate antifungal activity against Aspergillus niger and Aspergillus flavus, Therefore, they can be used in medical pharmacology, food industries and health affairs as drugs and anti-fungal elements.
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Article Type: Original Research | Subject: Food quality control
Received: 2019/05/28 | Accepted: 2020/01/7 | Published: 2019/12/31

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