ࡱ> OQNbjbjVV 8<<   /J"""IIIIIII$LNI9#""##I I$$$#VI$#I$$RBAEq7f$4DvII0/JRDb}O;$}O<EEJ}OFx">Z",$"$""""II$ """/J####}O""""""""" :APPLICATION OF NIR SPECTROSCOPY FOR MONITORING QUOLITY OF SURIMI D. Valinger1, Jasenka Gajdoa Kljusuri1, D. Kova evi2 i }. Kurtanjek1 1 University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000, Zagreb, Croatia, jgajdos@pbf.hr 2 University of Osijek, Faculty of Food Technology, Franje Kuha a 20, 31000, Osijek, Croatia, dmagdic@ptfos.hr Non-invasive spectroscopy in the near red range from 899 - 1699 nm (NIR) was applied with the aim to analyze commercial samples of surimi and analogs of see shrimp. In this paper the aim was to investigate the possibility of recording reflectance samples for potential monitoring in the production process and sorting of samples according the quality, in order to prevent adulteration, and classification. The surimi as shrimp analogs spectra samples were monitored at 4 C room temperature of 21 C over time intervals (0, 30, 60, 120 and 240 min) on both sides of the samples.       v "     * + ˿˱ˏzrzhhUu0JmH sH hTQmH sH hUumH sH hJhUu0JmH sH hJhUumH sH hUuCJmH sH hDhUuCJmH sH hDhUuCJH*mH sH  hhUu hUuH*hUuhUhN5CJaJmH sH hUu5CJ\aJmH sH "hUhUu5CJ\aJmH sH %   Z\dh-DM gd$a$gdUugdUu$a$gdUu       * 1 L M O Q g i j u  Ѽјццtt_цц]SOhUuhUu0JmH sH U)hSHhUu0JfHmH q sH #hTQ0JfHmH q sH #hUu0JfHmH q sH #h#~0JfHmH q sH #h0JfHmH q sH )hJh0JfHmH q sH )hJhUu0JfHmH q sH hJhUu0JmH sH hTQhTQ0JmH sH The samples were treated by cooking in water and in a microwave oven in time intervals: 0; 0.5; 1 and 2 min. Analysis of the spectrums reveal changes in specific wave lengths of 919, 1177, 1201, 1343, 1458 and 1495 which correspond to O-H, C-H and N-H bonds that indicates possibility of determination of fat, protein and water in surimi and shrimp analogues enabling use of NIR for on-line monitoring of quality and selection. 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