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이연아,이민원 중앙대학교 약학연구소 1996 약학 논총 Vol.10 No.-
Propolis is a natural resinous substance produced by honey bees and used by them to strengthen their nest and was known to have significant biological effect including antibacterial, anti-fungal, anti-inflammatory and anti-oxidant activity. Form the EtOH extract of Chilean propolis, two flavonoid compounds were isolated by chromatographic separation. The structure of these compounds was elucidated as pinocembrin and chrisin by physico-chemical and spectral evidences.
HPLC를 이용한 Alnus속 식물에서의 diarylheptanoids의 정량분석
정동욱,김준식,조수민,이연아,김광호,김세원,이민원 중앙대학교 약학연구소 1999 약학 논총 Vol.13 No.-
Quantitative determination of diarylheptanoids (oregonin and hirsutanonol), which were characteristic components of Alnus spp. has been conducted by High Performance Liquid Chromatography. The HPLC analysis was carried out using an YMC J'sphere ODS-H80 column [150×4.6mm, S-4μm. 80A(particle)] and a combination of acetonitrile and H2O was used as mobile phase in gradient solvent system. The results showed differnce in the species (Alnus japonica, A hirsuta and A. hirsuta var. sibirica)