Seaweed contains polysaccharides,vitamins and other nutrients,with the function to enhance immunity,reduce blood pressure,etc.,and is loved by the public.However seaweed has problems such as heavy smell,which affects the pop-ularity of consumers and limits the development of seaweed food industry.The fishy smell of seaweed basically comes from the new substances generated by the interaction of volatile substances and various kinds of volatile substances in seaweed,includ-ing aldehydes,ketones,alcohols and other compounds.The strong fishy smell produced by them has seriously affected the development of the seaweed industry.In this paper,the smell components of seaweed,the current detection methods and techniques of seaweed deodorization were summarized,and the technology of seaweed odor removal was mainly discussed,in-cluding physical odor removal,chemical odor removal,biological odor removal and composite odor removal.In this paper,the advantages and disadvantages of these methods were summarized.
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