2016
DOI: 10.1016/j.foodchem.2016.05.088
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Quality changes of salmon by-products during storage: Assessment and quantification by NMR

Abstract: Safe utilization of fish by-products is an important task due to increasing fish consumption. It can provide new valuable food/feed and will increase the economical profit and sustainability of the fishery industry. NMR spectroscopy is a reliable tool able to monitor qualitative and quantitative changes in by-products. In this work the trichloroacetic acid extracts of salmon backbones, heads and viscera stored at industrially relevant temperatures (4 and 10°C) were studied using NMR. Twenty-five metabolites we… Show more

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Cited by 54 publications
(56 citation statements)
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“…Actually, a chemical derivatization is mandatory to allow the sensitive determination of PAs by spectroscopic techniques, as their molecular structure lacks of moieties with optical or fluorescent properties (Al-Hadithi and Saad 2011). In addition, thin layer chromatography (Lapa-Guimarães and Pickova 2004), ion mobility spectrometry (Parchami et al 2017), NMR (Shumilina et al 2016) and colorimetric methods (Morsy et al 2016), were also proposed.…”
Section: Methods For the Determination Of Polyaminesmentioning
confidence: 99%
“…Actually, a chemical derivatization is mandatory to allow the sensitive determination of PAs by spectroscopic techniques, as their molecular structure lacks of moieties with optical or fluorescent properties (Al-Hadithi and Saad 2011). In addition, thin layer chromatography (Lapa-Guimarães and Pickova 2004), ion mobility spectrometry (Parchami et al 2017), NMR (Shumilina et al 2016) and colorimetric methods (Morsy et al 2016), were also proposed.…”
Section: Methods For the Determination Of Polyaminesmentioning
confidence: 99%
“…The NMR-spectral data was collected with Bruker AV-600 spectrometer (Germany) at 30 °С with TSP (3-(trimethilsilyl)-propionic-2,2,3,3-d 4 acid sodium salt) taken as the internal standard (δ Н 0.0, δ С -1.6). All metabolites marked at spectra were identified with the use of 1D ( 1 Н, 13 C) and 2D ( 1 H, 1 H COSY, TOCSY, ROESY и 1 H, 13 C HSQC, HMBC) NMR-spectroscopy, and also on the basis of literature values [7,8,12]. Spectra processing was performed with the use of standard software package of the Bruker company (TopSpin 3.6.1)…”
Section: Nmr-spectroscopy Performancementioning
confidence: 99%
“…It is important to point out that quality factor K 1 for frozen samples of fish estimated under given above formula was too high, which did not correlate with satisfactory sensory quality of fish and the TVB-N indexes for these samples. For these reasons and as proposed by others [10,12,14] the quality factor H was used for characteristics of frozen fish, estimated under the formula 3.…”
Section: Determination Of Adenosine-5'-triphosphate Degradation Produmentioning
confidence: 99%
“…To measure the buildup of FA, classical analytical methods such as quantification of TMAO and FA have been used; however, these methods are time-consuming and are not highly sensitive. Previously, Shumilina et al described the quality of salmon fillets using high resolution nuclear magnetic resonance spectroscopy [14]. They could detect many metabolites, but the localization of these metabolites were lost during the process of extracting the tissue.…”
Section: Introductionmentioning
confidence: 99%