Methods of making wheat protein isolates and their modified forms
View Patent ↗Process equipment for the separation of gluten from wheat starch including gluten process equipment configured to process gluten after the gluten is initially separated from a starch, the gluten processing equipment having a dewatering press configured to dewater gluten and modified gluten process equipment including at least one component selected from the group of a high pressure water wash system located upstream of the dewatering press, a kneader located upstream of the dewatering press, a homogenizer located upstream of the dewatering press, a dispersion tank configured to precipitate fines downstream of the dewatering press, a solids-ejecting centrifuge downstream, and combinations thereof.
1. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture by a separating apparatus while discharging a stream of high pressure wash water into the separating apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the separating apparatus;
c. dewatering said gluten in dewatering apparatus;
d. dispersing said gluten; and
e. drying said dispersed gluten.
2. The process of claim 1 , wherein said gluten is separated by centrifuge after said dispersing step and before said drying step.
3. The process of claim 1 , wherein said gluten is dewatered in dewatering apparatus after said dispersing step and before said drying step.
4. The process of claim 1 , wherein a reducing agent is introduced in the dispersing step.
5. The process of claim 4 , wherein the reducing agent is a bisulfite composition.
6. The process of claim 1 , wherein lactic acid is introduced in the dispersing step.
7. The process of claim 1 , wherein ammonia is introduced in the dispersing step.
8. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture with separating apparatus while discharging a stream of high pressure wash water into the separating apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the separating apparatus;
c. dewatering said gluten with dewatering apparatus;
d. homogenizing said gluten;
e. hydroheating said gluten; and
f. drying said homogenized and hydroheated gluten.
9. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture with separating apparatus;
c. dewatering said gluten with dewatering apparatus while discharging a stream of high pressure wash water into the dewatering apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the dewatering apparatus;
d. homogenizing said gluten;
e. hydroheatinq said gluten; and
f. drying said homogenized and hydroheated gluten.
10. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture with separating apparatus;
c. dewatering said gluten with dewatering apparatus while discharging a stream of high pressure wash water into the dewatering apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the dewatering apparatus;
d. homogenizing said gluten;
e. hydroheating said gluten; and
f. drying said homogenized and hydroheated gluten;
g. wherein said gluten is rotary screened and dewatered after said homogenizing step and before said drying step.
11. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour and water;
b. separating gluten from said mixture using separation apparatus while discharging a stream of high pressure wash water into the separating apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the separation apparatus;
c. reacting said gluten with acid;
d. separating said gluten by centrifuge; and
e. drying said separated gluten.
12. The process of claim 11 , wherein the flour is wheat flour.
13. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour and water;
b. separating gluten from the mixture in separating apparatus;
c. dewatering said gluten in first dewatering apparatus while discharging a stream of high pressure wash water into the dewatering apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the dewatering apparatus;
d. mixing said gluten;
e. dewatering said gluten in second dewatering apparatus; and
f. drying said dewatered gluten.
14. The process of claim 13 , wherein high pressure wash water is introduced in the separating step while discharging a stream of high pressure wash water into the separating apparatus from a nozzle under a pressure of 80-100 psi within 12-18 inches of the separation apparatus.
15. The process of claim 13 , wherein a stream of high pressure wash water exiting a nozzle under a pressure of 80-100 psi is discharged within 12-18 inches of the second dewatering apparatus.
16. The process of claim 13 , wherein the first step of dewatering is followed by homogenizing.
17. The process of claim 13 , wherein the first step of dewatering is followed by kneading.
18. The process of claim 17 , wherein the second dewatering of said gluten comprises the following steps:
a. dewatering said gluten by screen; and
b. dewatering said gluten by press.
19. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water in a mixing apparatus; and
b. separating gluten from the mixture in the mixing apparatus with a stream of high pressure wash water exiting a nozzle directed into the mixing apparatus from a distance of 12-18 inches under a pressure of 80-100 psi is discharged within 12-18 inches of the mixing apparatus.
20. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water; and
b. dewatering gluten in dewatering apparatus with a stream of high pressure wash water exiting a nozzle under a pressure of 80-100 psi is discharged within 12-18 inches of the dewatering apparatus.
21. The process of claim 20 , wherein the flour is wheat flour.
22. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture using high pressure wash water at 80-100 psi;
c. dewatering said gluten;
d. dispersing said gluten; and
e. drying said dispersed gluten.
23. A process for producing wheat protein isolate comprising the following steps:
a. mixing flour with water;
b. separating gluten from the mixture using high pressure wash water at 80-100 psi;
c. dewatering said gluten in a first dewatering step;
d. mixing said gluten;
e. dewatering said gluten in a second dewatering step; and
f. drying said dewatered gluten.