US3974294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of protein-containing food additives
Assignee: Agfa Gevaert AG
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Filing: 1975-01-31
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Granted: 1976-08-10
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Expires: 1995-01-31
Abstract
Abstract Easily wettable, water-soluble protein products having a flocculation temperature of above 80°C and having no bitter taste can be prepared from natural protein sources by a hydrolytic, enzymatic treatment.
Inventors
- 👤 Dieter Schwille
- 👤 Hermann Seiz
- 👤 Ewald Sorg
- 👤 Udo Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:18
CPC Classifications
A; A23; A23J; A23J3/00; A23J3/30; A23J3/32; A23J3/34; A23C; A23C21/00; A23C21/02; A23J3/341; A23J3/343; A23J3/344
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
131 words
In a process for the preparation of easily wettable water-soluble products of natural proteins which have no bitter taste by enzymatic degradation of natural proteins, the improvement according to which protein selected from the group of protein sources consisting of whey, milk, soya, maize, potatoes, wheat, oilseed, nut kernal, sunflower kernal or egg is subjected to hydrolysis in an aqueous suspension in the presence of gelatin, the mixture of said protein and gelatin being in a weight ratio of 10:1 to 1:10 and which said hydrolysis is accomplished by proteolytic enzymes of low activity from the group of pancreatic enzymes at a temperature between 40 and 60° and an optimum pH value for the activity of the proteolytic enzyme and wherein said water soluble product has a flocculation temperature above 80°C.
Claim 2
Dependent Claim
131 words
In a process for the preparation of easily wettable water-soluble products of natural proteins which have no bitter taste by enzymatic degradation of natural proteins, the improvement according to which protein selected from the group of protein sources consisting of whey, milk, soya, maize, potatoes, wheat, oilseed, nut kernal, sunflower kernal or egg is subjected to hydrolysis in an aqueous suspension in the presence of gelatin, the mixture of said protein and gelatin being in a weight ratio of 10:1 to 1:10 and which said hydrolysis is accomplished by proteolytic enzymes of low activity from the group of pancreatic enzymes at a temperature between 40 and 60° and an optimum pH value for the activity of the proteolytic enzyme and wherein said water soluble product has a flocculation temperature above 80°C.
Claim 3
Dependent Claim
21 words
The process according to claim 1, characterized in that hydrolysis takes place at a pH value of between 7.5 and 10.
Claim 4
Dependent Claim
17 words
The process according to claim 1, characterized in that proteolytic enzymes from the trypsin group are used.
Claim 5
Dependent Claim
21 words
The process according to claim 3, characterized in that mixtures of pancreatic enzymes, which contain proteinase, lipase and amylase are used.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |