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세포독성과 형태학적 변화 관찰을 통한 5종 에센셜 오일의 안전성 검색
윤영한 ( Young Han Yun ),김경순 ( Kyong Soon Kim ),오혜영 ( Hye Young Oh ),유병수 ( Byong Soo Yu ),김기영 ( Ki Young Kim ) 한국미용학회 2008 한국미용학회지 Vol.14 No.3
In medical- and esthetic area the aromatherapy has spread widely by using of inhalation, bath and topical massage with essential oil. Thereby the safety, danger of irritation and sensitive reaction and injury of essential oil must be considered for clients and therapists. Therefore, in this study the safety of 5 species essential oils (ginger, cypress, rosemary, lavender and black pepper) was proven by the measurement of MTT-assay and sirius red staining. Liver cell, brain cell and kidney cell were chosen for the cell viability assay and morphological change observations. In this result, ginger and rosemary have shown as 50% of liver cell viability in concentration of 0.0012㎕/㎖ and 0.0014㎕/㎖. Cell lysis and nucleus breaking were shown in concentration of 0.002% cypress and lavender treated liver cell, and 0.001% black pepper and cypress treated brain cell. Ginger, rosemary and lavender were appeared as very low cytotoxicity on brain cell (in concentration of 0.0006 ㎕/㎖(ginger oil), 0.0011㎕/㎖(rosemary) and 0.00054 ㎕/㎖(lavender)). And lavender, rosemary and ginger revealed very low toxicity on kidney cell, and cell lysis and nucleus breaking did not observed in concentration of 0.002% lavender and rosemary treated kidney cell. Cypress has shown a low cytotoxicity on liver, brain and kidney cell. In conclusion, 5 essential oils such as ginger, cypress, rosemary, lavender and black pepper may be use carefully in very low dosage for inhalation and the concentrated essential oil should not be directly touched and exposed. Absolute essential oils must be diluted with carrier oil for topical and systematic massage.