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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), 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: : Fruit ripening is closely associated with compositional and structural changes which can occur before or after harvesting. In papaya fruit, the period of sugar synthesis and accumulation remains poorly understood. The correlation between soluble sugar content and sweetness during papaya ripening was investigated in this study. Soluble sugars accumulated mainly when the papaya fruit was still attached to the plant. After harvest, however, there was still sucrose synthesis, and the sucrose-phosphate synthase activity was highly correlated to the sucrose content, indicating the importance of this enzyme in the process. Sensory analysis showed that there was a dissociation between sugar content and sweet sensory perception, while the pulp softening showed high correlation with the sweetness process, probably due to the easier release of cellular contents in the fully ripened tissue.
    Type of Medium: Electronic Resource
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  • 2
    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: Corn starch extruded at 32.9, 29.2, 24.5, 22.5, 15.9 and 14.2% moisture was analyzed for expansion ratio, enzyme susceptibility, water solubility index, water absorption index, degree of gelatinization, paste viscosity and heat of gelatinization. A model system based on the combination of raw, gelatinized and dextrinized starch was used to represent the physicochemical properties of the extrudates. Reducing extrusion moisture content resulted in a progressive change from gelatinized-like to dextrinized-like properties. Maximum gelatinization was observed at about 28-29% moisture. Below 20% moisture, dextrinization becomes predominant during high- shear cooking-extrusion. Scanning electron micrographs also validate the assumptions of the model.
    Type of Medium: Electronic Resource
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  • 3
    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
    Notes: A survey was conducted on the total mercury content of approximately 40 foods, including dairy, poultry, meat and fishery products, cereals, fruits and vegetables, bread and sugar, primarily produced in Michigan. Wet acid digestion and atomic absorption photometry were used in the analyses. The mercury content of most products ranged from less than 0.01 to 0.03 ppm. Fish carried generally higher concentrations of mercury, but no sample exceeded the FDA safety guideline of 0.5 ppm.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 615 (1991), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 615 (1991), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
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  • 6
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Notes: CDP-choline was given to patients with Alzheimer's disease (AD) at a daily dose of 1000 mg/day p.o. for one month. This compound slightly improved mental performance, tended to reduce theta activity in fronto-temporal regions, increasing alpha power in occipital areas, and enhanced cerebrovascular perfusion by increasing blood flow velocity and reducing pulsatility and resistance indexes. In addition, CDP-choline diminished histamine and interleukin-l levels in blood and serum, respectively, and increased plasma TNF.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 13 (1986), S. 0 
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: HLA class I and II antigen expression was studied in 19 cases of primary infiltrating ductal carcinoma of the breast. An indirect immunofluorescence technique was used on cryostat sections with monoclonal antibodies directed against HLA class I and II monomorphic determinants. Of the 19 cases studied, 17 were positive for class I antigen expression and two were negative. Class I HLA antigen expression was found to be clearly heterogeneous: in ten of these tumours more than 75% of the cells were class I positive; in two the percentage was decreased to between 50% and 75%; in five tumours it was less than 50%. With respect to class II HLA antigen expression, eight breast tumours were totally negative while two were strongly positive. (50-75%) and the nine remaining cases were less than 25% positive.In addition, radioassay techniques were employed to determine the presence of oestrogen and progestagen receptors. The distribution of these receptors was not correlated with HLA class I or II antigen expression, nor could any relationship be demonstrated between the degree of histological differentiation of the tumours and their invasiveness.
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 54 (1989), 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: Structural changes occurred in corn and sorghum during the alkaline-cooking process as it progressed from the raw kernel to the tortilla. The alkali weakened the cell walls, facilitating the removal of the pericarp, solubilized cell walls in the peripheral endosperm, caused swelling and partial destruction of starch granules, and modified the physical appearance of the protein bodies. Masa (ground nixtamal) consisted of small pieces of germ, pericarp, aleurone and endosperm, and free starch granules, cell fragments, and dissolved or dispersed solids and lipids in water. During tortilla baking, an additional degradation of cell walls, further loss of starch crystallinity, and partial destruction of protein bodies occurred.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), 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 sorghums containing different amounts of amylose (12.2, 21.5, and 26.7%) were decorticated, ground and extruded at three extrusion moisture levels (17, 32, and 45%). Highly expanded and brittle sorghum extrudates with high degrees of starch cooking were produced at 17% extrusion moisture content. All sorghum extrudates exhibited a V-amylose x-ray diffraction pattern. Functional characteristics, such as expansion, enzyme-susceptible starch ratio, and water solubility, indicated that low amylose extrudates were more cooked than other varieties. Thin porridges prepared from extruded sorghums had an intermediate consistency, smooth texture, roasted flavor and white color. Thin porridges (atoles) from extrudates containing 21.5% amylose, were preferred by a sensory panel over those from extrudates containing 12.2 and 26.7% amylose.
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 16 (1993), S. 0 
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. A morphopathological study of fish tuberculosis was carried out using histological and immunocytochemical techniques. The clinical signs observed were emaciation, lack of movement coordination and body deformation. Macroscopically, small, light-coloured, visceral nodules were detected. Immunocytochemical techniques were found to be effective in detecting infections where conventional staining methods failed to reveal, or detected only small numbers of bacilli.
    Type of Medium: Electronic Resource
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