시중 참기름의 Steroid에 관한 연구 = Studies on the steroid of sesame oil sold in markets and used in restaurants

다국어 초록 (Multilingual Abstract)

Methods for the determination of steroids in sesame oils were studied. The sesame oils were saponified and the steroids isolated from the unsaponifiable matter by Florisil column chromatography, and the individual components were determined by means of gas chromatography.
Campesterol, β-sitosterol, stigmasterol were found in sesame oil including unknown I and II.
The use of SE-30 gas chromatographic column allows the slow elution, duplication of peaks and relatively low reproducibility, therefore, 3% OV-17 was suitable for the steroid analysis.
The result of this study showed that contents of steroids in sesame oil were campesterol 8.4%, stigmasterol 4.5%, β-sitosterol 33-9% and others 53.0% involving 8.75% of unknown I and 44.3% of unknown II.
There has been no specific test available for identifying the sesame oil among common edible oils. But the ratio of steroids in sesame oils allowed the estimation of genuiness.
The ratio of steroids vs. campesterol in genuine sesame oils were stigmasterol 0.3-0.6, β-sitosterol 3.0-3.8 and unknown II 3.0, respectively.
The 65 samples were composed of genuine sesame oil 40%, mixed rape seed oil 3%, cotton seed oil 1.5% and others were reused soybean oil or re-extracted oil.

목차 (Table of Contents)

• 目次
• I. 序論 = 2
• II. 實驗 = 4
• III. 結果 및 考察 = 8
• IV. 結論 = 15
• V. 參考文獻 = 17
• VI. 英文抄錄 = 18