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HPLC 를 이용한 우유내 비타민 D2 및 D3 의 정량분석에 관한 연구
백승천,김철현,정운현,하영식 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.1
This study was carried out to compare three HPLC column and various mobile phase for the determination of vitamin D₂and D₃in milk. The saponified samples were extracted with hexane, and the extracts containing interfering substances were further clean up by using the Sep-pak cartridge containing silica. The Symmetry C_(18) column provided more satisfactory analysis data than the other columns in terms of precision and selectivity. The Symmetry C_(18) column showed a linear relationship between the concentration increments and peak areas of in vitamin D₂and D₃in the standard solution(r=0.998∼999, P$lt;0.01). The recovery percent(97.10∼99.78%) of vitamin D₃ in the samples saponified and extracted were much higher than those(51.90∼80.96%) in the samples only clean-up treated.(51.90∼80.96%).