气调包装盐水鹅优势菌的初步研究

Analysis and Identification the Spoilage Bacteria Flora in Modified Atmosphere Packaging Salted Goose

研究气调包装(70%O_2∶30%N_2)盐水鹅在4℃保藏过程中的优势菌菌相构成。以冷鲜鹅为原料,经NaClO浸泡、淋洗,卤煮,沥干,以70%O_2∶30%N_2的比例气调包装,测定其菌落总数。结果表明:气调包装(70%O_2∶30%N_2)盐水鹅优势菌由假单胞菌(52.5%)、肠杆菌(31.1%)和热杀索丝菌(12.4%)构成。可通过改变气体比例及种类调整盐水鹅制品的菌相构成达到延长保质期的目的。

Mainly study the composition of the dominant bacteria in the modified atmosphere packaging (70%O2∶30%N2) salted goose at 4 ℃. Using chilled goose as raw material, soaked in NaClO, rinsed, marinated, drained, and packaged in a gas atmosphere of 70% O2 ∶30% N2,through determination total number of bacterial,microscopic observation and physiology biochemistry experiment. The results showed that, the modified atmosphere packaging salted goose (70% O2∶30% N2) were 52.5% Pseudomonas, 31.1% Enterobacter and 12.4% Brochothrixthermosphactum. So the compose and role of microbiology in salted goose was by changing gas proportion and species to prolong the shelf life.