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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, Yong Zhao, Mouming Tang, Shuze Song, Keke Han, Xue Ou, Shiyi |
| Copyright Year | 2009 |
| Abstract | The oxidative stability of diacylglycerol (DAG)-enriched soybean oil and palm olein produced by partial hydrolysis using phospholipase A1 (Lecitase Ultra) and molecular distillation was investigated at 110 °C by the Rancimat method with and without addition of synthetic antioxidants. Compared with triacylglycerol oils, the DAG-enriched oils displayed lower oxidative stability due to a higher content of unsaturated fatty acids and a lower level of tocopherols. With the addition (50–200 mg/kg) of tert-butylhydroquinone (TBHQ) or ascorbyl palmitate (AP), the oxidative stability indicated by induction period (IP) of these DAG-enriched oils under the Rancimat conditions was improved. The IP of the diacylglycerol-enriched soybean oil increased from 4.21 ± 0.09 to 12.64 ± 0.42 h when 200 mg/kg of TBHQ was added, whereas the IP of the diacylglycerol-enriched palm olein increased from 5.35 ± 0.21 to 16.24 ± 0.55 h when the same level of AP was added. Addition of TBHQ, alone and in combination with AP resulted in a significant (p ≤ 0.05) increase in oxidative stability of diacylglycerol-enriched soybean oil. AP had a positive synergistic effect when used with TBHQ. |
| Starting Page | 483 |
| Ending Page | 491 |
| Page Count | 9 |
| File Format | |
| ISSN | 0003021X |
| Journal | Journal of the American Oil Chemists' Society |
| Volume Number | 87 |
| Issue Number | 5 |
| e-ISSN | 15589331 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2009-12-10 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Diacylglycerol Rancimat method Oxidative stability Antioxidant Biotechnology Food Science Agriculture Biomaterials Industrial Chemistry/Chemical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Chemical Engineering |
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