천연화장품의 재료로서 복숭아 잎 추출물의 기능성 평가
Functional Evaluation of Peach Leaf Extract as a Material for Natural Cosmetics
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초록
Goal of this study is to evaluate the suitability of peach leaf as a raw material for natural cosmetics basedon specific functions that are antioxidative activity, antibacterial activity, and tyrosinase inhibition. Theantioxidative activity was determined based on DPPH-scavenging effect and the antibacterial activity wasmeasured based on inhibition effect of bacterial community isolated from face skin of 4 women. The peachleaf was grinded using ball meal for improving extraction efficiency. Triply distilled (highly pure) water or99.9% ethanol was used as a solvent for extraction of functional compounds from ground peach leaf. Dryweight of the extract was not quantitatively determined but functional efficiency of the extract was evaluatedbased on ratio of the peach leaf weight to the solvent volume. The ratio of peach leaf weight to solventvolume was adjusted to 20 g to 1,000 mL, which was employed as a criterion to determine functional activityof the extract. Ten times-diluted peach leaf extract was employed to determine the DPPH-scavengingactivity and the tyrosinase inhibition activity; however, the peach leaf extract was not diluted to determineantibacterial activity. Functional activity was the mean value of results obtained from triply repeated tests. The DPPH-scavenging activity of the water-extracted and the ethanol-extracted peach leaf was approximate57.5% and 68.0%, respectively; meanwhile, the tyrosinase inhibition activity of the water-extracted and theethanol-extracted peach leaf was approximate 52.5% and 41.9%, respectively. Differences between thewater-extracted and the ethanol-extracted peach leaf for antioxidative, tyrosinase inhibition, and antibacterialactivity was approximate 15%, 20%, and 10%, respectively. Conclusively, the functional activity contained inthe peach leaf is considered to be suitable as a raw material for the natural cosmetics.
Abstract
Goal of this study is to evaluate the suitability of peach leaf as a raw material for natural cosmetics basedon specific functions that are antioxidative activity, antibacterial activity, and tyrosinase inhibition. Theantioxidative activity was determined based on DPPH-scavenging effect and the antibacterial activity wasmeasured based on inhibition effect of bacterial community isolated from face skin of 4 women. The peachleaf was grinded using ball meal for improving extraction efficiency. Triply distilled (highly pure) water or99.9% ethanol was used as a solvent for extraction of functional compounds from ground peach leaf. Dryweight of the extract was not quantitatively determined but functional efficiency of the extract was evaluatedbased on ratio of the peach leaf weight to the solvent volume. The ratio of peach leaf weight to solventvolume was adjusted to 20 g to 1,000 mL, which was employed as a criterion to determine functional activityof the extract. Ten times-diluted peach leaf extract was employed to determine the DPPH-scavengingactivity and the tyrosinase inhibition activity; however, the peach leaf extract was not diluted to determineantibacterial activity. Functional activity was the mean value of results obtained from triply repeated tests. The DPPH-scavenging activity of the water-extracted and the ethanol-extracted peach leaf was approximate57.5% and 68.0%, respectively; meanwhile, the tyrosinase inhibition activity of the water-extracted and theethanol-extracted peach leaf was approximate 52.5% and 41.9%, respectively. Differences between thewater-extracted and the ethanol-extracted peach leaf for antioxidative, tyrosinase inhibition, and antibacterialactivity was approximate 15%, 20%, and 10%, respectively. Conclusively, the functional activity contained inthe peach leaf is considered to be suitable as a raw material for the natural cosmetics.
참고문헌 (24)
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