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http://dx.doi.org/10.5658/WOOD.2010.38.1.75

Change in Chemical Composition of Acer mono Saps Collected in Different Region and Time Depending on Storing Period  

Kim, Ho-Yong (Dept. of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University)
Kim, Seon-Hong (Dept. of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University)
Gwak, Ki-Seob (Dept. of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University)
Park, Mi-Jin (Korea Forest Research Institute)
Choi, Won-Sil (Korea Forest Research Institute)
Kang, Ha-Young (Korea Forest Research Institute)
Choi, In-Gyu (Dept. of Forest Sciences, College of Agriculture & Life Sciences, Seoul National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.38, no.1, 2010 , pp. 75-84 More about this Journal
Abstract
This study was performed to investigate change in chemical composition of Acer mono saps collected in Hamyang, Inje, Namyangju and Yeongwol depending on storing period. pH of A. mono sap was in the range of 4.43~5.68, and it was decreased rapidly with the increase of storing period. A. mono sap collected in Yeongwol in Feb. 22 contained 2.06% sucrose. Degradation of sucrose was occurred when storing period was extended, and it caused production of organic acid like pyruvic acid, lactic acid, acetic acid and ethanol. Detected minerals in A. mono sap were K, Ca, Na, Mg, P, Si, Al, Mn, Fe, Cu and Zn, however, K and Ca content reached 93%. A. mono sap collected in Inje in Mar. 03 contained 131.72 mg/${\ell}$, which was especially high K content among the A. mono sap. 1.55~3.50 mg/${\ell}$ of Ascorbic acid was found in the A. mono sap. Sap collected in early date was less degraded.
Keywords
Sap; Acer mono; Storing period; Sucrose; Ascorbic acid;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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