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KMID : 1098420130210060493
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Korean Journal of Medicinal Crop Science
2013 Volume.21 No. 6 p.493 ~ p.497
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Influence of Essential Oil in 'Shiranuhi' Immature Fruit on Antioxidant and Antimicrobial Activities
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Kim Sang-Suk
Hyun Ju-Mi
Kim Kwang-Sik
Park Kyung-Jin
Park Suk-Man
Choi Young-Hun
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Abstract
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This study was designed to analyze the chemical composition of essential oil in ‘Shiranuhi’ immature fruit and to test their biological activities. ‘Shiranuhi’ immature essential oils (SIEO) were obtained by steam distillation from fruits collected from Jeju Island and were analyzed using gas chromatograph (GC)-flame ionization detectors (FID) and GC-MS. Fourteen components were identified in the essential oil. Limonene (75.21%) and terpineol (8.68%) were the major components in SIEO. Since acne vulgaris is the combined result of a bacterial infection and the inflammatory response to that infection, we examined whether SIEO possessed antibacterial against skin pathogens. As a result, SIEO showed excellent antibacterial activities against drug-susceptible and -resistant Propionibacterium acnes and Staphylococcus epidermidis, which are acne-causing bacteria. In this study, SIEO was examined on DPPH radical scavenging activities, which showed moderate antioxidant activity (SC50, 15.36 μL/mL). In order to determined whether SIEO can be safely applied to human skin, the cytotoxicity effects of SIEO were determined by colorimetric MTT assays in normal human fibroblasts and keratinocyte HaCaT cells. They exhibited low cytotoxicity at 0.5 μL/mL in both celllines. Based on these results, we suggest the possibility that essential oil of ‘Shiranuhi’ maybe considered as an antibacterial and antioxidant agent.
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KEYWORD
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Shiranuhi, Antioxidant Activity, Antimicrobial Activity, Skin Pathogen
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