D
Don Woong Choi
Researcher at Food and Drug Administration
Publications - 5
Citations - 233
Don Woong Choi is an academic researcher from Food and Drug Administration. The author has contributed to research in topics: Gas chromatography & Decoction. The author has an hindex of 5, co-authored 5 publications receiving 225 citations.
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Journal ArticleDOI
Regulation and quality control of herbal drugs in Korea.
TL;DR: An overview of the characteristics of regulation and quality control of herbal medicines in Korea is presented.
Journal ArticleDOI
Effects of low molecular weight chondroitin sulfate on type II collagen-induced arthritis in DBA/1J mice
So Yean Cho,So Yean Cho,Joon-Soo Sim,Choon Sik Jeong,Seung Yeup Chang,Don Woong Choi,Toshihiko Toida,Yeong Shik Kim +7 more
TL;DR: The LMWCS preparation showed preventive effects on the type II collagen-induced arthritis in DBA/1J mice and better permeability through Caco-2 cells and no significant difference was observed between LMW CS and CS on interleukin-6 (IL-6) induction.
Journal ArticleDOI
Quantitative analysis of chondroitin sulfate in raw materials, ophthalmic solutions, soft capsules and liquid preparations.
Joon-Soo Sim,Gyungjin Jun,Toshihiko Toida,So Yean Cho,Don Woong Choi,Seung-Yeup Chang,Robert J. Linhardt,Yeong Shik Kim +7 more
TL;DR: The quantitative analysis of the disaccharides produced by enzymatic digestion can be used in the direct quantitation of CS containing pharmaceutical formulations.
Journal ArticleDOI
Identification of steroid hormones in pomegranate (Punica granatum) using HPLC and GC-mass spectrometry
Don Woong Choi,Jee Yeun Kim,Seon Hee Choi,Hee Su Jung,Hyo Joo Kim,So Yean Cho,Chan-Soon Kang,Seung Yeup Chang +7 more
TL;DR: In this article, a reproducible and sensitive method for separation and identification of steroid hormones in pomegranate samples using both high performance liquid chromatography (HPLC) and gas chromatography(GC) was developed.
Journal ArticleDOI
A size-exclusion HPLC method for the determination of sodium chondroitin sulfate in pharmaceutical preparations
Don Woong Choi,Mi Jung Kim,Hee Sung Kim,Soo Hyun Chang,Gi Sook Jung,Kyung Yong Shin,Seung Yeup Chang +6 more
TL;DR: A size-exclusion HPLC method for the determination of sodium chondroitin sulfate (SCS) in pharmaceutical preparations has been developed and validated and was supposed to be successfully applied to the assay of SCS for the routine quality control in Pharmaceutical preparations.