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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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19권 3호
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HPLC/ELSD 법에 의한 Mono-,Di- 및 Tri-glycerides류 분석

Analysis of Mono-, Di- and Tri-glycerides by high-performance liquid chromatography (HPLC) with evaporative light scattering detection (ELSD)

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2006, v.19 no.3, pp.189-193
이만호 (경북대학교)
박희구 (계명대학교)
김인환 (대구대학교)
이만호, 박희구, & 김인환. (2006). HPLC/ELSD 법에 의한 Mono-,Di- 및 Tri-glycerides류 분석. 분석과학, 19(3), 189-193.
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Abstract

Chromatographic separation of glycerol monostearate, glycerol distearate and glycerol tristearate (GMS, GDS, and GTS) has been performed by normal phase HPLC method utilizing a Zorbax silica (<TEX>$250{\times}4.6mm$</TEX>, <TEX>$5{\mu}m$</TEX>) column and hexane-hexane, IPA and ethyl acetate mixtures as the eluent within 20 min. The observed reproducibility was less than 5% RSD, Suggesting that ELSD was an effective tool for detection of the glycerol stearates of low volatility without chromophore. The detection limits were in the concentration range of 0.3~2 mg/L, and the calibration curves (the log-log plots) were linear in the range of 4~1000 mg/L (with the slopes of 1.06~1.32). The application of the analytical procedure without pretreatment demonstrated that the proposed chromatographic method would be practical for a routine analysis of commercial products.

keywords
glycerol monostearate, glycerol distearate, glycerol tristearate, triglycerides, HPLC, ELSD


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