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Producing a lycopene nanodispersion: The effects of emulsifiers

Paper ID Volume ID Publish Year Pages File Format Full-Text
18873 43036 2016 7 PDF Available
Title
Producing a lycopene nanodispersion: The effects of emulsifiers
Abstract

•Emulsifiers have significant effect on the properties of lycopene nanodispersion.•Small molecule emulsifier produces smaller particle size of lycopene nanodispersion.•Lecithin produces small particle size and physically stable lycopene nanodispersion.•Sodium caseinate retained the highest lycopene concentration.•Tween 80 and gum arabic-stabilized lycopene nanodispersion were the least stabl.

In the present work, the effect of the emulsifier type, namely Tween 80 (T80), lecithin, sodium caseinate and gum arabic, on the physicochemical properties of lycopene nanodispersions was investigated. A lycopene nanodispersion was produced by emulsification-evaporation method. The lycopene nanodispersion exhibited different physicochemical properties with different types of emulsifiers. The smallest particle size and the highest transmittance of lycopene nanodispersion were obtained by using Tween 80 followed by lecithin, sodium caseinate and gum arabic. The lycopene nanodispersion produced from lecithin was the most stable, exhibiting the lowest polydispersity (PDI) value, narrow and monomodal distribution and high zeta potential value. Sodium caseinate retained the highest lycopene concentration among all the emulsifier types. Transmission electron microscopy (TEM) micrographs revealed sphere-shaped lycopene droplets at different sizes depending on the types of emulsifier used. The results from this study provide useful information to produce desirable properties in lycopene nanodispersions for food applications.

Keywords
Emulsification–evaporation; Small molecule surfactant; Large molecule emulsifier; High pressure homogenization; Particle size
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 98, April 2016, Pages 210–216
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us