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http://dx.doi.org/10.3746/jkfn.2011.40.10.1482

Physicochemical Characteristics and Nutritional Components of Goroshoe (Acer mono Max.) Sap with Collection Periods  

Jeong, Su-Jeong (Dept. of Food Science and Technology, Chungbuk National University)
Lee, Chang-Hyeon (Korea Testing & Research Institute)
Kim, Hyun-Young (Dept. of Food Science and Technology, Chungbuk National University)
Lee, Sang-Hoon (Dept. of Food Science and Technology, Chungbuk National University)
Hwang, In-Guk (Department of Agro-food Resources, National Academy of Agricultural Science, RDA)
Shin, Chang-Seob (Dept. of Forest Science, Chungbuk National University)
Park, Eui-Seok (Metome Food Co. LTD.)
Lee, Jun-Soo (Dept. of Food Science and Technology, Chungbuk National University)
Jeong, Heon-Sang (Dept. of Food Science and Technology, Chungbuk National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.40, no.10, 2011 , pp. 1482-1487 More about this Journal
Abstract
This study evaluated the physicochemical characteristics and nutritional components of Goroshoe (Ace rmono Max.) sap related with collection periods. The changes of browning index, turbidity, pH, total acidity, organic acids, free sugar, crude protein, crude ash, and minerals were investigated. Browning index and turbidity were slightly increased, while pH and total acidity were not changed as collection periods increased. Citric acid decreased slightly from 0.081 to 0.045 mg/mL at middle collection periods. Malic acid also decreased from 0.494 to 0.416 mg/mL at middle collection periods but then afterward increased to 0.674 mg/mL as collection periods increased. Sucrose decreased from 1.759 to 1.000%, while fructose increased from 0.023 to 0.044% as collection periods increased. Crude protein increased remarkably from 0.80 to 17.49 mg% as collection periods increased. Crude ash decreased slightly from 0.04 to 0.03% at middle collection periods, and then increased afterward to 0.06% as collection periods increased. Potassium increased from 13.43 to 49.75 mg/L as collection periods increased. These results indicate that the useful components of Goroshoe sap increased with increasing collection periods, but turbidity could be reduced.
Keywords
Acer mono sap; collection periods; organic acid; crude protein; minerals;
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Times Cited By KSCI : 17  (Citation Analysis)
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