Abstract Title:

Characterization of ginger essential oil/palygorskite composite (GEO-PGS) and its anti-bacteria activity.

Abstract Source:

Mater Sci Eng C Mater Biol Appl. 2017 Apr 1 ;73:381-387. Epub 2016 Dec 27. PMID: 28183622

Abstract Author(s):

Hong Lei, Qiaonian Wei, Qing Wang, Anxiang Su, Mei Xue, Qin Liu, Qiuhui Hu

Article Affiliation:

Hong Lei


To explore a novel kind of anti-bacterial composite material having the excellent antibacterial ability, stability and specific-targeting capability, palygorskite (PGS) was used as the carrier of ginger essential oil (GEO) and a novel kind of composite GEO-PGS was prepared by ion exchange process. The characterization and the antibacterial activity of GEO-PGS was investigated in this study. Results of FTIR, XPS, XRD,TG analysis and SEM observation demonstrated the combination of GEO and PGS, GEO was absorbed on the surface of PGS, and the content of GEO in the composite was estimated to be 18.66%. Results of minimal inhibitory concentration (MIC) analysis, growth curve and Gram staining analysis of Staphylococci aureus and Escherichia coli exposed to GEO-PGS showed that GEO-PGS had much higher antibacterial activity than GEO, and GEO-PGS had the specific-targeting antibacterial capability. Moreover, GEO-PGS showed the characteristics of thermo-stability, acidity and alkalinity-resistance in exerting its anti-bacteria activity. In conclusion, the novel composite GEO-PGS combined the bacteria-absorbent activity of PGS and the antibacterial activity of GEO, suggesting the great potential application of GEO-PGS as the novel composite substance with high antibacterial activity.

Study Type : In Vitro Study

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