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  • 1
    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: The objective of this research work was to develop and evaluate simple manual procedure for the prediction of the retention of nutrients with first order kinetics of thermal degradation, during thermal processing of conduction-heating foods packed in rectangular containers. An equation was developed that permits the estimation of the integrated nutrient retention over the volume by means of Stumbo's formula method. The procedure was compared with literature data for thiamin retention in various thermal processes. Results obtained from the application of the method were within the 90% confidence interval of the experimental values.
    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: A model was developed to represent the continuous sterilization of Bingham plastic fluid foods for the laminar, isoviscous and nonisoviscous flow, with applications to design. The length of the heating and cooling sections as well as nutrient retention were numerically calculated for a required sterilization value. Thiamine and C. botulinum were considered for this purpose. There was a considerable difference between solutions obtained for isoviscous and nonisoviscous flow. Therefore, it would not be advisable to overlook the temperature effect on rheological fluid properties. Optimal nutrient retention was shown to occur for the smallest tube diameter studied.
    Type of Medium: Electronic Resource
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  • 3
    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: A model was developed to predict the retention of nutrients with first order kinetics of thermal degradation in foods packaged in reportable pouches and sterilized by thermal conduction. The validity of the model was verified experimentally on a simulated food. The model was effective in predicting the temperature at the center of the container at the end of the heating period and, to a lesser extent, at the end of the cooling period. The prediction of the fraction of nutrient retained at the end of processing compared favorably to the fraction obtained experimentally, and they were within the 90% confidence intervals of the experimental fractions.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 57 (1992), 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: Thermal resistance was determined on a strain of Bacillus coagulans in double concentrated tomato paste (aw= 0.95 at 23°C, pH = 4.0, 30.3°Brix, 70.1% moisture and acidity 1.30 g/100g citric acid. A microsyringe method was used with an inoculum of 1.3 × 104 spores/ mL. Values of D90°c= 3.5 min and z = 9.5C° were obtained.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    International urogynecology journal 3 (1992), S. 12-17 
    ISSN: 1433-3023
    Keywords: GSI surgical treatment ; Retropubic vaginal urethropexy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a 5-year experience performing vesicovaginal fascial sling operation (VVFSO) for the treatment of genuine stress incontinence associated with prolapse. This original technique, plus others to correct prolapse, was employed in 41 women evaluated preand postoperatively with traditional clinical and urodynamic methods. Essentially the procedure is a transvaginal retropubic urethrocystopexy by means of two fascial strips, obtained from the central part of the cystocele, crossed beneath the urethrovesical junction and fixed to the periostium of the lower retropubis on each side. All 41 patients were followed for 1–5 years, with 39 of them cured (95.1%) and 2 failed (4.9%). A significant postoperative increase in the maximal urethral closure pressure, from 10–35 cmH2O with a mean of 18, was found. The VVFSO is an easy vaginal procedure, which provides a high success rate in correcting GSI associated with prolapse.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 13 (1971), S. 419-429 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The oxygen transfer coefficient estimated by both sulfite and dynamic methods and some of the rheological properties of fermentation broths derived from the batch cultivation of a mutant of U. maydis in a sugar cane juice substrate, are used in a scaling-up procedure on the basis of the power consumption per volume unit concept. The fluid was of the Binham plastic type; the Np-NRE correlations showed that the modified Reynolds numbers of the flat-blade turbine impellers were low, near to or in the laminar region; the Na-Pg/P relations were established and then used in the calculation regardless of the geometrical dissimilarities of the vessels. A change of scale from 5 to 50 liters was calculated and operated keeping the power per volume value constant. Reproduction of lysine yields, 2.5-3.2 g/liter, was repeatedly reached in 8 successive runs.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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