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  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    15권 3호
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    Liquid chromatographic determination of α-, β-, γ-, and δ-tocopherol in sesame oils of different origin

    분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2002, v.15 no.3, pp.248-255
    Shin-Ok Kim
    Nam-Sun Kim
    Bong-Soo Noh
    Dong-Sun Lee
    Kim, S., Kim, N., Noh, B., & Lee, D. (2002). . 분석과학, 15(3), 248-255.
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    Abstract

    The contents of <TEX>${\alpha}$</TEX>-, <TEX>${\beta}$</TEX>-, <TEX>${\gamma}$</TEX>-, and <TEX>$\delta$</TEX>-tocopherols in sesame oils were determined by high performance liquid chromatography with UV detection. <TEX>${\alpha}$</TEX>-Tocopherol contents ranged from 10.28 to 19.79 mg/g oil, <TEX>${\beta}$</TEX>-tocopherol contents from 8.22 to 20.10 mg/g. However, both <TEX>${\gamma}$</TEX>- and <TEX>$\delta$</TEX>-tocopherol were less than 1.49 mg/g or not detected. <TEX>${\gamma}$</TEX>-Tocopherol was not detected from both unroasted white and black sesame seed oils. Significantly higher level of tocopherol in sesame oil than other oils is an evidence of the reason why it is highly stable and prevents oxidation. The tocopherol composition for twenty sesame oils was classified by using principal component analysis.

    keywords
    Tocopherols, Sesame oil, Vegetable oils, Liquid chromatography, Principal component analysis


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