Influence of Nigella sativa L. Oil Addition on Physicochemical and Sensory Properties of Freezer-Stored Ground Pork for Pate
APPLIED SCIENCES-BASEL(2023)
摘要
The purpose of this study was to investigate the effect of Nigella sativa L. (NS) oil addition on the quality of ground pork for p & acirc;t & eacute; stored for one month and two months (-20 +/- 1 degrees C). The study was conducted on a negative control (C), a positive control with the addition of antioxidant (CB) butylated hydroxyanisole (E320), and two groups with the addition of NS oil at the level of 1.9% (O1) and 3.8% (O2). The quality parameters tested in the meat were colour (measured in the CIELab system), lipid oxidation products, the fatty acid profile, thrombogenicity (T1), atherogenicity (A1), and the ratio of hypocholesterolemia to hypercholesterolemia (h/H). After roasting the p & acirc;t & eacute;s, their volatile compound profiles were studied and sensory tests were conducted. A significant effect of NS oil additive on meat colour was found and Delta E for C-O2 increased faster during storage than for C-O1 and C-CB. NS oil additive in pork p & acirc;t & eacute; improved the fatty acid profile. Significant differences in the rate of the fatty acid profile change during storage were observed with the addition of 3.8% NS oil compared to the other groups. Only the O2 group showed no change in PUFA content, while the h/H ratio was approximately 20% higher in the groups with added oil. The addition of NS oil also slowed the growth of TBARSs compared to the C and CB groups. The volatile compound profile of the raw p & acirc;t & eacute; was most influenced by the proportion of terpenes in the NS oil. After two months of meat storage, the O1 p & acirc;t & eacute; received the highest sensory ratings.
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关键词
natural antioxidants,functional pork products,Nigella sativa L. oil,volatile compounds profile
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