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Polish Journal of Food and Nutrition Sciences

The Journal of Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn

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Chemical Characterization of Canola and Sunflower Oil Deodorizer Distillates

Saba Naz
  • Corresponding author
  • Dr. M. A. Kazi Institute of Chemistry University of Sindh, Jamshoro, Pakistan
  • Selcuk University, Faculty of Science, Department of Chemistry Konya, Turkey
  • National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan
  • Email:
/ Syed Tufail Hussain Sherazi
  • Dr. M. A. Kazi Institute of Chemistry University of Sindh, Jamshoro, Pakistan
  • National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan
/ Farah Naz Talpur
  • National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan
/ Huseyin Kara
  • Selcuk University, Faculty of Science, Department of Chemistry Konya, Turkey
/ Siraj Uddin
  • National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan
/ Rauf Khaskheli
  • Selcuk University, Faculty of Science, Department of Chemistry Konya, Turkey
  • Shaheed Mohtarma Benazir Bhutto (SMBB) Medical University Larkana, Pakistan
Published Online: 2014-05-27 | DOI: https://doi.org/10.2478/pjfns-2013-0008


In the present work deodorizer distillates of canola and sunflower oil were studied for their chemical characterization. Tocopherols, sterols, hydrocarbons and fatty acid composition were determined by Gas chromatography Mass spectrometry (GC-MS). Results indicated that deodorizer distillates of canola oil (DDCLO) studied had higher saponification value in the range of 164.2-175.8 mg/g and all deodorizer distillates of sunfl ower oil (DDSFO) had high iodine value of 126.2-127.1 g/100 g. Peroxide value and free fatty acids were present in the range between 7.0-8.9 mEq/Kg and 35.7-54.4 g/100 g in DDSFO and DDCLO samples, respectively. Contents of oleic acid (49.3-51.1 g/100 g) and linolenic acid (6.2-7.5 g/100 g) were significantly greater in DDCLO samples. Conversely, DDSFO contained concentrated amount of linoleic acid (52.8-53.3 g/100 g). Tocopherols and hydrocarbons were significantly higher in all DDSFO samples while, sterols were dominant in DDCLO samples. GC-MS provided excellent results for simultaneous determination of tocopherols, sterols, hydrocarbons and fatty acid composition of deodorizer distillates of canola and sunflower oil

Keywords: canola and sunflower deodorizer distillates; phytosterols; tocopherols; fatty acids; physico-chemical properties


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About the article

Received: 2013-12-19

Revised: 2014-03-19

Accepted: 2014-03-25

Published Online: 2014-05-27

Published in Print: 2014-06-01

Citation Information: Polish Journal of Food and Nutrition Sciences, ISSN (Online) 2083-6007, ISSN (Print) 1230-0322, DOI: https://doi.org/10.2478/pjfns-2013-0008.

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© by Saba Naz. This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. BY-NC-ND 3.0

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