Lauricidin and its preparation with sorbic acid (Lauribic) for preservation of fruits are tested and their antibiotic activity on oranges, pears and apples is determined by round filter paper method. 对月桂酸甘油单酯及其与山梨酸的复配物进行了水果保鲜应用效果的研究，并用圆滤纸片法测定了它们对桔、梨和苹果上霉菌的抑霉菌活性。