Alum tanning process for edible collagen casing

Details Alum tanning process for edible collagen casing Alum tanning process for edible collagen casing

1975-11-03

1976-09-21

Monacell, A. Louis

Food or edible material: processes, compositions, and products

Coating of nondry food other than animal flesh by a base...

426140, 426277, 426278, 264202, A22C 1300

Patent

active

039820319

ABSTRACT:
An improved process for tanning edible collagen food casings wherein the coagulated and washed collagen casing is exposed to a tanning bath which is free of aluminum chelating reagents and contains a mixture of aluminum ammonium sulfate, as A1NH.sub.4 (SO.sub.4).sub.2. 12H.sub.2 O and monobasic aluminum sulfate (A10HSO.sub.4), the concentration of the aluminum ammonium sulfate in the bath being less than 3% by weight and the molar ratio of aluminum ammonium sulfate to monobasic aluminum sulfate being in the range of 1:2 to 2:1.

REFERENCES:
patent: 3123480 (1964-03-01), Lieberman
patent: 3151990 (1964-10-01), McKnight
patent: 3512997 (1970-05-01), Cohly et al.

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