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  • 1
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Experiments were performed in which the same ingredients were stuffed in either natural pork casing or in an artificial collagen casing. A small-diameter coarse and mouldy salami, known as ‘fuet’, was tested.Ripening parameters showed few differences; water content, non-protein nitrogen, free fatty acids and superficial mould counts were similar, while pH was clearly higher after the fifth day in natural casing, and counts of yeasts were larger in the artificial one. Microscopic observation of cross-sections has shown a greater colonization of natural casing tissue by moulds. Sensory quality scores for natural casing salami were higher in almost all attributes except for ease of skin peeling. Differences were especially evident in aroma-related ratings and in overall acceptability. It was concluded that a higher pH due to a deeper and larger colonization of skin tissue by moulds could be responsible for the superior sensory quality of sausages stuffed in natural casing.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract. Persistent organochlorine residues such as hexachlorobenzene (HCB), hexachlorocyclohexane isomers (HCHs), chlorocyclodienes, and the DDT group (DDTs) were determined in fat and muscle samples of resident red-legged partridges (Alectoris rufa) hunted in Spain. Chlorinated contamination pattern varied largely depending on geographical distribution. Birds collected from the northern part of Spain contained greater concentrations of lindane (34.4 ng/g fat basis) than those from central or southern Spain. In contrast, red-legged partridges collected in southern locations exhibited elevated levels of p,p′-DDE (62.3 ng/g fat basis) as compared with central (31.2 ng/g fat basis) and northern areas (5.6 ng/g fat basis). The only cyclodiene detected, dieldrin, showed higher amounts (3.4 ng/g fat basis) in partridges collected in central Spain. The sex differences in pollutant occurrence and concentrations were negligible. One-year-old birds accumulated greater concentrations of β-HCH, and dieldrin than older birds. Global comparison of organochlorine concentrations indicated that northern partridges are more contaminated by compounds of industrial origin, whereas southern birds contained greater amounts of agricultural chemicals. Estimates of hazards associated with organochlorine levels in resident red-legged partridges in Spain suggested that southern birds may be at risk from exposure to DDTs, and northern birds may be affected by excessive concentrations of lindane. The use of red-legged partridge as bioindicator for OCP contamination is discussed.
    Type of Medium: Electronic Resource
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