Abstract: This paper is a review of the recent development of researches on the mechanisms of deastringency in Persimmon fruits. The process of natural deastringency of non-astringent persimmon and the effects of ethanlo and acetaldehyde treatment on deastringency of astringent Persimmon fruit were discussed. It was pointed out that acetaldehyde is the substance causing de-astringency in persimmon fruits.

Key words:  , Persimmon Fruits Mechanisms of Deastringency Effects of Acetaldehyde；