Przeglądaj Publikacje według autora "Kwiatek, Krzysztof"
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Przetworzone białko pochodzenia zwierzęcego w zastosowaniach krzyżowych - regulacje prawne
Weiner, Anna; Kwiatek, Krzysztof (Pro Agricola, 2023)Produkty uboczne pochodzenia zwierzęcego (UPPZ) stanowią źródło pełnowartościowego białka, które nie są przeznaczone do spożycia przez ludzi ale mogą być wykorzystane do produkcji pasz. -
Przetworzone białko zwierzęce w zastosowaniach krzyżowych - kontrola pasz i wykrywanie nieprawidłowości
Weiner, Anna; Skowronek, Martyna; Mazur - Frejowska, Monika; Kwiatek, Krzysztof (Pro Agricola, 2023)Wysiłki w zakresie zapobiegania i kontroli umożliwiły stopniowe znoszenie zakazu paszowego dotyczące stosowania przetworzonych białek pochodzenia zwierzęcego (PAP). Zgodnie z obowiązującymi przepisami prawa możliwe jest ... -
Rare earth element as the emerging contaminants in black tea - risk assessment resulting from the dietary exposure
Kowlaczyk, Ewelina; Kwiatek, Krzysztof; Sloth, Jens, Jorgen; Amlund, Heidi; Hansen, Max (2021)In the recent years, a great increase of the interest in the rare earth elements (REEs) has been observed. Due to their specific properties, they are used in several areas including medicine, agriculture and some branches ... -
Residues of veterinary antibiotics in solid natural and organic fertilizers—method development and sample analysis
Patyra, Ewelina; Osiński, Zbigniew; Kwiatek, Krzysztof (Springer, 2024)Livestock excrement is used around the world as natural fertilizers or, after processing, as organic fertilizers for crops andgrasslands. But due to the presence of veterinary antibiotics in them, they may pose a threat ... -
Scopolamine and atropine in feeds – determination with liquid chromatography mass spectrometry
Kowalczyk, Ewelina; Kwiatek, Krzysztof (2022)Tropane alkaloids (TAs) are naturally occurring plant toxins. Due to the fact that TA-producing plants can enter the food chain, they pose a risk for animals and human health. Therefore, sensitive analytical methods need ... -
Simultaneous determination of pyrrolizidine and tropane alkaloids in honey by liquid chromatography–mass spectrometry
Kowalczyk, Ewelina; Kwiatek, Krzysztof (National Veterinary Research Institute in Pulawy; Poland, 2022)Introduction: Pyrrolizidine alkaloids (PAs) and tropane alkaloids (TAs) are natural contaminants of honey and respectively hepatoxic and neurotoxic compounds. Because honey is a popular constituent of the human diet, it ... -
Simultaneous determination of sulfonamides, trimethoprim, amoxicillin and tylosin in medicated feed by high performance liquid chromatography with mass spectrometry
Patyra, Ewelina; Kwiatek, Krzysztof (National Veterinary Research Institute in Pulawy; Poland, 2024)Introduction: The article presents a rapid and simple analytical procedure for determination of four sulfonamides(sulfadiazine, sulfamerazine, sulfamethazine and sulfamethoxazole), trimethoprim, tylosin and amoxicillin in ... -
Stosowanie i kontrola substancji przeciwbakteryjnych w paszach - regulacje UE i zagrożenia zwiazane z ich obecnością
Patyra, Ewelina; Kwiatek, Krzysztof (Polskie Towarzystwo Nauk Weterynaryjnych, 2022)Animal feeds are routinely subject to contamination from diverse sources, including environmental pollution, activities of microbes, and veterinary drug residues. Contamination of feed with chemical substances such as ... -
The Identification and Quantification of 21 Antibacterial Substances by LC-MS/MS in Natural and Organic Liquid Fertilizer Samples
Patyra, Ewelina; Osiński, Zbigniew; Kwiatek, Krzysztof (MDPI, Basel, 2024)Antibiotics in animal production are widely used around the world for therapeutic and pre-ventive purposes, and in some countries, they still serve as antibiotic growth stimulants. Regardless of the purpose of using ... -
Wybrane aspekty sanitarno-weterynaryjne wytwarzania oraz stosowania nawozów organicznych i naturalnych
Patyra, Ewelina; Grenda, Tomasz; Osiński, Zbigniew; Kwiatek, Krzysztof (Krajowa Izba Lekarsko-Weterynaryjna, 2022)The use of natural and organic fertilizers is increasing, as it makes it possible to use a significant amount of products from the rendering sector and the environment of livestock farming. This translates into the ...