Abstract
The author estimated the vitamin C content of canned or bottled products of strawberry jam, by 2, 6-dichlorophenolindophenol titration and obtained the following results: (I) The vitamin C content of dolestic products of bottled jam were 18.90-6.15, average 12.87mg%, (II) and canned one were 12.83-3.08, average 7.63mg%. (III) The vitamin C contained in imported products of bottled jam were 9.94-3.73 average 6.75mg%. (IV) Seven products saled by measure were found to contain 8.28-5.11, average 5.79mg%.
