Food or edible material: processes – compositions – and products – Shaping by extruding into chemically reactive fluid – Forming edible packaging material – e.g. – casing – etc.
Patent
1976-03-22
1976-11-23
Golian, Joseph M.
Food or edible material: processes, compositions, and products
Shaping by extruding into chemically reactive fluid
Forming edible packaging material, e.g., casing, etc.
426140, A22C 1300
Patent
active
039937909
ABSTRACT:
Aqueous dispersions of swollen hide collagen suitable for extrusion into tubular food casings are prepared by dispersing finely comminuted collagen particles at a concentration of 2-8% by weight in water. Swelling of the collagen particles is effected by adjusting the pH of the dispersion to between 2.5 to 3.7 with a mixture of a strong acid having a dissociation constant in water at 25.degree. C of greater than 1 .times. 10.sup.-.sup.3, e.g., sulfuric acid, and a weak acid having a dissociation constant in water at 25.degree. C between 1 .times. 10.sup.-.sup.6 to 1 .times. 10.sup.-.sup.3, e.g., lactic acid.
REFERENCES:
patent: 3425846 (1969-02-01), Talty
patent: 3821439 (1974-06-01), Cohly
patent: 3860728 (1975-01-01), Tanner et al.
patent: 3894158 (1975-07-01), Miller
patent: 3930036 (1975-12-01), Burke
patent: 3932677 (1976-01-01), Burke
Dittmann William A.
Golian Joseph M.
Kerwin Joseph E.
Shapiro Paul
Tee-Pak Inc.
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