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KMID : 1007520100190030837
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Food Science and Biotechnology
2010 Volume.19 No. 3 p.837 ~ p.841
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Coenzyme Q10 and Q9 Contents in 6 Commercial Vegetable Oils and Their Average Daily Intakes in Korea
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Pyo Young-Hee
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Abstract
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This study investigated the concentration of coenzyme Q10 (CoQ10) and Q9 (CoQ9) in 6 commercial vegetable oils commonly consumed in Korea and estimated the average daily intake of CoQ9 and CoQ10 from oils selected. The analytical method employed saponification before solvent extraction and quantification using high performance liquid chromatography (HPLC) with a mass spectrometer (LC-MS). Contents of CoQ9 and CoQ10 in 6 cooking oils varied from 233.7 to 1.4 and from 84.9 to 1.3 μg/g oil, respectively. Maize germ oil was the richest sources of CoQ9 (233.7±8.2 μg/g), while CoQ10 was found the highest contents in perilla oil (84.9±7.6 μg/ g). However, the major oil source of CoQ intake in the Korean population was soybean oil (63.0%). The estimated daily intake of total CoQ (Q9+Q10) was 2.92 mg/day/person.
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KEYWORD
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ubiquinone, CoQ9, CoQ10, vegetable oil, daily intake
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