期刊
FOOD CONTROL
卷 90, 期 -, 页码 172-179出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2018.03.001
关键词
Dragon fruit; Activated carbon; Peppermint oil; Antifungal
资金
- Thailand Research Fund (TRF) through the research and researcher for industries (RRI) [PHD58I0040]
- Timber Engineering of Krabi CO.,LTD
- Research Centre of Excellent in Innovation of Essential Oil, Walailak University
Dragon fruit (Hylocereus undatus) is a short shelf-life, non-climacteric fruit which can be easily destroyed by mold growth during storage time. This study investigated the use of peppermint oil as an alternative method to inhibit surface mould and prolong the shelf-life of dragon fruit during storage. Peppermint oil adsorbed activated carbon at different concentrations (100-1000 mu L L-1) was placed with the dragon fruit in the storage box (1 L) at 25 +/- 2 degrees C and 75 +/- 5%RH for 21 days. The effect of peppermint oil adsorbed activated carbon on antifungal activity and quality of dragon fruit were evaluated. It was found that peppermint oil adsorbed activated carbon at 700 mu L L-1 could provide 100% inhibition of surface mould and decay fungi for more than 14 days of storage (control start decayed at day 7). In addition, essential oil vapour maintained a more firm fruit, greenness of the bract, titratable acid value and total phenolic content after 21 days in comparison to the control. The possible mode of action was demonstrated by gas chromatography-mass spectrometry (GC-MS) analysis to involve the release of menthol from peppermint oil activated carbon, which then interacts with other compounds to exhibit antifungal activity. (C) 2018 Elsevier Ltd. All rights reserved.
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