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  • 1
    Electronic Resource
    Electronic Resource
    Survival of Escherichia Coli 0157:H7 on Vacuum-Packaged Raw Beef Treated with Polylactic Acid, Lactic Acid, and Nisin (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    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 antimicrobial effect of 2% low molecular weight polylactic acid (LMW-PLA), 2% lactic acid (LA), 200 IU nisin (Nisaplin™)/mL, and combinations of nisin and each acid on Escherichia coli O157:H7 on raw beef was investigated. Fresh beef, inoculated with E. coli O157:H7 and treated with each solution, was vacuum packaged and stored at 4 °C for 28 d. At day 28, counts of samples treated with LMW-PLA, NPLA, LA, and NLA were significantly reduced to 3.13,2.91, 2.99, and 2.83 log10 CFU/cm2, respectively. However, the antimicrobial effect of LMW-PLA and LA was not significantly different from each other and Nisaplin did not enhance the effects of either acid against this organism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb11395.x
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  • 2
    Electronic Resource
    Electronic Resource
    Reduction of Brochothrix thermosphacta and Salmonella Serotype Typhimurium on Vacuum-Packaged Fresh Beef Treated with Nisin and Nisin Combined with EDTA (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    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 effect of nisin and nisin/EDTA followed by vacuum packaging on the reduction of Brochothrix thermosphacta and Salmonella typhimurium counts on beef was investigated. Beef cubes, inoculated with either bacteria, were dipped in nisin, or nisin combined with EDTA solutions, vacuum packaged, and stored at 4 °C for up to 25 d. Growth of B. thermosphacta was completely inhibited by nisin and nisin/EDTA by up to 6.76 log10 CFU/ml. However, neither treatment showed significant effects against S. Typhimurium. Thus, nisin or nisin/EDTA treatment, followed by vacuum packaging under refrigerated conditions could increase the shelf life of fresh beef by inhibiting the growth of B. thermosphacta, an important spoilage organism in beef.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb11401.x
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  • 3
    Electronic Resource
    Electronic Resource
    Survival and Metabolic Activity of Microencapsulated Bifidobacterium longum in Stirred Yogurt (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Live cells of Bifidobacterium longum, microencapsulated in K-carrageenan, were added to stirred yogurt after fermentation (pH 4.6) and stored at 4.4 °C for 30 d. Cell enumeration indicated no decline of encapsulated cell number in yogurt samples, while there was significant reduction in nonencapsulated cell population (89.3% for B. longum B6 and 91.8% for B. longum ATCC 15708). Ion-exchange high-performance liquid chromatography showed comparable amounts of lactic and acetic acids in all samples, indicating little metabolic activity by bifidobacteria in experimental yogurts. Consumer sensory analysis of blackberry-flavored yogurts revealed that samples containing encapsulated bifidobacteria had a grainy texture. Results suggested that microencapsulation protected bifidobacteria from the low pH of yogurt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb14152.x
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  • 4
    Electronic Resource
    Electronic Resource
    Separation of carbazole alkaloids by gas-liquid chromatography
    Amsterdam : Elsevier
    Journal of Chromatography A 329 (1985), S. 178-180 
    Details
    ISSN: 0021-9673
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0021-9673(01)81913-0
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  • 5
    Electronic Resource
    Electronic Resource
    Carbazole and 3-methylcarbazole from Glycosmis pentaphylla
    Amsterdam : Elsevier
    Phytochemistry 26 (1987), S. 2138-2139 
    Details
    ISSN: 0031-9422
    Keywords: 3-methylcarbazole. ; Glycosmis pentaphylla ; Rutaceae ; alkaloids ; carbazole ; root bark
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0031-9422(00)81785-9
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  • 6
    Electronic Resource
    Electronic Resource
    Reduction of Escherichia Coli O157:H7 and Lactobacillus Plantarum Numbers on Fresh Beef by Polylactic Acid and Vacuum Packaging (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    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 efficacy of 2% molecular weight 240, 2% molecular weight 360 polylactic acid (PLA), and an equal mix of both at reducing numbers of Escherichia coli O157:H7 and Lactobacillus plantarum on raw beef was determined. Fresh beef cubes inoculated with either organism were dipped in PLA solutions or wrapped in PLA-sprayed films. Samples were vacuum packaged and stored at 4°C for 42 d. Treated samples maintained a significantly lower pH than controls. Growth of E. coli O157:H7 was totally inhibited by both PLA treatments by up to 7.29 log10 CFU/cm2 when the spray method was used. However, PLA treatments against L. plantarum were not very effective.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb09660.x
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  • 7
    Electronic Resource
    Electronic Resource
    CHANGES IN THE PROFILE OF ORGANIC ACIDS IN PLAIN SET AND STIRRED YOGURTS DURING MANUFACTURE AND REFRIGERATED STORAGE (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food quality 25 (2002), S. 0 
    Details
    ISSN: 1745-4557
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: The organic acids profile in fermented dairy foods is an indicator of the metabolic activity of added bacterial cultures. These acids act as natural preservatives and contribute to the characteristic sensory properties. This study was done to determine the effect of encapsulation on the metabolic activity of probiotic supplements, i.e. bifidobacteria, in plain yogurts. Metabolically active bifidobacteria may increase the concentration of certain organic acids, mainly acetic and propionic acids, which might lead to decreased acceptability of the product. Changes in the profiles of organic acids were determined in plain set and stirred-type yogurts containing the starter culture and microencapsulated and nonencapsulated probiotic strains of either Bifidobacterium longumB6 or B. longum ATCC15708. Ion-exchange high-performance liquid chromatography was used for the separation and quantification of the organic acids. Concentrations of acetic and lactic acid increased during storage, while those of citric and uric acid remained stable. No particular pattern was observed for propionic or butyric acid, while pyruvic acid initially decreased and then increased during storage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4557.2002.tb01038.x
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  • 8
    Electronic Resource
    Electronic Resource
    Nephrotic syndrome in 1st year of life and the role of unilateral nephrectomy (1992)
    Springer
    Pediatric nephrology 6 (1992), S. 16-18 
    Details
    ISSN: 1432-198X
    Keywords: Congenital nephrotic syndrome ; Infantile nephrotic syndrome ; Unilateral nephrectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The study includes 17 infants with nephrotic syndrome. Their ages at the onset of disease ranged from 10 days to 10 months (median 2 months), and included 10 males and 7 females. Ten patients had consanguineous parents and 4 had a history of similar illness in the sibling. Renal biopsy revealed diffuse mesangial proliferation in 10 patients, diffuse mesangial sclerosis in 3, Finnish microcystic disease in 2, and focal segmental glomerulosclerosis and atypical glomerulopathy in 1 each. Unilateral nephrectomy was performed in 8 patients with intractable proteinuria associated with multiple complications. Five are well after 4–36 months follow-up, 1 died of septicaemia soon after the procedure, 1 needed dialysis and is stable at 26 months and 1 showed no reduction in the degree of proteinuria. We conclude that unilateral nephrectomy is a better alternative to bilateral nephrectomy in some infants with severe nephrotic syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00856821
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  • 9
    Electronic Resource
    Electronic Resource
    Nephrotic syndrome in Saudi children clinicopathological study of 150 cases (1990)
    Springer
    Pediatric nephrology 4 (1990), S. 517-519 
    Details
    ISSN: 1432-198X
    Keywords: Nephrotic syndrome ; Minimal change nephrotic syndrome ; Focal segmental glomerulosclerosis ; Mesangial proliferative glomerulonephritis ; Steroid therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The study includes 150 children with primary nephrotic syndrome (NS), aged 16 months to 13 years with a median age of 5 years. The male to female ratio was 2:1 and the familial occurrence was 6%. Amongst 48 biopsied patients, 19 (39%) had focal segmental glomerulosclerosis, 17 (35%) had diffuse mesangial proliferative glomerulonephritis (MesPGN) and 10 (21%) had minimal change nephropathy. About 90% of patients responded to the initial prednisolone therapy. Subsequently 45% of steroid-sensitive patients had frequent relapses, 23% had no relapses, 21% had infrequent relapses and 5% became steroid resistant. Saudi children with primary NS showed no differences as regards age at onset, male predominace and response to initial prednisolone therapy when compared with published data from other countries. However, the higher incidence of familial occurrence, the relatively high frequency of MesPGN, the rarity of infection-related NS and a decreasing incidence of serious infections with improving socio-economic status were all noteworthy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00869837
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  • 10
    Electronic Resource
    Electronic Resource
    Mean squared slowing-down distance and age of americium-beryllium neutrons in perspex (1994)
    Springer
    Journal of radioanalytical and nuclear chemistry 181 (1994), S. 343-350 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The mean squared slowing-down distance, 〈r 2〉, and the age to themal capture (Migration Area),M 2, are direct measures of the slowing-down, and the spreading out, processes of neutrons in a medium. They also enter directly into reactor calculations. These parameters have been determined experimentally for Am-Be neutrons (mean energy 4.46 Me V), in a block of perpex, using the activities induced in thin indium foils from the115In(n,γ)116In reactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037640
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