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KMID : 1134820130420091452
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Journal of the Korean Society of Food Science and Nutrition
2013 Volume.42 No. 9 p.1452 ~ p.1460
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Secondary Drying Effects on Garlic Quality after Low Temperature Storage
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Ning Xiao-Feng
Kang Tae-Hwan
Park Jong-Won
Han Chung-Soo
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Abstract
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The purpose of this study was to investigate secondary drying effects on garlic quality, and to define the optimal secondary drying conditions for garlic preservation. The secondary drying tests used garlic that was naturally dried once and stored at low temperature. After secondary drying, the garlic was stored in a warehouse at room temperature. Tests were performed at different low-temperature storage periods (60, 105, 150, 195, and 240 days), secondary drying temperatures (35 and 40°C), drying times (1, 2, 3 days), and room temperature storage periods (15, 30, and 45 days). The results were compared with a non-secondary drying condition control. In general, the 40°C-2 days dry conditions showed the lowest weight-loss rate (5%) and rotting rate during room temperature storage. The sprouting rate increased by 20% during the initial 15 day-room temperature storage, along with a small increase after 30 days of room temperature storage. Increases in drying temperature and the period of secondary drying conditions caused a decrease in firmness. In addition, the sprouting rate was 10% higher, and rotting rate 5∼10% higher, for the non-drying condition, compared to drying conditions. Based on our results, the 40°C-2 days drying condition is the optimal secondary drying condition for garlic storage.
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KEYWORD
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garlic, low temperature storage, secondary drying, sprouting rate, rotting rate
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