本文阐述了以L-抗坏血酸和棕榈酸为原料,以浓硫酸为催化剂,用直接酯化法合成L-抗坏血酸棕榈酸酯的过程。研究了原料配比、催化剂浓度、反应时间、反应温度等工艺条件对反应的影响。工艺优化后反应收率达到80%,产品质量符合国家标准。 This article describes the synthesis of L-ascorbyl palmitate by direct esterification using L-ascorbic acid and palmitic acid as raw materials and concentrated sulfuric acid as catalyst. The effects of process conditions, such as feed ratio, catalyst concentration, reaction time and reaction temperature, on the reaction were studied. Process optimization, the reaction yield of 80%, product quality in line with national standards.