用绿茶提取物给伏特加调味

Elene Sordia, Levan Eliashvili, G. Kvartskhava
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引用次数: 0

摘要

茶是世界上消费量仅次于水的饮料之一。它的味道、香气和其他好处都很突出。茶叶含有大量的酚类物质,具有很高的抗氧化性能。实验研究选用察连吉卡绿茶。选择去离子水、乙醇和乙醇与水的混合物(1:1的比例)三种类型的提取物。用Folin-Chocalteu试剂测定总酚含量,用FRAP法测定抗氧化活性。结果表明,乙醇和水乙醇提取物具有较高的多酚指数。然后,以高抗氧化提取物和酒精为原料,制备了两种强度为40O的饮料。比例为1:4。混合后测定所制饮料的抗氧化活性,持续一周观察定量变化。此外,绿茶提取物给伏特加带来了不同的感官特性:根据提取物的不同,颜色、香气和味道都发生了变化。
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Flavoring Vodka Using Green Tea Extract
Tea is one of the most consumed beverages, second only to water worldwide. It stands out for its taste, aroma, and other benefits. Tea contains large amounts of phenolic substances with high antioxidant properties. Tsalenjikha green tea was selected for the experimental study. Three types of extracts were chosen: deionized water, ethanol and a mixture of ethanol and water (1:1 ratio). The total phenolic content was determined by the Folin-Chocalteu reagent and antioxidant activity by the FRAP method. The results indicate a high polyphenolic index in ethanol and water-ethanol extract. After that, two types of beverages were made by high antioxidant extracts and alcohol with strength 40O. The ratio was 1:4. After mixing, the antioxidant activity was determined in the prepared beverage and the observation of quantitative change continued for a week. Additionally, green tea extract gave different organoleptic properties to Vodka: changed color, aroma and taste according to the extracts.
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