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Digitale Medien

Investigation of Total Dietary Fiber Methodology in the Characterization of the Carbohydrate Fraction of Canned Pears (1985)

DUDEK, J. A. ; BERMAN, S. C. ; JOHNSON, D. ; [weitere]

Oxford, UK : Blackwell Publishing Ltd

Journal of food science 50 (1985), S. 0

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ISSN: 1750-3841

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Four different packs of canned pears were analyzed for simple sugars and soluble and insoluble fibers. The sum of these components compared favorably with the carbohydrate value obtained from the proximate constituents. A total dietary fiber (TDF) method was investigated and the results were compared to the sum of the neutral detergent fiber and pectin components. Results indicate that this method has potential for estimating total fiber content of fruits,

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1365-2621.1985.tb13817.x

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Digitale Medien

Nutrient Composition of Historical Canned Food Samples (1983)

DUDEK, J. A. ; ELKINS, E. R.

Oxford, UK : Blackwell Publishing Ltd

Journal of food science 48 (1983), S. 0

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ISSN: 1750-3841

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Several historical food samples were analyzed for nutrient and mineral composition. The samples included a 40-yr old can of sweet corn, relish found aboard the sunken U.S.S. Monitor and seven samples recovered from the sunken steamboat Bertrand. The nutrient content of the canned corn compared favorably with reported values, with the exception of lower amounts of ascorbic acid. Significant levels of riboflavin, niacin, carotene and protein were found in the pickle relish. The samples recovered from the Bertrand contained calcium levels comparable to today's products, but the sodium levels were higher and potassium levels were lower.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1365-2621.1983.tb10815.x

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Digitale Medien

Fiber Contents of Selected Raw and Processed Vegetables, Fruits and Fruit Juices as Served (1983)

ZYREN, J. ; ELKINS, E. R. ; DUDEK, J. A. ; [weitere]

Oxford, UK : Blackwell Publishing Ltd

Journal of food science 48 (1983), S. 0

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ISSN: 1750-3841

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Pectin and neutral detergent fiber (NDF) contents were investigated for commercially processed foods as served: 10 vegetables, 10 fruits, and 8 fruit juices. Fiber content of fruits ranged from 0.7%−4.5% NDF and 0.28%−0.48% pectin; juices ranged from 0.1%−0.22% NDF and 0.2%−0.39% pectin. Fiber in frozen, canned and cooked vegetables ranged from 1%−4.4% NDF and 0.5%−1% pectin. In general, there is no evidence that any of the food preparation methods was superior. There appears to be no great loss of fiber when food is prepared by typical home methods or commercial processing.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1365-2621.1983.tb10798.x

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Digitale Medien

Linear thermal expansion coefficients for an epoxy/glass matte-insulated solid cast transformer (1988)

Dudek, J. A. ; Kargol, J. A.

Springer

International journal of thermophysics 9 (1988), S. 245-253

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ISSN: 1572-9567

Schlagwort(e): composites ; dilatometry ; epoxy ; glass matte ; thermal expansion

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Glass matte/epoxy-reinforced composites provide high-quality electrical insulation, structural integrity, and environmental protection in solid cast transformers. The thermal expansion characteristics of those composites are very important; the thermal expansion must be compatible with the conductor of the transformer in order to minimize stresses and prevent decohesion between the composite and the copper. The glass matte orientation and loading greatly influence the thermal expansion characteristics of the composite. A section was removed from a glass matte/bisphenol A epoxy-insulated, copper conductor wound cylindrical transformer coil. The linear expansion coefficients of the glass matte/epoxy composite were determined by differential dilatometry for three mutually perpendicular orientations with respect to the cylindrical coil. The expected reduction in thermal expansion of the epoxy in the tangential and axial directions due to the glass matte, which produced improved thermal expansion compatibility with the copper windings, was demonstrated. The measured linear thermal expansion coefficients were compared with theoretical values derived from a model for thermal expansion of a two-dimensional isotropic composite filled with fibers randomly oriented in a plane. An alternate composite system used for solid cast coil transformers, consisting of a cycloaliphatic resin filled with silica flour, was also investigated for comparison.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00504244

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