Energy saving peanut/sunflower/soybean seed oil
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Characterization of extruded-expelled soybean flours. Iowa State University, Ames, IA, 50011. Extrusion-Based Oilseed Processing Methods. Chapter.
Food Science and Human Nutrition Publications
Low-Cost Oil-Processing Techniques, Tong Wang, Lawrence A. Johnson, and W. Wijeratne. PDF. Extrusion-Based Oilseed Processing Methods, Wilmot B. Wijeratne, Tong Wang, and Lawrence A. Johnson. Submissions from 2003 PDF. European food-safety concerns: From farm to market, D. Burden and Lawrence A. Johnson. PDF
The complex geometrical shape of the flow domain in extrusion processing and the intermeshing characteristic of the twin-screws require advanced meshing techniques. Two main approaches exist: The first meshing approach is based on the use of a quasi steady-state approach.
Protein Utilization, IA: Advanced Soybean Biorefineries
Because of escalating petroleum and food prices, new processes are needed to convert soybeans into fuel and biobased products as well as food and feed through advanced soybean biorefineries. Extracting flaked soybeans with the organic solvent hexane is the most cost-effective oil-recovery method, the first step in biorefining; but, hexane is flammable and a neurotoxic and
Conformational and Functional Properties of Soybean
The conformational and functional changes of soybean protein after a hybrid extrusion-hydrolysis method were evaluated. Three extrusion temperatures (60, 80, and 100°C) were used prior to enzymatic hydrolysis. The hydrolysis degrees, molecular weight profiles, solubilities, surface hydrophobicities, sulphydryl contents, disulfide bound, water holding capacity, emulsion, and foam properties of
Iowa Soy Specialties (Vinton, IA) and were stored at 9.5% moisture content on their premises until processing. The soy-beans used to study the effect of low moisture content on oilseed processing were dried to 6.7% moisture content using ambient air grain driers. Dehulled samples were processed using traditional methods of first cracking the
Engineering for food safety and quality IOWA STATE
Project Methods For the successful development of innovative processing technologies and approaches, from concept to commercialization, that produce safe quality foods, several approaches will be used. Engineering parameters will be determined in both gaseous and liquid systems to describe, model, and ensure a safe quality food supply.
Agriculture is the most important industry in Iowa. Current low prices of commodity crops, caused by their overabundance, limits economic development. Adding value to agricultural crops grown in Iowa will promote economic development within the state and the Midwest. Value can be achieved by developing new food and non-food applications for these crops, by altering components of the crops
- What types of extruders are used in oilseed processing?
- Tw o types of extruders have found applications in the oilseed processing industry. The first type is the class of extruders called expanders. The general design of the flights. This design, derived from scre w presses, was invented in 1963 (8). Anderson International of Cleveland, Ohio. Specific applications to oilseed process-
- What was the next development in oilseed extraction technology?
- The next development in oilseed extraction technology w as hydraulic pressing devices. High-oil–bearing seeds were dry heated in open pans or in steam-jacketed vessels. pressure. Both of these methods were batch systems and labor intensive.
- What is the technology of oil separation?
- oil and protein meal. The technology of oil separation has evolv ed with the progres- e xtensive commercial agricultural enterprise. During the same period, the technol- methods and to chemical methods using organic solvents. T oday, solvent extraction using hexanes is the method of choice for large-scale oil extraction from oilseeds.
- How does the E xtrusion system erate oil from subcellular compartmentalization?
- erate the oil from the subcellular compartmentalization. The shearing action of the e xtrusion system efficiently disrupts cell tissues. cal expelling of soybeans. They reported that when coarsely ground soybeans were the extrusion temperature was about 121–135°C. They pressed the hot extrudate in
- Which process is used in oil extraction?
- Two mechanical processes, extruding-expelling (EE) and screw-pressing methods are also used separately or in combination for the extraction of oil (Wijeratne et al., 2004). The extruding process involves shearing, compressing and heating of the flakes where heat is provided only by the dissipation of the mechanical energy. ... ...
- How are barrel segments cured in a dry extruder?
- The barrel segments are se- cured with clamps. Unlike most other extruders, the barrel segments in the dry extruder are not jacketed because all heat of cooking is generated internally by friction.
