Grease refining method for improving frying performance of grease

The invention relates to a grease refining method for improving the frying performance of grease. The grease refining method comprises one or more steps of degumming neutralization, secondary alkali refining neutralization, washing drying, decoloration, dewaxing, physical deacidification and deodorization. Wherein the degumming neutralization step comprises the steps of degumming and first alkali refining and neutralizing. The invention also relates to the grease obtained by the method provided by the invention and having obviously improved frying performance or a grease composition containing the grease. The invention further comprises rice oil or cottonseed oil or a grease composition containing the rice oil and/or the cottonseed oil, food containing the grease or the grease composition, and application of the method or the process in preparation of grease with improved high-temperature frying performance. 本发明涉及提升油脂煎炸性能的油脂精炼方法。本发明的油脂精炼方法包括脱胶中和与二次碱炼中和，以及水洗干燥、脱色、脱蜡、物理脱酸和脱臭中的一步或多步；其中，所述脱胶中和步骤包括脱胶和首次碱炼中和步骤。本发明还