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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 30 (1965), 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: Three protein components with peroxidase activity were separated from Ficus glabrata latex by chromatography on diethylaminoethyl cellulose at pH 7.0. Purification was aided by carboxymethyl cellulose adsorption and ammonium sulfate precipitation. These three components were identical to horse-radish peroxidase II with respect to molecular weights, absorption spectra, and activity-pH relationships. They differed markedly from horseradish peroxidase II with respect to isoelectric points [at pH 4.25–4.45 (acetate buffer), vs. pH 7.2]. They were more heat-stable than horse-radish peroxidase II. While one of the F. glabrata peroxidases had Vmax values similar to those of horse-radish peroxidase II on hydrogen peroxide and guaiacol, the other two F. glabrata peroxidases had quite different kinetic parameters. The three F. glabrata peroxidases differed in chromatographic, electrophoretic, heat stability, and kinetic properties (components B and C, vs. A), but all other properties measured were identical or similar for the three peroxidases.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), 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: California small white beans were soaked at different temperatures, in 10°C increments, from 20° C to 90°C, until maximum imbibition was achieved. Losses of total solids, N compounds, total sugars, oligosaccharides, Ca, Mg, and three water-soluble vitamins (thiamin, riboflavin and niacin) were measured and found to be very small at soaking temperatures up to 50°C. An increase in those losses of from three- to fourfold was found when the soaking temperature was raised to 60° C or above. Cooking rates followed a bell-shaped pattern with the peak, longest cooking time, being for beans soaked at 70°C and shortest cooking time for beans soaked at 90° C. Cooking rates corresponded closely to the amount of organic phosphate left in the beans after soaking at the different temperatures.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 35 (1970), 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: Grinding dry California Small White beans or Lee soybeans under acid conditions inhibited lipoxidase in the seeds and resulted in bland legume slurries and “milks.” Sensory evaluation and gas chromatography were used to determine the effect of processing method on flavor. Off-flavor development was suppressed at pH 3.85 and below; acidification to about pH 2.0 was necessary to obtain maximum protein extraction in the preparation of legume “milk.” Acceptable bland products were obtained from the slurries by neutralization after heating.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 33 (1968), 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
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 39 (1974), 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
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), 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: Treatment of apples, potatoes, and avocados with superoxide dismutase from bovine blood showed no observable differences in browning of diced or sliced tissues either by subjective observation or objective measurement. The same was found to be true for the reaction of purified tyrosinase from mushrooms with either L-tyrosine or 4-methylcatechol.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The conditions for the autolysis of stachyose, raffinose and phytic acid in California small white beans were determined. It was found that initially the beans contain about 3.7% stachyose, 0.4% raffinose and no detectable verbascose. Optimum conditions for autolysis of these sugars are pH 5 and 45–65°C. Approximately 30% of the sugars are hydrolyzed in 9 hr, 50% in 24 hr and 70% in 48 hr. Disappearance of the oligosaccharides is accompanied by corresponding increases in galactose and sucrose. Other changes occur during incubation, including the hydrolysis of phytic acid with the production of inorganic phosphate and inositol. Optimum conditions for the production of inorganic phosphate and inositol are pH 5 and 35–45°C. When fed to rats incubated preparations of beans produced less hydrogen than nonincubated preparations.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food biochemistry 1 (1977), S. 0 
    ISSN: 1745-4514
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Depolymerization of isolated plant polysaccharides by active forms of oxygen produced by the action of xanthine oxidase was measured by viscosity changes. With the use of enzymes, specific inhibitors, quenchers and scavengers of active oxygen species we found that the two forms responsible for the depolymerizations are hydroxyl radical and singlet oxygen. Both of those active forms are produced by the interaction of superoxide ion with hydrogen peroxide, the latter two being produced by xanthine oxidase.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food processing and preservation 5 (1981), S. 0 
    ISSN: 1745-4549
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Storage of dry beans under conditions of relatively high moisture and temperature increased the cooking time of the beans about 5-fold. Among the changes that occur in beans stored in this way, the reduction (about 65%) in phytic acid content was the best indicator of increased cooking time. Cooking times of various legumes studied correlated well with the ratio of % phytic acid/% Ca present in the beans. Soaking high moisture beans in a solution of either phytic acid or EDTA reduced cooking time to that of control beans. Cooking time of control beans soaked under the same conditions was reduced by between 1/3 and 1/2, depending on the solution used.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food processing and preservation 1 (1977), S. 0 
    ISSN: 1745-4549
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: California small white beans were ground in a hammer-mill followed by milling in a turbo-mill and then air classified at 25 m3/hr air velocity. This yielded a fine fraction containing about 44% protein and a coarse fraction containing most of the bean starch. The hulls being dense were collected with the coarse fraction resulting in a low fiber protein concentrate in the fine fraction. The fine fraction, in addition to having double the protein concentration of the starting material, also has double the concentration of fat, P, S, and K and one and a half times the concentration of sugars and ash but only a third of the fiber concentration.
    Type of Medium: Electronic Resource
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