[Objective] To determine and analyze the content of ascorbic acid in common vegetables.[Method] The content of ascorbic acid (hereinafter referred to as the vitamin C) of 14 different kinds 336 common vegetables on people~ table in Jinan were measured and analyzed by 2,6-two chlorophenol indophenol titration method.[Result] There were large differences in vitamin C content in different kinds of vegetables,the content of vitamin C in pepper was the highest with the average of 1 200.00 mg/kg,the content of vitamin C in eggplant was relatively low with a mean of 63.80 mg/kg.[Conclusion] It is great significance for people to supplement vitamin C reasonably by understanding the vitamin C content of common vegetables.%[目的]测定并分析常见蔬菜中的抗坏血酸含量.[方法]采用2,6-二氯酚靛酚滴定法对济南市14种不同种类的336个老百姓餐桌上常见蔬菜抗坏血酸(以下简称维生素C)含量进行测定与分析.[结果]不同种类蔬菜中维生素C含量有较大差别.其中,尖椒中维生素C含量最高,平均值为1 200.00 mg/kg;茄子中维生素C含量相对较低,平均值为63.80 mg/kg.[结论]了解这些常见蔬菜中维生素C含量,对人们合理补充维生素C具有重要意义.
展开▼
