香荚兰Vanilla Planifolia是热带兰科的名贵香料,气味芳香柔和,香韵独特,广泛应用于食品配香。我国每年要花不少外汇进口香荚豆,且进口量逐年增加,是国家急需发展的香料品种之一。豆荚中香兰素的含量是评定产品等级和确定适宜加工方法的重要检验指标。测定香兰素方法很多,经实验证实:比色法操作繁复,结果偏高;紫外光度法受乙基香兰素 Vanilla Planifolia Vanilla Planifolia is a luxury tropical Orchid spices, fragrant aroma, unique fragrance, is widely used in food with incense. Each year, China spends a lot of foreign exchange to import fragrant pod beans, and the import volume increases year by year, which is one of the spice varieties that the country urgently needs to develop. The content of vanillin in pods is an important test index for evaluating the product grade and determining the suitable processing method. Determination of vanillin a lot of ways, confirmed by experiments: colorimetric complicated operation, the result is high; UV spectrophotometry by ethyl vanillin