Abstract

The objective of this study was to evaluate the utility of Impatiens textori methanol extract (ITME) as an antioxidant and natural preservative for cosmetics. Total polyphenolic and flavonoid contents in ITME were 193.8 and 146.8 mg/g, respectively. The electron-donating ability of ITME at the concentration of 1,000 μg/mL was 50.4%. These findings indicate that ITME has excellent antioxidant activity. The minimal inhibitory concentration values of ITME against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa were 3%, 1.5%, and 1.5%, respectively. Collectively, these results suggest that ITME might be used in cosmetics as an antioxidant and as a natural preservative.

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