In Vitro Alternative Phototoxicity Test for Various Cosmetic Natural Extracts and Chemicals

수종의 화장품용 천연물과 화합물의 In Vitro 광독성 대체 시험

  • 조완구 (전주대학교 대체의학대학 기초의과학과) ;
  • 박지은 (LG 생활건강 기술연구원) ;
  • 박문억 (LG 생활건강 기술연구원) ;
  • 이상민 (LG 생활건강 기술연구원)
  • Published : 2009.09.30

Abstract

This study was done to assess an alternative method as a replacement of in vivo phototoxicity test. The human fibroblasts were exposed to several phototoxic chemicals (promethazine, chlorpromazine chlortetracycline, 8-methoxypsoralen, neutral red, bithionol) and non-phototoxic materials (cinnamic aldehyde, p-aminobenzoic acid, sodium lauryl sulfate, L-cysteine). The cell viability was measured by neutral red uptake (NRU) assay. The results of the NRU phototoxicity (PT) assay showed a close agreement with in vivo test except bithionol. We also have tested the cosmetic ingredients including $Medimin^{(R)}$ A, $Medimin^{(R)}$ D, $LG^{(R)}$ 106W, $Phytoclear^{(R)}$ EL-1, Carex humilis L. extract, Canna indica L. extract, Salvia miltiorrhira Bunge extract, $Parsol^{(R)}$ MCX and $Parsol^{(R)}$ 1789. Most materials except Salvia miltiorrhira Bunge extract did not show any phototoxicity.

본 연구에서는 in vivo 광독성 시험을 대체할 수 있는 방법에 관한 연구를 수행하였다. 인체 유래의 섬유아세포를 활용하여 광독성 물질(promethazine, chlorpromazine chlortetracycline, 8-methoxypsoralen, neutral red, bithionol)과 비광독성 물질(cinnamic aldehyde, p-aminobenzoic acid, sodium lauryl sulfate, L-cysteine)을 평가하였다. 세포 생존율은 neutral red uptake (NRU)로 평가하였다. NRU 광독성 시험 결과 bithionol를 제외한 화합물에서 모두 in vivo 실험결과와 유사한 결과를 보였다. 같은 방법으로 화장품 성분인 $Medimin^{(R)}$ A, $Medimin^{(R)}$ D, $LG^{(R)}$ 106W, $Phytoclear^{(R)}$ EL-1, 단삼동 추출물, 미인초 추출물, 산거울 추출물, $Parsol^{(R)}$ MCX와 $Parsol^{(R)}$ 1789를 평가 하였다. 평가 결과 단삼동 추출물을 제외한 원료에서 광독성이 없는 것으로 평가되었다.

Keywords

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