Survey of antibacterial activity of alcoholic extracts of Aloe vera, German chamomile and Mentha piperita L as natural preservative of pasteurized milk

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Ahmadi Seyed Mohammad; Niknia Somayeh; Miri Mohammad Amin; Hadadi Tayebeh

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Journal: NEW FINDINGS IN VETERINARY MICROBIOLOGY Year:2020 | Volume:3 | Issue:1 Page(s): 47-59

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Title

Survey of antibacterial activity of alcoholic extracts of Aloe vera, German chamomile and Mentha piperita L as natural preservative of pasteurized milk

Author(s)

Ahmadi Seyed Mohammad | Niknia Somayeh | Miri Mohammad Amin | Hadadi Tayebeh | Issue Writer Certificate

Keywords

Antibacterial activity

Aloe vera

German chamomile

Ethanolic extract

Pasteurized milk

Abstract

Recently, studies have been conducted to use plant compounds as natural preservatives in foods. So, the ob-jective of this study was first to evaluate antimicrobial activity of ethanolic and mEthanolic extracts of Aloe vera, German chamomile and Mentha piperita L cultivated in Medicinal plants farm of agricultural research institute of zabol university, against spoilage and pathogenic microorganisms associated with Pasteurized milk including Pseudomonas aeruginosa, Bacillus cereus, Micrococcus luteus, listeria monocytogenes and Escherichia coli and the next stage was to investigate the impact of Ethanolic extracts of Aloe vera and German chamomile on the shelf life of Pasteurized milk. The results indicated that Aloe vera had the most antimicrobial activity followed by German chamomile and Mentha piperita L respectively (P<0. 05). In general, the Ethanolic extract of studied plants was found to posses more powerful Antibacterial activity than methanolic one (P<0. 05). Ethanolic extracts of Aloe vera and German chamomile were evaluated as natural preservatives at concentrations of 0. 15, 0. 3 and 0. 6 (% v/v). The results revealed that the treatments of Pasteurized milk with 0. 3% and 0. 15% of German chamomile and also Aloe vera with a concentration of 0. 3% with acceptable sensory properties had a significantly lower total microbial count and longer shelf life compared to the control sample. Therefore, this study confirmed the possi-bility of using of the extract of mentioned plants as a preservative in Pasteurized milk besides its beneficial prop-erties of a functional food.

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APA: Copy

Ahmadi, Seyed Mohammad, Niknia, Somayeh, Miri, Mohammad Amin, & Hadadi, Tayebeh. (2020). Survey of antibacterial activity of alcoholic extracts of Aloe vera, German chamomile and Mentha piperita L as natural preservative of pasteurized milk. NEW FINDINGS IN VETERINARY MICROBIOLOGY, 3(1 ), 47-59. SID. https://sid.ir/paper/393068/en

Vancouver: Copy

Ahmadi Seyed Mohammad, Niknia Somayeh, Miri Mohammad Amin, Hadadi Tayebeh. Survey of antibacterial activity of alcoholic extracts of Aloe vera, German chamomile and Mentha piperita L as natural preservative of pasteurized milk. NEW FINDINGS IN VETERINARY MICROBIOLOGY[Internet]. 2020;3(1 ):47-59. Available from: https://sid.ir/paper/393068/en

IEEE: Copy

Seyed Mohammad Ahmadi, Somayeh Niknia, Mohammad Amin Miri, and Tayebeh Hadadi, “Survey of antibacterial activity of alcoholic extracts of Aloe vera, German chamomile and Mentha piperita L as natural preservative of pasteurized milk,” NEW FINDINGS IN VETERINARY MICROBIOLOGY, vol. 3, no. 1 , pp. 47–59, 2020, [Online]. Available: https://sid.ir/paper/393068/en

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