A METHOD FOR PREPARATION OF AN EFFERVESCENT TABLET COMPRISING AN EXTRACT OF BLUEBERRY

摘要

The present invention relates to a method for preparing an effervescent tablet containing a blueberry fruit extract and an effervescent blueberry fruit extract tablet prepared by this preparation method. The preparation method according to the present invention includes: a blueberry fruit extract preparation step including: an extraction process in which an extraction liquid is prepared by 1,000 parts by weight of 60% ethanol aqueous solution being added with respect to 100 parts by weight of fresh blueberry fruit on a weight basis and extraction being performed for two hours at 45 degrees Celsius; a concentration process in which concentrate is prepared through depressurization and concentration of the extraction liquid at 30 degrees Celsius to 45 degrees Celsius; and a drying process in which a blueberry extract is prepared through freeze drying of the concentrate at 20 degrees Celsius below zero; a blueberry fruit extract powderization step in which 25 parts by weight of dextrin is added with respect to 100 parts by weight of the blueberry fruit extract prepared in the blueberry fruit extract preparation step on a weight basis and powderization is performed during mixing by the use of a mixer; a mixing step in which a mixture is prepared through mixing of 12.5 parts by weight of the blueberry fruit extract powder, 42 parts by weight of sodium hydrogen carbonate, 23 parts by weight of citric acid, 8 parts by weight of maltitol, and 14.5 parts by weight of additive on a parts by weight basis; and a tableting step in which the pill-shaped effervescent blueberry fruit extract tablet is prepared through tableting of the mixture by the use of a tableting machine.