Application of nanotechnology in Eichhornia crassipes extracts

Name: Darawan Limthin

Organization : King Mongkut's Institute of Technology Lardkrabang. College of Nanotechnology

Name: Darinee Phromyothin

Organization : King Mongkut's Institute of Technology Lardkrabang. College of Nanotechnology

Email : darinee.ph@kmitl.ac.th

keyword: Homogenization

LCSH: PLANT EXTRACTS

LCSH: WATER HYACINTH

LCSH: EICHHORNIA CRASSIPES

LCSH: EMULSIONS

Abstract: Natural extracts have widespread application because some can be used as antioxidants in pharmacological cosmetics. In this study, the ethanol extract of the dried leaves of the Eichhornia crassipes was prepared. Nano-emulsion of crude extract was developed by multiple emulsion homogenization techniques. Span 80 and tween 80 were used as emulsifiers in which oil phase and surfactant were virgin coconut oils and nonyl phenol ethoxylate with ratios of water, emulsifier and oil of 80:10:10, 70:20:10 and 70:10:20 and different ratio of co-emulsifier between span 80 and tween 80 at 0:2, 0.5:1.5, 1:1, 1.5:0.5 and 2:0. Emulsion extract was homogenized for 10-60 minutes at 2000-4000 rpm. Particles size and electrokinetic potential of emulsion extracts were determined by dynamic light scattering method. The droplet size was decreased by increasing surfactant concentration and time of homogenization. The smallest droplet size of the nano-emulsion consisting of 80:10:10 of water, emulsifier and oil in emulsifier of tween 80: span 80 at the ratio of 7.5:2.5, homogenized for 60 minutes at 2000-4000 rpm. was in the range of 100 to 400 nm. The nano-encapsulation of E. crassipes extract would be potential for the delivery of bioactive compounds.

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

Address: Bangkok

Email: library@kmutnb.ac.th

Created: 2017

Modified: 2560-12-13

Issued: 2017-12-13

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BibliograpyCitation : วารสารวิทยาศาสตร์ประยุกต์. ปีที่ 16, ฉบับพิเศษ ‪(2560)‬, หน้า 118-124

eng

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