Contents of glucose, fructose, citric acid, tartaric acid, malic acid, and chlorogenic
acid in juices ranked in descending order as follows: juice from fruits frozen at 20 C > juice from fruits frozen at 50 C > juice from nonfrozen fruits. These results suggest that freezing pretreatment affected the quality of osmotically extracted juice and that slow freezing could be a more useful method in osmotically extracting fruit juice.