Extraction of soybean (Glycine max.) with hexane-acetic acid: effect on oil quality
1992
Bhagya, S. | Srinivas, H.
Soybean flakes were extracted in a Soxhlet extractor with hexane and hexane containing different concentrations of acetic acid for different periods. A concentration of 3% acetic acid in hexane and extraction for 3 h were found to be optimum for maximum extraction of total lipids and phospholipids. Compared to hexane, acidic hexane extracted 5.8% and 191.3% more total lipids and phospholipids respectively. Quality characteristics of acidic hexane-extracted oil showed that the Lovibond colour intensity and free fatty acid (FFA) content were higher compared to hexane-extracted oil. However, the fatty acid composition did not show any changes.
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