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KMID : 0525720210260020069
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Journal of Chitin and Chitosan
2021 Volume.26 No. 2 p.69 ~ p.75
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Preservative Effect of Chitosan with 1,3-Butylene Glycol as Natural Preservative in Cosmetic Formulation
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Jung In-Geun
Lee Guen-Moo
Hwang You-Jin
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Abstract
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This study was to evaluate the preservative effect of chitosan with 1,3-butylene glycol as natural preservative in cosmetic formulation. Antibacterial activity was measured by disc diffusion assay and broth microdilution assay were assessed on human skin microorganisms, Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, and Escherichia coli. Antioxidant activity was measured by DPPH radical scavenging assay. Furthermore, an optimum formulation of chitosan with 1,3-butylene glycol was confirmed the preservative effect and cytotoxicity through challenge test and cell cytotoxicity assay. Chitosan showed remarkable antibacterial and antioxidant activities. A combination of chitosan with 1,3-butylene glycol exhibited higher activity compared to chitosan alone. Through results, the optimum formulation was determined to 156 μg/mL chitosan with 10% 1,3-butylene glycol (CTSN-BG). CTSN-BG showed a potent preservative effect and non-cytotoxicity on HaCaT and HEK 293 cells. In conclusion, the results demonstrated that CTSN-BG may be useful in a wide range of substitutes for chemical preservatives in cosmetic industry.
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KEYWORD
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Chitosan, 1, 3-Butylene glycol, Preservative effect, Natural preservative, Cosmetic formulation
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