Notes

Snack Food Extruder Machine
A process as claimed in claim 17 whereby the comminuted oilseed is soaked in the extraction solution for from about three to about 7 minutes. A course of as claimed in declare 21 comprising the additional step of dehulling the soy beans earlier than comminuting. A course of as claimed in claim 1 whereby the comminuted oilseed is soaked in the extraction solution for from about three to about 7 minutes. A process as claimed in declare 5 comprising the additional step of dehulling the soy beans before comminuting. If necessary, the clear extract from the clarification stage 14 may be fed to the heating stage sixteen to destroy any anti-nutritional components which weren't destroyed by the extraction answer. This is effected by sustaining the clear extract at a sufficiently excessive temperature for a enough time to destroy anti-nutritional elements.
Snack food extruder machine could be described as an enrobing or an encapsulating effect. As used herein the time period "sure lipids" refers to the share of the whole lipids in the product which aren't extracted by typical petroleum ether methods. Total lipids are determined by acid hydrolyzing the product earlier than conducting the standard ether extraction. Sufficient extraction solution having a sufficiently high pH to yield an alkaline oilseed/extraction answer combination, i.e., a mixture having a pH greater than 7.0, is provided.
DESCRIPTION OF THE INVENTION Referring to the FIGURE, an oilseed is comminuted in a comminution stage 10 in the presence of an extraction solution. Furthermore, there may be a residual off-flavor as a end result of hydrocarbon solvent. In addition, using hydrocarbon solvents results in processing difficulties because of the flammable and explosive nature of the solvents and air air pollution problems related to hydrocarbons. A course of as claimed in declare 38 wherein the comminuted oilseed/extraction answer combination has a pH from about 8.5 to about 9. A process as claimed in declare 38 wherein the comminuted oilseed/extraction answer combination has a pH from about eight to about 10. A process as claimed in declare 17 whereby the comminuted oilseed/extraction solution combination has a pH lower than about eleven.
However, there are residual extractible lipids, proteins and carbohydrates within the sludge. Therefore the yield of the overall course of may be improved by recycling a portion of the sludge to the comminution stage 10 or, as proven in the drawing, to the extraction stage 12 for further extraction. A full fats, secure meals materials derived from oilseeds is ready by comminuting oilseeds within the presence of a sizzling alkaline extraction solution, after which permitting the comminuted seeds to soak in the resolution. After neutralizing the solution, the extract is clarified and heated to destroy anti-nutritional factors, concentrated, and spray dried. Nearly the entire soluble portion of the soy bean is recovered, with primarily solely the fiber being discarded.
Although not certain by principle I imagine that the excessive stability of the product is because of the excessive percentage of certain lipids. It seems that the fat particles are encapsulated by a protein derivative throughout high speed comminution within the presence of the excessive temperature, high pH extraction answer. It seems that the alkali, somewhat than hydrolyzing the fats, reacts preferentially with the protein and, in effect, produces a protective colloid for the fat.
The most popular chemical is sodium hydroxide as a outcome of it is inexpensive and available. To this finish, much attention has been directed to soy beans and peanuts as potential protein sources. Ordinarily soy proteins are extracted from fat-free flakes.
Generally, the higher the pH of the extraction solution and thus the oilseed/extract resolution mixture, the upper the yields obtained from the oilseed. For instance, the yield increases from about sixty one to about 85% because the pH of the oilseed/extraction solution combination is increased from about 7 to about eleven when soy beans are used as the oilseed feed. However, at a pH of about 11 of the oilseed/extraction resolution mixture, the resultant product has a slight sulfide odor. Thus, the extraction answer is proscribed to having a pH as much as about 13, and extra ideally up to about eleven. Preferably the extraction resolution has a sufficiently high pH of a minimum of about 9.5 to yield an oilseed/extraction resolution combination having a pH from about eight to about 10, and more preferably from about 8.5 to about 9.
Also, this process is beneficial for blends of oilseeds. For instance, a mix containing soy beans and peanuts may be handled with this course of. A water dispersible food product derived from whole soy beans comprising lipids and proteins wherein a minimum of about 75% of the lipids are within the sure form and ready by the process of declare 19. EXAMPLE 1 Commercial grade complete soy beans had been fed to a Fitz mill at 3.three kilos per minute. The mill was operated with a # IA display screen, at an impact ahead place.
The Chayen process does overcome some of the disadvantages of the hydrocarbon extraction course of. snack machine from the hydrocarbons is eliminated. A product produced by the method of claim 19. As used herein, the term "comminution" refers to any excessive velocity strategy of measurement discount, together with, however not restricted to chopping, crushing, tearing, shredding, emulsifying and grinding by appropriate machinery.
A course of as claimed in claim 17 whereby the comminuted oilseed/extraction answer combination has a pH from about 8.5 to about 9. A process as claimed in declare 17 whereby the comminuted oilseed/extraction solution combination has a pH from about eight to about 10. A process as claimed in declare 1 whereby the comminuted oilseed/extraction solution combination has a pH from about 8.5 to about 9. A course of as claimed in declare 1 wherein the comminuted oilseed/extraction solution mixture has a pH from about 8 to about 10. A process as claimed in declare 1 whereby the extract is maintained at about 285° F for about 15 seconds. The clear extract was pumped via Mallory tubes and heated to 285° F for 15 seconds, and then cooled to 140° F.
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