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KMID : 1134820110400050753
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Journal of the Korean Society of Food Science and Nutrition
2011 Volume.40 No. 5 p.753 ~ p.758
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Characteristics of Goroshoe (Acer mono Max.) Sap with Different Collection Times After Ultra Filtration
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Jeong Su-Jeong
Lee Chang-Hyeon
Kim Hyun-Young
Hwang In-Guk
Shin Chang-Seob
Park Eui-Seok
Lee Jun-Soo
Jeong Heon-Sang
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Abstract
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We investigated the effects of ultra filtration (UF) of Goroshoe (Acer mono Max.) sap collected in March and April. The total bacteria and turbidity of the sap collected in April were higher than in March. However, after UF, the turbidity decreased and bacteria were not detected. The total acidity and total sugar of the sap collected in April were lower than that collected in March. After UF, total acidity and total sugar decreased slightly in sap from both of the collection times. The crude ash and mineral content of the sap collected in April were higher than in March. In particular, the calcium and potassium content of the sap collected in April were 166.38 and 29.47 ㎎/L, respectively, which was much higher than in March. Again, after UF, the crude ash and mineral content were decreased in the sap from both collection times. We concluded that UF of Goroshoe sap increased its quality regardless of collection time.
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KEYWORD
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Acer mono sap, collection time, ultra filtration, useful components
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