期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 130, 期 3, 页码 1281-1292出版社
SPRINGER
DOI: 10.1007/s10973-017-6423-0
关键词
Camellia tenuifolia (Hayata) seed oil; Mushroom extract; Photodegradation; Vitamin E; Antioxidant effect; Pulsed light
资金
- Asia University
- China Medical University in Taiwan [ASIA-105-CMUH-08]
We selected Camellia tenuifolia (Hayata) seed oil to compare the effects of mushroom extract and vitamin E on its stabilization properties. Camellia tenuifolia was selected for its higher oil content, but its proportions of unsaturated fatty acids and natural antioxidants as well as its oxidation stability are lower than those of Camellia oleifera oil. Our aim was to improve the oxidation stability, thermal stability, and photodegradation of C. tenuifolia seed oil and then compare the advantages of mixing traditional antioxidant (vitamin E) and mushroom natural antioxidant components (mushroom extract) in the oil. The focus was on the analysis of the effects of Pleurotus citrinopileatus (Singer) extract and vitamin E on the stabilization properties of C. tenuifolia seed oil, which involved some degradation research, such as evaluating the thermal, oxidation, and antioxidant effects as well as the irradiative (pulsed light) stability of the original oil and oil mixed with additives for comparing the differences by differential scanning calorimetry tests and isothermal microcalorimeter (TAM Air) analyses. We determined the effects of stabilization additives vitamin E and various PC extract doses by using pulsed light irradiation (0, 30, and 60 pulses) and found that the 3 mass% PC extract had the best antiphotodegradation characteristics, and the 0.1 mass% vitamin E indicated the outstanding oxidation stability for among all of the additives in this study. Overall, we obtained the following suitable conditions to stabilize camellia oil: addition of vitamin E, addition of 3 mass% PC extract, and a nitrogen atmosphere.
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