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Outline
Using Shiqi squab, a renowned local specialty from Zhongshan, Guangdong Province, as the raw material, the effects of different marination conditions (the tumbling/static marination periods were set at 0/60, 15/45, 30/30, 45/15, and 60/0 min, in that order) on marinating characteristics, cooking loss of squabs, and quality (moisture content and distribution, color, fiber characteristics, texture profile and shear force value, aroma and sensory scores) of cantonese-style braised squab were investigated. The results showed that with tumbling time prolonging and static marination time shortening, both marination absorption and NaCl content of squab meat increased significantly (P<0.05); cooking loss of squabs decreased first and then increased, whereas the water content increased first and then decreased; the proportions of bound water, immobilized water and free water in braised squab showed different changing trends, but all of them reached extreme values at tumbling/static marination time of 30/30 mins (G30+J30); diameter of squab muscle fibers decreased significantly (P<0.05), while the density of muscle fibers reached the maximum in G30+J30 sample and then the deformation of muscle fibers increased and arrangement tended to be loose; hardness, elasticity, chewiness and shear force value of braised squab meat decreased significantly (P<0.05); electronic nose analysis result exhibited that the difference in overall odor profiles of different treatment samples was not significant (P>0.05). Quality of cantonese-style braised squab was improved significantly by marination condition optimization, with the G30+J30 treatment achieving the highest sensory scores and best overall quality.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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