关键词: 甘草, 红枣, 枸杞, 保健饮料, 稳定性

Abstract: With liquorice,jujube and Chinese wolfberry as raw materials,a nutrient-rich health drink with natrual role was deveolped.The production process of the health drink and the key operation points were studied.liquorice,jujube and Chinese wolfberry were extracted at a certain temperature by heat preservation extraction method,and in the extraction process 0.02% ascorbic acid was added to preserve its color and to maintain the original color products.Effects of several factors on flavor and quality were studied,and by orthogonal test the optimum compound beverage formula was confirmed as following:ratio of liquorice juice to jujube juice to Chinese wolfberry juice 1:3:2.white sugr addition amount 9%,citric acid addition amount 0.2% and amount of water added of total amount of liquorice juice,jujube juice and juice Chinese wolfberry.On this basis the stability of the beverage was also studied.By single factor test,the optimum addition amounts of stabilizer 0.1% CMC-Na and 0.4% of xanthan gum were confirmed.Determination results of the physical and chemical products indicted that microbial indicators of the beverage could meet consumption standards.

Key words: liquorice, jujube, Chinese wolfberry, health beverages, stability