Notes

Snack Food Extruder Machine
No. 2,928,821 describes a method of producing a protein-lipid complex from vegetable material. Chayen states that the popular temperature of the liquid fed into the hammermill is about 45°-55° F. food extruder can happen under atmospheric strain, or in the presence of a vacuum to withdraw the unstable parts responsive for the beany taste of soy bean merchandise.
Alternatively, the comminution can be done under strain adopted by venting to release undesirable flavors and odors. Comminution under pressure has the advantage of increasing the boiling level of the extraction resolution, thereby allowing more severe therapy in the course of the comminution step. This process can be utilized with dehulled soy beans or deskinned peanuts, with or without presoaking. This course of additionally can be used with whole soy beans and complete peanuts which haven't been dehulled or presoaked, thereby eliminating the price of presoaking or dehulling associated with different processes.
The remainder of the process contains steps for concentrating and stabilizing the extracted carbohydrates, lipids and proteins in the extraction resolution. This involves clarifying the neutralized comminuted oilseed/extraction solution mixture within the clarification stage 14. Clarification could be carried out before neutralization. A centrifuge is useful for accomplishing the clarification step. Sludge, which consists primarily of the fibrous component of the oilseed is the byproduct of the clarification step.
A process as claimed in claim 17 whereby the acidic resolution accommodates hydrochloric acid. A course of as claimed in declare 1 wherein the acidic answer incorporates hydrochloric acid. Analysis of the whole soy bean feed yielded a 21.6% lipid content material utilizing the A.O.C.S. method and 23.6% lipid content utilizing the acid hydrolysis methodology. This signifies that only about 8% of the feed to the process is sufficiently encapsulated to resist chemical and enzymatic assault throughout storage. To alkalize the extraction answer any non-toxic chemical which does not irreversibly react with the proteins, carbohydrates, or lipids within the source oilseed could also be employed. Such materials include sodium and potassium hydroxide, and sodium and potassium carbonate.
However, there are residual extractible lipids, proteins and carbohydrates within the sludge. Therefore the yield of the general course of may be improved by recycling a portion of the sludge to the comminution stage 10 or, as proven within the drawing, to the extraction stage 12 for further extraction. A full fat, steady meals materials derived from oilseeds is ready by comminuting oilseeds within the presence of a sizzling alkaline extraction resolution, and then allowing the comminuted seeds to soak within the resolution. After neutralizing the solution, the extract is clarified and heated to destroy anti-nutritional elements, concentrated, and spray dried. Nearly the entire soluble portion of the soy bean is recovered, with primarily only the fiber being discarded.
food extruder -free flakes are prepared from whole soy beans by dehulling, rolling and hydrocarbon solvent extracting the soy beans. The extracted flakes are then steamed and heated to remove traces of solvent. The flakes are often saved until needed for extracting the protein.
Alternatively, the sludge can be additional extracted in a quantity of recycle stages where each stage contains the steps of soaking the sludge in water after which clarifying the sludge/water mixture. Because biscuit production line and Hackler process requires that the soy bean feed be both presoaked or dehulled, a facility using this process would have additional operating and capital prices. Improved yield may be achieved by extracting with water residual meals values which may be in the sludge. Malnutrition as a outcome of protein deficiency is a serious problem in lots of parts of the world.
Generally the higher the temperature used, the less residence time required within the heating stage. For example, the extract could be maintained at about 285° F for about 15 seconds within the heating stage to destroy anti-nutritional elements. This step is most likely not required for every type of oilseeds.
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