1. Beijing Engineering and Technology Research Center of Food Additives , Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University , No. 33 Fucheng Road , Beijing 100048 , P.R. China
2. State Key Laboratory of Enhanced Oil Recovery , Research Institute of Petroleum Exploration & Development , Beijing 100083 , P.R. China
3. University of Virginia , Charlottesville , VA 22903 , USA