离子色谱法测定腌制大蒜中亚硫酸盐含量

Measurement of sulfite in garlic by ion exchange chomatography

利用离子色谱法测定腌制大蒜中亚硫酸盐(SO32-)。实验中为了防止其在酸性条件下分解和氧化,采用甲醛作SO32-的稳定剂,在碱性条件下浸提、离心、过膜后用离子色谱法测定。成功的将现代科学仪器和分析手段应用到食品分析领域,旨在探索食品分析检测的新方法。

An ion exchange method was established to measure sulfite （SO3^2-） in garlic, Formaldehyde was added into samples to stabilize sulfide. After extraction in alkaline pH, centrifugation and filtration, the sample was injected and analyzed with ion exchange chromatography.