保鲜剂结合臭氧水处理对冷藏草鱼片品质变化的影响

In order to explore the fresh-keeping methods of freshwater aquatic products and expand the application of ozone in fresh-keeping of aquatic products. The study combined tea polyphenols and chitosan with ozone water to treat grass carp fillets. The microbial content, volatile basic nitrogen, color, malondialdehyde，texture property，electronic nose analysis results and sensory evaluation were applied as evaluation indicators to study the effects of preservatives combined with ozone water treatment on the preservation of samples. It was founded that combined treatment can effectively inhibit microbial growth, delay the quality deterioration of grass carp fillets during storage, and not cause unacceptable changes in the sensory characteristics of the samplEffect of preservatives combined with ozone water treatment on quality of chilled grass carp. The chitosan treatment has obvious antibacterial and fresh-keeping effect, and the tea polyphenol treatment has better antioxidant effect.