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http://dx.doi.org/10.9724/kfcs.2014.30.3.351

Effect of Astringency Removal Conditions on the Quality of Daebong Persimmon  

No, Junhee (Department of Food and Nutrition, Chonnam National University)
Kim, Jimyoung (Department of Food and Nutrition, Chonnam National University)
Zhang, Chen (Department of Food and Nutrition, Chonnam National University)
Kim, Hyunjin (Department of Food and Nutrition, Chonnam National University)
Shin, Malshick (Department of Food and Nutrition, Chonnam National University)
Publication Information
Korean journal of food and cookery science / v.30, no.3, 2014 , pp. 351-359 More about this Journal
Abstract
The application of persimmon for making new products was investigated by analyzing the degree of astringency removal, softness of fruit, and sensory properties of Daebong persimmons (Diospyros kaki L) treated with three different astringency removal methods of steeping in water, steeping in 1% salt solution, and vacuum packing at $40^{\circ}C$. The weight of persimmon fruit increased with increasing steeping time, but decreased with increasing vacuum packing time. The fruit steeped in $40^{\circ}C$ salt solution (1%, w/w) was not detected with soluble tannin and not developed color with ferric chloride after steeping for 9 h. A total of 12 h of steeping time was required for removing soluble tannin using other methods. The lightness (L) in color and hardness in texture decreased when storage time increased, regardless of astringency removal methods. In overall, the preference was shown with the highest score in persimmon steeped in salt solution for 9 h and 12 h that were vacuum packed at $40^{\circ}C$. In conclusion, the astringency removal condition of Daebong persimmon was good after being steeped on 1% salt solution for 9 h at $40^{\circ}C$.
Keywords
daebong persimmon; removal of astringency; salt solution hardness; soluble tannin;
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Times Cited By KSCI : 3  (Citation Analysis)
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