Changes in Quality Characteristics of Dried 'Bansi' and 'Godongsi' Persimmon During Drying Period by Hot-air Drying
2021
Kim, C.W. | Park, H.W. | Na, M.H. | Lee, U.
This study aimed to investigate quality characteristics of hot-air dried persimmon during the drying period in ‘Bansi’ and ‘Godongsi’. These cultivars were classified into four grades: 2L, L, M, and S based on the fruit weight. Weight loss, firmness, soluble solid content (SSC), and moisture contents were measured during the hot-air drying period. The weight loss significantly increased during the drying period (p<0.05), while there was no difference between cultivars. In the initial drying period, the firmness decreased due to softening during the ripening stage and increased significantly due to hardening during the water loss stage. Regardless of the cultivars, the SSC increased from 19.6% in the initial period to 55.3% at 12 days after drying. Moisture content statistically decreased in both cultivars over the whole drying period. It took 4 days and 8∼10 days to produce semi-dried persimmon (45∼55% moisture content) and dried persimmon (25∼35% moisture content) in both cultivars. These results could be effectively used as basic data for producing high-quality semi-dried and dried persimmons using the hot-air drying method in ‘Bansi’ and ‘Godongsi’.
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