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http://dx.doi.org/10.14578/jkfs.2016.105.2.202

Effect of SO2 Generating Pad Treatments on the Quality of Dried Persimmons during Storage  

Oh, Sung-Il (Division of Special-purpose Trees, National Institute of Forest Science)
Kim, Chul-Woo (Division of Special-purpose Trees, National Institute of Forest Science)
Lee, Uk (Division of Special-purpose Trees, National Institute of Forest Science)
Publication Information
Journal of Korean Society of Forest Science / v.105, no.2, 2016 , pp. 202-207 More about this Journal
Abstract
The effects of $SO_2$ generating pads ($SO_2$ 0, 0.5, 1, and 2 g/kg) on the quality of dried persimmons slices were investigated. The $SO_2$ generating pads for storage did not affect to weight, moisture loss rate, and soluble solid contents of dried persimmons. The color change(E) after storage for 12 weeks was the highest (value = 3.5) in control ($SO_2$ 0 g/kg), whereas that was the lowest (value = 2.6) under $SO_2$ 2 g/kg condition. When we measured the browning degree after 12 weeks, they showed O.D. 0.15, 0.14, 0.10, and 0.05 in serial dilution treated pads with $SO_2$ 0, 0.5, 1, and 2 g/kg, respectively. The decaying rate was the highest (9.0%) in control after 12 weeks storage, whereas it did not show any spoilage in $SO_2$ 2 g/kg treated condition for whole storage period. The concentration of residual $SO_2$ in dried persimmons was detected within a safe range of 3.3~97.0 ppm. Therefore, the shelf-life of dried persimmons was lengthened in $SO_2$ generating pads (especially in $SO_2$ 2 g/kg) for inhibiting of browning and decaying.
Keywords
Diospyros kaki; browning; decaying; storage; sulphur dioxide; quality;
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Times Cited By KSCI : 7  (Citation Analysis)
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