Study on Effect of Compound Spice Essential Oils on Biogenic Amines in Pseudosciaena crocea
Objective:Effectively control the accumulation of biogenic amines in Pseudosciaena crocea by compounding natural spice essential oils.Methods:Firstly,three concentrations of 0.1％,0.5％and 1.0％are used to preliminarily screen the essential oils of garlic,ginger,cinnamon,rosemary,clove and onion to obtain the optimal conditions.Secondly,single factor experiment is conducted with the optimal addition amount of each spice essential oil as the gradient center to determine the appropriate concentrations of the four spice essential oils.Finally,response surface combination experiment is conducted with the average relative content of histamine,putrescine and cadaverine as the response values.Results:The optimal ratio is obtained to be 0.493％cinnamon essential oil,0.058％rosemary essential oil,0.060％clove essential oil and 0.937％garlic essential oil.The predicted mean value of relative content at this time is 62.289％.Conclusion:In this experiment,it is proven that adding compound spice essential oils into Pseudosciaena crocea can effectively inhibit the production of biogenic amines and delay the quality deterioration of Pseudosciaena crocea.
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