PURPOSE: To efficiently obtain a transparent fruit juice without bitter and unpleasant taste, by adding a calcium compound to a pressed juice residue of a fruit, pressing the residue and subjecting the resultant juice to ultrafiltration and ion exchange type electrodialysis treatment.
CONSTITUTION: A calcium compound, e.g. calcium hydroxide, etc., is added to a pressed juice residue of a fruit, e.g. mandarin orange (Citrus spp.), apple (Malus spp.), grape (Vitis spp.), etc., and the residue is pressed to give a juice, which is then subjected to ultrafiltration treatment, treatment with an ion exchange membrane type electrodialysis apparatus and desalted to afford the aimed fruit juice. An electrolyte solution having a reduced pH by adding an acid is preferably used in a concentration chamber of the above-mentioned electrodialysis apparatus.
FUKUMOTO HARUJI
SANO KAZUO
OGAWA HIROSHI
MIYAMOTO HITOSHI
WATABE TADAHIRO
TADANOBU HIDEAKI
KUBOTA SATOO
SHUDO MASAHIKO
| JPS6122942B2 | 1986-06-03 | |||
| JPS59143574A | 1984-08-17 | |||
| JPS603820B2 | 1985-01-30 |