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Browsing by Author Kiszka, Monika: 12 Scientific Journals of the Maritime University of Szczecin

  • Witas, Tadeusz; Kiszka, Monika (Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie, )
    The work contains a selection of physical and chemical parameters of releasing, determination of density and optimal conditions of malone aldehyde (MDA) determina-tion in roasted coffee by means of thiobarbiturate method with alkaline hydrolysis pa-tented previously, useful for the assessment of numerous raw materials and goods. MDA is an undesirable compound in food; during condensation reaction to the form of, e.g., gas pitch, it is a radical-forming compound. The article is part of a cycle of studies on the research of goods quality from overseas countries.
  • Witas, Tadeusz; Kiszka, Monika (Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie, )
    The work covers the physical and chemical conditions of releasing and marking glyceral in roasted coffee in the presence of malone dialdehyde, as tricarbonic com-pounds, by destilation, thiobarbiturate method, with the introduction of alcaline hydrol-ysis. These compounds usually disturb each other during marking, being strongly reac-tive substances with multifaceted pathogenic interactions. The article is part of a cycle of studies on the research of goods quality from overseas countries.

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