Development of novel process for efficiently separating and purifying tocotrienols

Naomi Shibasaki-Kitakawa, Kousuke Hiromori, Siqingaowa Borjigin, Takahumi Sekine, Yoshikazu Amano, Takehiko Takahashi, Toshiyuki Kimura, Toshikuni Yonemoto

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, a novel process for efficiently separating and purifying tocotrienols from deodorizer distillate from rice bran oil were developed by combining adsorption and desorption with ionexchange resins and a simulated moving bed chromatography (SMB). In the vitamin E rich fraction obtained by adsorption and desorption with ion-exchange resins, only free fatty acid was detected as an impurity. The recovery ratios of tocotrienols and tocopherols were 73% and 100%, respectively and the mass fractions of tocotrienols and tocopherols were 21 wt% and 42 wt%, respectively. Those results were two times higher than those obtained by the conventional molecular distillation. Next, the purification of tocotrienols by SMB was performed using the vitamin E rich fractions obtained with ion-exchange resins and the conventional molecular distillation. The separation efficiency was improved by 20% and the required volume of eluent was reduced by 25% using the vitamin E rich fraction with ion-exchange resin. Thus, the proposed process was very effective to separating and purifying tocotrienols and can reduce the environmental impacts and production cost.

Original languageEnglish
Pages (from-to)23-31
Number of pages9
Journaljapan journal of food engineering
Volume17
Issue number1
DOIs
Publication statusPublished - 2016

Keywords

  • Ion-exchange resins
  • Recovery
  • Separation
  • Tocopherols
  • Tocotrienols

ASJC Scopus subject areas

  • Food Science
  • Industrial and Manufacturing Engineering

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