Physicochemical Characteristics of Liriope platyphylla Tubers by Drying Process
2009
Lee, K.S., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Kim, G.H., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Kim, H.H., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Choi, J.W., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Lee, H.C., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Song, M.R., Chungnam National University, Daejeon, Republic of Korea | Kim, M.R., Chungnam National University, Daejeon, Republic of Korea | Lee, G.H., Woo-Song University, Daejeon, Republic of Korea
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℃, 48 hr) and roasting after hot-air drying (RDLR, roasting at 180℃ 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 56~57% and the major organic acid was malic acid as 3.06~3.34%, 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.
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