Visualization of tocopherol acetate absorbed inside laminated films by a matrix-assisted laser desorption/ionization-imaging mass spectrometry

Mitsuru Tanaka, Eiji Tanaka, Noe Obinata, Toshiro Matsui

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

The aim of this study was to visualize the sorption of tocopherol acetate as a penetrant into polymer films. A matrix-assisted laser desorption/ionization-imaging mass spectrometry (MALDI-IMS) technique was used to visualize the distribution of tocopherol acetate in films during the migration process. A phytic acid-aided MALDIIMS using 2',4',6'-trihydroxyacetophenone as a matrix allowed us to successfully visualize the absorbed tocopherol acetate in both ethylene-vinyl acetate copolymer (EVA) and low-density polyethylene (LDPE) films after 1 weekstorage of tocopherol acetate at 40°C. The IMS technique allowed us to also visualize the actual distribution of tocopherol acetate inside the EVA/barrier/EVA laminated films, in which tocopherol acetate sorption was blocked at the barrier layer.

元の言語英語
ページ(範囲)821-826
ページ数6
ジャーナルFood Science and Technology Research
21
発行部数6
DOI
出版物ステータス出版済み - 1 1 2015

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Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry
alpha-Tocopherol
tocopherols
films (materials)
desorption
ionization
Ionization
lasers
Mass spectrometry
Desorption
Ethylene
Visualization
Copolymers
acetates
image analysis
mass spectrometry
Imaging techniques
Sorption
Lasers
Low density polyethylenes

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering
  • Marketing

これを引用

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AU - Obinata, Noe

AU - Matsui, Toshiro

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