Micro-emulsion of guava leaf essential oil

Name: Prachayawat Piyanaetitham

Organization : Kasetsart University. Faculty of science

Name: Thitinun Karpkird

Organization : Kasetsart University. Faculty of science

Email : prachayawat.piy@ku.th

keyword: Microemulsion

LCSH: Emulsions

LCSH: Essences and essential oils -- Therapeutic use

Abstract: Guava leaf essential oil (GLE) contains many chemicals that provide the biological activities such as antibacteria, antioxidants, and anti-inflammatory. The major chemical compounds in GLE are D-limonene (36.86%), caryophyllene (18.59%), caryophyllene oxide (9.13%), α-Pinene (8.37%), and eucalyptol (7.83%), identified by GCMS. The limitations of the GLE are the low water solubility and easy to evaporate. This work aims to enhance the water dispersion of GLE using a microemulsion system. The optimal microemulsion was obtained using a ternary phase diagram. The tween80 mixed with propylene glycol was used as surfactant at a ratio of 2:1, with GLE as the oil phase, and the water titration method was used. Dynamic light scattering (DLS), viscometer, and conductivity were observed. The optimal microemulsions are clear and transparent solutions even after 60 days of storage at room temperature

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2022

Modified: 2022-11-23

Issued: 2022-11-23

บทความ/Article

application/pdf

BibliograpyCitation : In King Mongkut's Institute of Technology Ladkrabang. Pure and Applied Chemistry International Conference (PACCON 2022) (pp.631-634). Bangkok : King Mongkut's Institute of Technology Ladkrabang

eng

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