A survey of concentration of aflatoxin M1 in dairy products marketed in Turkey

Zafer GÖNÜLALAN

The aim of this study was to examine the presence of aflatoxin M1 (AFM1) in dairy product samples by enzyme-linked immunosorbent assay (ELISA). Aflatoxin M1 were found in 135 (64%) out of 210 analyzed samples. Only 7% of dairy product samples were contaminated at levels above the legal limits. AFM1 was detected in 43 (86%) of milk samples (ranging from 1 to 30 ng/l), in 38 (63%) of cheese (ranging from 12 to 378 ng/kg), in 28 (56%) of yoghurt (ranging from 2.5 to 78 ng/kg) and in 26 (52%) of dairy dessert samples (ranging from 1.5 to 80 ng/kg). None of the raw milk samples contained levels abo ...Более

Статья 2011 Mühendislik Fakültesi Food Control22 ( 12 ) 20 Просмотры

Front face fluorescence spectroscopy as a tool for comparison of aromatic amino acids, nucleic acids, vitamin A and FMRP containing in different egg types

Mustafa Haluk ÇELİK

Fluorescence spectroscopy was used to determine contents of amino acids, nucleic acids, Maillard reaction products and vitamin A in whites and yolks of eggs from hens, geese, ducks and quail. The fluorescence spectra obtained varied between egg types and allowed the eggs to be grouped and differentiated from each other on the basis of their composition. Keywords: amino acids; duck eggs; ducks; eggs; fluorometry; geese; maillard reaction; maillard reaction products; nucleic acids; quail eggs; quails; retinoids; spectrofluorometry; spectroscopy; vitamin a; goose eggs

Статья 2011 Mühendislik Fakültesi Annals Food Science and Technology12 ( 2 ) 104 Просмотры

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A survey of concentration of aflatoxin M1 in dairy products marketed in Turkey

Zafer GÖNÜLALAN

Front face fluorescence spectroscopy as a tool for comparison of aromatic amino acids, nucleic acids, vitamin A and FMRP containing in different egg types

Mustafa Haluk ÇELİK