Journal
TURKISH JOURNAL OF CHEMISTRY
Volume 44, Issue 6, Pages 1694-1702Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/kim-2005-10
Keywords
Soybean oil; processing; deodorizer distillate; tocopherols; triglycerides
Funding
- Higher Education Commission (HEC), Pakistan [6717/Sindh/NRPU/RD/HEC]
- TUBITAK
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In the present study, high-performance liquid chromatography (HPLC) was used for the separation of tocopherols and triglycerides of processed soybean oil and deodorizer distillate (DD). The results of normal and reversed-phase modes of HPLC revealed that concentrations of tocopherols and triglycerides content were decreased during the neutralization, bleaching, and deodorization processes. The loss of individual tocopherols ranged between 55.16% and 63.25%. During processing, triglycerides containing stearic-oleic-linoleic (SOL) moieties and palmitic-palmitic-linoleic (PPL) fragments showed greater reduction up to 38.14% and 37.69%, respectively. Among tocopherols and triglycerides; gamma-tocopherol and oleic-oleic-oleic (OOO) were found to be in greater concentrations 5.53% and 19.78%, respectively in DD as compared to their counterparts. A maximum reduction of tocopherols was observed in the deodorization step. DD was found to be a rich source of bioactive components; therefore, it could be used for many industrial applications including pharmaceutical formulations, cosmetics, and food industries.
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