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KMID : 0369819940240010029
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Jorunal of Korean Pharmaceutical Sciences
1994 Volume.24 No. 1 p.29 ~ p.32
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Determination of Selenium in Dried Yeast Preparations
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오세종/Oh SJ
오영택/윤원용/박성배/Oh YT/Yoon WY/Park SB
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Abstract
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In order to improve the sensitivity of the current assay methods of selenium in dried-yeast preparations, atomic absorption spectrophotometry (AAS), high performance liquid chromatography (HPLC) and UV-Vis spectrophotometry were employed. The sample was prepared with the digestion by acid mixture of hydrochloric acid, nitric acid and perchloric acid after elimination of ether-soluble substances. The range of quantitation of selenium was 1.0∼6.0μg/ml by UV-Vis spectrophotometry, 5.0∼20.0μg/ml by HPLC and 0.03∼0.10μg/ml by AAS.
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KEYWORD
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Selenium, Dried-yeast preparation, Assay
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