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Pectin Microspheres for Oral Colon Delivery: Preparation Using Spray Drying Method and In Vitro Release of Release of Indomethacin
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  • Pectin Microspheres for Oral Colon Delivery: Preparation Using Spray Drying Method and In Vitro Release of Release of Indomethacin
  • Pectin Microspheres for Oral Colon Delivery: Preparation Using Spray Drying Method and In Vitro Release of Release of Indomethacin
저자명
Lee. Chang-Moon,Kim. Dong-Woon,Lee. Hyun-Chul,Lee. Ki-Young
간행물명
Biotechnology and bioprocess engineering
권/호정보
2004년|9권 3호|pp.191-195 (5 pages)
발행정보
한국생물공학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Drug delivery systems that are based on pectin have been studied for colon specific delivery using the specific activity of colon microflora. The aim of this study was to design a novel method of manufacturing pectin microspheres without oils and surfactants and to investigate the potential use of the pectin microspheres as an oral colon-specific drug carrier. The pectin microspheres were successfully formed using the spray drying method and crosslinking with calcium chloride. From the crosslinked pectin microspheres, indomethacin (IND) release was more suppressed than its release from non-crosslinked microspheres. In a low pH (pH 1.4) environment, the pectin microspheres released IND at an amount of about 18${pm}$2% of the total loaded weight for 24 h while the release rate of IND was stimulated at neutral pH (pH 7.4). IND release from the pectin microspheres was increased by the addition of pectinase. The results clearly demonstrate that the pectin microspheres that were prepared by the spray drying and crosslinking methods are potential carriers for colon-specific drug deliveries.