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Antimicrobial Activity of Nanoencapsulated Essential Oils of Tasmannia lanceolata, Backhousia citriodora and Syzygium anisatum against Weak-Acid Resistant Zygosaccharomyces bailii in Clear Apple Juice

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Alderees, F., Akter, S., Mereddy, R. and Sultanbawa, Y. (2021) Antimicrobial Activity of Nanoencapsulated Essential Oils of Tasmannia lanceolata, Backhousia citriodora and Syzygium anisatum against Weak-Acid Resistant Zygosaccharomyces bailii in Clear Apple Juice. Beverages, 7 (3). p. 67. ISSN 2306-5710

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Article Link: https://doi.org/10.3390/beverages7030067

Publisher URL: https://www.mdpi.com/2306-5710/7/3/67

Abstract

The anti-yeast activity of oil-in-water encapsulated nanoemulsion containing individual or a combination of the three essential oils of Tasmanian pepper leaf (Tasmannia lanceolata), lemon myrtle (Backhousia citriodora), and anise myrtle (Syzygium anisatum) against weak-acid resistant Zygosaccharomyces bailii in clear apple juice was investigated. The effectiveness of the shelf-life extension of Z. bailii-spiked (1 × 103 CFU/mL) clear apple juice was evaluated and compared between natural (essential oils) and synthetic (sodium benzoate) antimicrobial agents. Essential oils showed an immediate reduction in the Z. bailii cell population at day-0 and exerted a fungicidal activity at day-4 of storage, with no further noticeable growth at the end of the experiment (day-28). At lower concentrations, Tasmanian pepper leaf oil of 0.0025% had >6 log CFU/mL at day-12 of storage. For lemon myrtle essential oils, the yeast population reached >6 log CFU/mL at day-24 and day-20 for concentrations of 0.02% and 0.01%, respectively. The fungicidal activity of Tasmanian pepper leaf oil reduced from 0.005% to 0.0025% v/v when mixed at a ratio of 1:1 with anise myrtle oil. The results of the present study suggest that these three native Australian herbs have the potential to be used in the beverage industry by controlling Zygosaccharomyces bailii in clear apple juice products. View Full-Text

Item Type:Article
Business groups:Crop and Food Science
Keywords:antimicrobial activity; essential oils; nanoemulsion; Tasmannia lanceolata; Backhousia citriodora; Syzygium anisatum; Zygosaccharomyces bailii; apple juice
Subjects:Science > Biology > Biochemistry
Agriculture > Agriculture (General) > Agricultural chemistry. Agricultural chemicals
Plant culture > Horticulture. Horticultural crops
Plant culture > Fruit and fruit culture
Live Archive:20 Sep 2021 23:38
Last Modified:20 Sep 2021 23:38

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