Pectic substances with varying methoxyl content and process therefor

摘要: This invention is directed to a process for the production of pectic substances having methoxyl content about 2 12% from bearing comprising combining naturally occurring pectin and source calcium ions at pH range 3 8 temporarily immobilize fix said cause release superfluous sugar soluble solids containing liquors juices while achieving simultaneous controlled, IN SITU, demethoxylation pectins; subsequently extracting separating by adding an oxalic acid solution removing as insoluble oxalate salts.