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  2. All Volumes and Issues
  3. Volume 15, Number 2, 2021
  4. Influence of Extraction Conditions on Qualitative Composition of Vegetable Oils

Influence of Extraction Conditions on Qualitative Composition of Vegetable Oils

JCCT.
2021;
Volume 15, Number 2
: pp. 233 - 238
https://doi.org/10.23939/chcht15.02.233
Authors:
  1. Oleksandr Ivashchuk
  2. Anna Hlukhaniuk
  3. Yevgen Semenyshyn
  4. Roman Chyzhovych
  5. Tetiana Kuzminchuk
  6. Semen Khomyak
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University
3
Lviv Polytechnic National University
4
Lviv Polytechnic National University
5
Lviv Polytechnic National University
6
Lviv Polytechnic National University

The influence of the production conditions for rapeseed and soybean oils obtained by extraction in the system “solid – liquid” on the qualitative composition of the obtained vegetable oils has been studied. The main chemical values (acid value, iodine value, ester value, saponification value) and optical properties (refractometric refractive index and UV-Vis spectroscopy) for rapeseed and soybean oils obtained by extraction using methylene chloride as a solvent from different plant raw materials (grade of grinding is 0.2, 0.5 and 1.0 mm) and mixtures of crushed grain fractions have been determined. It has been shown that the grade of grinding of the raw material affects the quality of the obtained product.

extraction
solid-liquid system
vegetable raw materials
rapeseed oil
soybean oil
qualitative analysis
refractometry
UV-Vis spectroscopy
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