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http://dx.doi.org/10.3746/jkfn.2009.38.8.1104

Physicochemical Characteristics of Liriope platyphylla Tubers by Drying Process  

Lee, Ka-Soon (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES)
Kim, Gwan-Hou (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES)
Kim, Hyun-Ho (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES)
Choi, Jong-Woo (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES)
Lee, Hee-Chul (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES)
Song, Mi-Ran (Dept. of Food and Nutrition, Chungnam National University)
Kim, Mee-Ree (Dept. of Food and Nutrition, Chungnam National University)
Lee, Gyu-Hee (Dept of Food Science and Biotechnology, Woo-Song University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.38, no.8, 2009 , pp. 1104-1110 More about this Journal
Abstract
To investigate physiochemical characteristics of Liriope platyphylla tubers by various drying process, proximate constitute, levels of free sugar, organic acid, free amino acid, crude saponin and spicatoside A were analyzed. Drying methods included hot-air drying (DLR, $60^{\circ}C$, 48 hr) and roasting after hot-air drying (RDLR, roasting at $180^{\circ}C$ for 15 min). The moisture, crude protein, crude lipid, ash and NFE (nitrogen free extract) contents of FLR (fresh Liriope platyphylla tuber) were 69.99%, 1.85%, 0.02%, 0.79%, and 27.35%, respectively. The most abundant proximate component of DLR and RDLR was NFE, of which the contents in both sample were 80.09% and 86.07%, respectively. The major free sugars in DLR and RDLR was oligosaccharide II as 56$\sim$57% and the major organic acid was malic acid as 3.06$\sim$3.34%, respectively. In free amino acid, the major amino acid of FLR, DLR and RDLR was serine with contents of 477.41 mg%, 1394.88 mg%, and 180.33 mg%, respectively. The level of serine was significantly decreased by roasting process. The level of crude saponin in FLR, DLR and RDLR were 3.52%, 8.41%, and 10.15%, respectively.
Keywords
Liriope platyphylla tuber; oligosaccharide; drying; roasting; saponin; spicatoside A;
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Times Cited By KSCI : 9  (Citation Analysis)
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