矫玉翠，朱晓红

（上海康识食品科技有限公司，上海 201103）

摘要：为了对不同品牌不同产地的无糖绿茶饮料中滋味物质进行品评，从市场上收集了3 个产地9 个品牌的13种不同的绿茶饮料。对其茶多酚类物质、氨基酸类物质、咖啡因、可溶性固形物、pH以及感官评价进行分析研究。结果表明：不同的绿茶产品在主要滋味物质、pH以及感官评分方面均存在显著差异，且同一品牌不同产地的绿茶饮料在感官评分上也存在差异。这13 个不同的绿茶饮料其茶多酚质量浓度符合国家标准的有11 个，咖啡因质量浓度符合国家标准的有12个。

关键词：绿茶；滋味物质；咖啡因；茶氨酸

Analysis of Main Components and Physicochemical Properties of Different Sugar-free Green Tea Beverages

JIAO Yu-cui，ZHU Xiao-hong

（Kangshi Food Technology Limited Company，Shanghai 201103，China）

Abstract: In order to evaluate the taste substances in sugar- free green tea drinks of different brands and differentproducing areas，13 kinds of green tea drinks of 9 brands from 3 producing areas were collected from the market.The tea polyphenols，amino acids，caffeine，soluble solids，pH and sensory evaluation were studied. The resultsshowed that there were significant differences in the main taste substances，pH and sensory scores of different greentea products，and there were also differences in the sensory scores of green tea drinks from different regions of thesame brand. Among the 13 different green tea drinks，11 of them met the national standard for tea polyphenols and12 of them met the national standard for caffeine.

Key words: green tea；taste substances；caffeine；theanine

中图分类号：TS255.4    文献标志码：A    文章编号：1007-7871（2021）02-0049-05