Correlation between Thermal Properties and Chemical Composition of Palm Oil Top Olein Fractions
Xin Huang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorJingkang Wang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorJinbo Ouyang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Search for more papers by this authorCorresponding Author
Hongxun Hao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.Search for more papers by this authorYongli Wang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorYuan Gao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Search for more papers by this authorQiuxiang Yin
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorYing Bao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorXin Huang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorJingkang Wang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorJinbo Ouyang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Search for more papers by this authorCorresponding Author
Hongxun Hao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.Search for more papers by this authorYongli Wang
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorYuan Gao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Search for more papers by this authorQiuxiang Yin
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorYing Bao
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, China.
Collaborative Innovation Center of Chemical Science and Chemical Engineering, Tianjin, China.
Search for more papers by this authorAbstract
A multistep dry fractionation method for modification of palm oil was adopted to achieve a high iodine value (IV) of the obtained palm olein, herein denoted as top olein. The effect of the composition of palm oil top olein on the IV and on the crystallization properties was analyzed in detail. Thermal properties of a series of olein and stearin fractions were evaluated by means of differential scanning calorimetry upon cooling. The composition of triacylglycerols in the products was investigated by high-performance liquid chromatography. IV analysis was carried out to measure the degree of unsaturation in these oil samples. Finally, an innovative and reliable method was developed to determine the IV of palm oils by relating the thermal properties with IV. The results agree well with those obtained by the traditional American Oil Chemists' Society method.
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