Inhibitory impacts of Spirulina platensis and Chlorella vulgaris extracts on biogenic amine accumulation in sardine fillets
2021
Abstract Inactivation of bacterial growth and their biogenic amine production in foods are essential for food safety and consequently human health. Spirulina platensis and Chlorella vulgaris are the most commonly used microalgae in the formulation of food products due to their high content of bioactive compounds with antimicrobial properties. In the present study, the influences of aqueous extracts of S. platensis and C. vulgaris (1%) on ammonia, trimethylamine and biogenic amines (BAs) were investigated in vacuum packaged sardine fillets at 4 ± 1 °C for 15 days. The volatile aromatic compounds of extracts were also determined by gas chromatography-mass spectrometry (GC-MS). C. vulgaris and S. platensis extracts contained 8 and 7 components in total, of which the main components were 2-methyl-5H-dibenz[b,f]azepine (33.26%) and (3R)-3-phenyl-2,3-dihydro-1H-isoindol-1-one (38.47%), respectively. BAs values fluctuated during storage and exhibited statistically significant differences among groups (P
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