Metabolomics is the study of biochemical processes involving metabolites (i.e. compounds with a molecular weight b1 kDa) and aims
to measure (qualitatively or quantitatively) many metabolites in a given biological system at a certain time point and under certain conditions (Fang & Gonzalez, 2014). The ‘metabolome’ represents the collection of all metabolites in a system, e.g. a biological cell, tissue, organ or organism, which are the reactants, intermediates and end products of metabolism (Dunn, Broadhurst, Atherton, Goodacre, & Griffin, 2011).
Metabolite abundances are directly related to external stimuli, the phenotype and physiology of the biological system and provide information about the biochemical processes involved. Metabolites are measured using several different analytical techniques, of which NMR, GC–MS and LC–MS are the most commonly used (Daykin & Wülfert, 2006;Fang & Gonzalez, 2014).
In meat science, metabolomics has been used to investigate beef tenderness (D'Alessandro et al., 2012; D'Alessandro & Zolla, 2013), effects of different packaging conditions on beef metabolites, metabolite changes in beef caused
by aging time and effects of diet on beef metabolites
. However, metabolite analysis to identify dry-aged flavour related metabolites
(flavour precursors) has not been studied. Therefore, the objectives of this study were to determine the effects of various dry-aging regimes on meat
quality and sensory attributes of beef loins and investigate the metabolite
differences of dry-aged and wet-aged beef, with particular emphasis on
flavour precursors.
Metabolomics is the study of biochemical processes involving metabolites (i.e. compounds with a molecular weight b1 kDa) and aimsto measure (qualitatively or quantitatively) many metabolites in a given biological system at a certain time point and under certain conditions (Fang & Gonzalez, 2014). The ‘metabolome’ represents the collection of all metabolites in a system, e.g. a biological cell, tissue, organ or organism, which are the reactants, intermediates and end products of metabolism (Dunn, Broadhurst, Atherton, Goodacre, & Griffin, 2011).Metabolite abundances are directly related to external stimuli, the phenotype and physiology of the biological system and provide information about the biochemical processes involved. Metabolites are measured using several different analytical techniques, of which NMR, GC–MS and LC–MS are the most commonly used (Daykin & Wülfert, 2006;Fang & Gonzalez, 2014).In meat science, metabolomics has been used to investigate beef tenderness (D'Alessandro et al., 2012; D'Alessandro & Zolla, 2013), effects of different packaging conditions on beef metabolites, metabolite changes in beef causedby aging time and effects of diet on beef metabolites. However, metabolite analysis to identify dry-aged flavour related metabolites(flavour precursors) has not been studied. Therefore, the objectives of this study were to determine the effects of various dry-aging regimes on meatคุณภาพและคุณลักษณะทางประสาทสัมผัสของเนื้อเอว และตรวจ metaboliteความแตกต่างของ อายุแห้ง และเปียกอายุ เน้นเฉพาะกลิ่นรสสารตั้งต้น
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