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  • Title: Fumigation with essential oils improves sensory quality and enhanced antioxidant ability of shiitake mushroom (Lentinus edodes).
    Author: Jiang T, Luo Z, Ying T.
    Journal: Food Chem; 2015 Apr 01; 172():692-8. PubMed ID: 25442609.
    Abstract:
    Several naturally occurring essential oils were evaluated for their effectiveness in maintaining sensory quality and increasing antioxidant levels and activities in shiitake (Lentinus edodes) mushrooms. Freshly harvested mushrooms were fumigated with 5 μl l(-)(1) clove, cinnamaldehyde and thyme oils at 10 °C for 1.5h and the antioxidant activities determined using assays of H2O2 content, O2(-) production rate, DPPH, and ABTS radical scavenging activity. The results showed that the antioxidant activities of the mushrooms fumigated with cinnamaldehyde were significantly increased when compared to the controls. Moreover, cinnamaldehyde fumigation significantly delayed losses of phenolic compounds and enhanced flavonoid content. The essential oil fumigation treatment also increased the antioxidant enzyme activities of CAT, SOD, APX and GR throughout the storage periods. All the fumigation treatments were effective in retarding mushroom sensory deterioration. These results indicate that postharvest application of essential oil fumigation can extend the shelf life and enhance the antioxidant capacity of shiitake mushrooms.
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