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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 18 (1983), S. 0 
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Processing of two species of lupin seed by an aqueous extraction process has been explored and the resulting products have been examined. It has been shown that aqueous processing is an effective method for the separation of oil, protein and alkaloids of lupin seeds.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Maleylation, succinylation, dimethylglutarylation, and sodium sulfite treatment of cottonseed flour increased protein extraction from the flour in suspension, and precipitated more protein in the extract at pH 4.0, compared to unmodified flour processed through conventional methods. However, acetylation decreased protein extraction and precipitation at this pH. Protein isolates from succinylated, maleylated and dimethylglutarylated flours were highly water-soluble, and did not coagulate by heating. Acetylation decreased heat coagulability of the resulting protein isolate, but did not affect water solubility of the isolate. Treatment of the flour with sodium sulfite markedly increased heat coagulability of the isolate, and decreased its solubility. Oil absorption capacity of the isolate was increased slightly by dimethylglutarylation, but other treatments did not affect the capacity significantly. Sensitivity of proteins in isolates to calcium ions was not affected by acylation or sodium sulfite treatment of the flour.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Ultrafiltration (UF) membranes were used to co-process soy protein extract and skim milk seeking to produce soy-milk food ingredients with protein efficiency ratios (PERs) of 2.5 or higher. Extracts from two commercial soy flours and ground soybeans were blended with commercial skim milk before and after ultrafiltration. Protein blends of 67% soy-33% milk, 50% soy-50% milk and 33% soy-67% milk were processed. Soy-milk products possessed high nitrogen solubility and light color. Lysine contents of soy-milk products ranged from 7.34–6.82%. PERs ranged from 2.36 for 33% soy-67% milk to 1.47 for UF soy isolate without milk. Soy and milk proteins exhibited some synergistic effects, but none of the soy-milk PERs reached the 2.5 level.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A rotating chamber dry roaster using pre-heated ceramic beads as heat transfer media was used to roast navy beans. Processing conditions were: beads temperature, 240 and 270°C; bean-to-bead ratio, 1/10 and 1/15 and contact times of 1 and 2 min. Product temperatures achieved ranged from 92–125°C for the eight runs. Heat transfer coefficients varied from 3.6–23.4 W/(m2) (°C). Roasted products showed reduced water-soluble nitrogen content and gel forming capacity, increased water-holding capacity and cold paste viscosities, and no changes in available lysine and degree of starch damage. Residual trypsin inhibitor (TIA) and hemagglutinin activity varied from 92 to 22%, and 48 to 1%, respectively. A correlation was found to exist between nitrogen solubility index and TIA of products. Roasting caused fracture and separation of hulls, and facilitated their removal.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: In sequentially extracting proteins from defatted glandless cottonseed flour with water, salt (5% NaCl) and alkali (0.2% NaOH) solutions, high concentrations of yellow pigments resulted in watersoluble isolate (WSI), while much of the dark-brown pigments and phosphorus were found in alkali-soluble isolate (ASI) and small amounts of pigments in salt-soluble isolate (SSI). The major protein fractions of WSI and SSI contained small amounts of sugar and pigments and no phosphorus, while that of ASI contained high levels of bound sugar, dark-brown pigments and phosphorus. Yellow pigments were preferentially bound to small molecular weight proteins, but dark-brown pigments were bound to large protein molecules.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Frankfurter-type sausages were made in which 5%, 10%, or 15% of the meat was replaced with the following cottonseed-derived protein products: genetically glandless cottonseed flour (CF); liquid cyclone processed deglanded cottonseed flour (LCPC); genetically glandless cottonseed storage protein isolate (CI). All-meat controls (0% cottonseed protein additive) were formulated at each replacement level with fat contents equivalent to those of the cottonseed protein-added frankfurters. Compared to all-meat controls, frankfurters made with increasing levels of cottonseed proteins generally had higher pH values, less cured color, less firmness of skin, softer texture, and were less desirable as judged by sensory panels. At the 10% and 15% replacement levels, frankfurters containing LCPC, had significantly (P 〈 0.05) lower scores for external and internal visual color, overall satisfaction and bioyield and rupture force values than did Cl-added frankfurters. Simple correlation coefficients suggest that significantly (P 〈 0.05) correlated responses exist within and across replacement levels between pH and sensory panel scores, Instron values and visual color scores.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Two relatively new protein isolation techniques (the Aqueous Extraction Process and the Membrane Isolation Process) were combined to obtain a single isolation procedure to produce protein and oil food products from undefatted soybeans. Three lots of soybeans were processed using aqueous extraction, centrifugation and industrial ultrafiltration membranes to obtain either a full-fat, low-fat or intermediate-fat product and an oil cream. Proximate and amino acid analyses, nitrogen solubility profiles, and storage tests were made on spray dried products. Mean membrane permeation rates achieved ranged from 20–42.6 gfd. Protein products possessed high nitrogen solubilities below pH 3.5 and above pH 7, and were desirably light in collor.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Two significant protein isolation techniques (the Aqueous Extraction Process and the Membrane Isolation Process) were combined to obtain a new processing strategy for producing oil and protein food products from raw peanuts. Three varieties of peanuts were processed to obtain either a low-fat isolate or a full-fat product and an oil cream using aqueous extraction, centrifugation and industrial ultrafiltration membranes. Proximate and amino acid analyses and nitrogen solubility profiles were made on spray-dried products. Mean membrane permeation rates achieved exceeded 70 gallons per sq ft per day (gfd). Protein products possessed high nitrogen solubility, a bland taste, and were desirably light in color.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 49 (1984), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Pilot plant air classification or raw beans (Phaseolus vulgaris) produced high-protein fractions (HPF) containing 51.4% protein and high-starch fractions (HSF) having about 50% starch. Particle size distribution analyses and scanning electron micrographs confinned the fractionation of starchy and proteinaceous materials. Extruded corn/HSF blends had lower water absorption and water solubility indices, higher protein content, and a better balanced amino acid pattern than pure corn extrudates. Extrusion-texturized vegetable proteins obtained by substituting HPF for defatted soy flour at levels of 10, 20 and 30% had similar functional properties as the 100% texturized soy. Air classification followed by extrusion-cooking is a feasible alternative for dry-processing of beans into products for human consumption.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Eight Navy bean samples, roasted between 92 and 125°C in a particle-to-particle heat exchanger, were ground to produce whole bean and hull flours. Dehulled bean flours were also separated into high protein (HPF) and high-starch fractions (HSF) by air classification. Whole bean flours contained 1.92% fat and 25.8% protein on the average. Hull flours contained between 31.2 and 50.2% dietary fiber, of which approximately 60% was crude fiber. Dehulled bean flour containing 26.8% protein was fractionated into HSF and HPF with average protein contents of 15.6 and 43.1%, respectively. Greater protein shift may be further accomplished by finer grinding and adjustment of the cut point. Residual trypsin inhibitor activity of HPF s ranged from 25–108 TIA/mg protein, down from 116 units in the raw control HPF. Hemagglutinins were inactivated from 110 HA units/mg to values ranging from 2.4–105 HA units/mg.
    Type of Medium: Electronic Resource
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