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The metodology of a determination of some biometals content, i.e. chromium, cobalt, manganese, nickel and iron in Saccharomyces cerevisiae yeasts using UV-VIS spectrophotometer was worked out. An accuracy and precision of chosen analytical methods was determined. The comparison of results obtained with spectrometric ICP-AES method was conducted. Differences of mean values of results between those...
Under the light microscope, the epithelium of filiform papillae consists of an anterior and a posterior side. On the anterior side of filiform papillae the epithelium exhibited characteristics of soft keratinization, while on the posterior side - there were characteristics of hard keratinization. Conical papillae were covered by nonkeratinized epithelium. The keratinized layer was observed only...
The objective of the presented research project was to analyze pork quality factors with regard to various breeders of slaughter animals. Experiments were carried out on swine half carcasses, collected from fatteners delivered to slaughter house by three breeders from Wielkopolska province. Two types of muscles: m. longissimus lumborum and m. semimembranosus and two types of adipose tissue: subcutaneous...
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