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Bookcover of Oxygen Scavenging Nanoparticle
Booktitle:

Oxygen Scavenging Nanoparticle

α-tocopherol and transition metal in scavenging mixture

VDM Verlag Dr. Müller (2010-03-21 )

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ISBN-13:

978-3-639-24341-3

ISBN-10:
3639243412
EAN:
9783639243413
Book language:
English
Blurb/Shorttext:
α-tocopherol and transition metal in scavenging mixture were evaluated as a possible oxygen scavenger. The effects of moisture, amount of transition metal, and thermal processing on oxygen scavenging capability were also investigated. Our results showed that α-tocopherol and transition metal had 6.72 cc O2/g oxygen scavenging capacity and 0.11 cc O2 /g·day oxygen scavenging rate. Nanoencapsulation technology was adopted for the possible oxygen scavenging activation system. α-tocopherol-loaded poly ε-caprolactone (PCL) nanoparticles were prepared by O/W emulsion solvent evaporation with ultrasonication. The effect of PCL concentration, solvent in oil phase, and ultrasonication time on encapsulation efficiency (%), particle mean size, and loading (%) were investigated. Overall, 5% PCL in methylene chloride (DCM) as solvent in oil phase with 3 min ultrasonication time showed the best encapsulation formulation and this formulation was selected for the further research. α-tocopherol-loaded nanoparticle and transition metal in scavenging mixture was evaluated as a heat activated oxygen scavenger.
Publishing house:
VDM Verlag Dr. Müller
Website:
http://www.vdm-verlag.de
By (author) :
Youngjae Byun, Scott Whiteside
Number of pages:
128
Published on:
2010-03-21
Stock:
Available
Category:
Mechanical engineering, manufacturing technology
Price:
59.00 €
Keywords:
nanoparticle, oxygen scavenger, α-tocopherol, transition metal, Gelatin

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