Effect of ultrasonic treatment on phenolic compounds, colour and antioxidant activity of black rice wine
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(1. School of Food Engineering and Nutrition Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China; 2. Shaanxi Crested Ibis rice wine Co., Ltd., Yangxian, Shaanxi 723300, China)

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    Abstract:

    The effects of ultrasound irradiation were studied on the phenolic compounds, color and hydroxyl radical scavenging ability of black rice wine. The results showed that the total content of phenolic, flavonoids, anthocyanins and the scavenging capacity of hydroxyl radical for the black rice wine decreased after ultrasonic treatment, while the brightness (L*), redness (a*) and yellowness (b*) of wine color had some certain increasing. Furthermore, the total anthocyanins content highly correlated with the color of a* in the black rice wine under the ultrasound irradiation, which suggests that the total anthocyanins may contribute to the redness of the black rice wine. In addition, the scavenging ability on hydroxyl radical was in accordance with the changes of flavonoids and anthocyanins for the black rice wine. Moreover, some of the parameters in the ultrasonically treated wine coincide with the changing trend of the wine aged by convention method, suggesting that ultrasound can accelerate the ageing of black rice wine in a certain extent.

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张清安,史芳芳,王袭,等.超声波处理对黑米酒中酚类物质、颜色及抗氧化性的影响[J].食品与机械英文版,2016,32(12):1-6.

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  • Online: March 09,2023
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