• Title/Summary/Keyword: 12-(acetyl oxy)-9-octadecenoic acid

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Comparative study on some quality-related components of different floral honeys -esp. on the contents of unsaturated higher fatty acids- (벌꿀의 밀원별(蜜源別) 품질관련성분(品質關聯成分)의 비교연구(比較硏究) -불포화(不飽和) 고급지방산(高級脂肪酸)의 함량(含量)에 대하여-)

  • Lee, Young-Gun;Min, Byoung-Uk;Lim, Sun-Uk
    • Applied Biological Chemistry
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    • v.34 no.2
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    • pp.102-109
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    • 1991
  • Quality of three kinds of honey from acacia, chestnut and polyflower sources, was evaluated by physicochemical and GC-MS analysis in respect to some chemical composition. The average contents of moisture, ash, HMF(hydroxy methyl furfurol) and free acidity were 19.7% , 0.028% , 18.28mg/kg and 8.85meq/kg , respectively, in acacia honey, 19.1% , 0.05% , 18.47mg/kg and 10.24 meq/kg , respectively, in polyflower honey, and 18.9% , 0.050% , 20.21mg/kg, 12.28meq/kg respectively, in chestnut honey. The average contents of glucose and fructose ranged from 31.0 to 32.0% and from 35.0 to 36.0% , respectively, in all three kinds of honey. The average ratio of fructose to glucose was 1.14 in all three kinds of honey. Fatty acid composition in honey identified by GC-MS analysis was dodecanoic acid, 10-hydroxy-2-decanoic acid, 6,9-undecadienoic acid, tetradecanoic acid, 12-(acetyl oxy) -9-octadecenoic acid and 14-octadecenoic acid. The content of 10-hydroxy-2-decenoic acid was about 10% in three kinds of honey.

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