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KMID : 0903519840270030158
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1984 Volume.27 No. 3 p.158 ~ p.162
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Determination of Free Sugars in Some Fruits by Liquid Chromatography
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이응호/Lee, Eung Ho
이종수/하진환/구재근/Lee, Jong Soo/Ha, Jin Hwan/Koo, Jae Geun
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Abstract
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In order to estimate the basic data for the processing suitability of fruits, the contents of free sugars in citrus fruits(14 varieties) cultured in Jeju island, and peaches(4), grapes(4), pears(3) and apples(6) obtained from a local market were investigated by HPLC.
The sucrose was the most abundant sugar in citrus fruits and peaches, and followed by fructose and glucose in order. The sugar contents in citru fruits was a wide difference according to the variety. In citrus fruit, the sucrose content was about 53 to 65% to total free sugars and the ratio of fructose to glucose was 1.0/0.8-1.1. The sugars present in grapes and pears were fructose of most abundance, glucose and sucrose in order. Jangshiprang pear showed 2 times higher fructose content than other variety. The free sugar in Taeyang and Hongok(Jonathan) apples were fructose, glucose and sucrose in order of abundance which fructose, sucrose and glucose in Golden Fuji and Mutsu.
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