Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide

  • Maiko Ono Nagoya University
  • Yukihiro Kawamoto Nagoya University
  • Chiho Uemori Nagoya University
  • Wahyu Diono Nagoya University
  • Hideki Kanda Nagoya University
  • Motonobu Goto Nagoya University

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Abstract

Supercritical carbon dioxide (SCCO2) is one of the green methods to extract plant matters substances. In this study, SCCO2 has been applied as a media to extract the grains of paradise seeds substances at temperatures of 40 – 80 oC and pressures of 20 – 40 MPa using a semi–continuous flow–type system. Results of FT–IR spectra analysis showed that the grains of paradise seeds substances were extracted by SCCO2. The SEM images of the grains of paradise seeds residues also showed that the physical changes of the grains of paradise seeds surface occurred after SCCO2 extraction. The main compounds in extracts were gingerols, shogaols, and paradols. However, the GC–MS may only identify paradol compounds due to gingerols, shogaols, and paradols are homologous series of phenolic ketones and paradols was more stable than gingerols and shogaols. The yields of gingerols, shogaols, and paradols were 9.12, 3.90, and 4.42 mg/g sample, respectively and affected by extraction temperatures and/or extraction pressures.

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Author Biographies
Maiko Ono

Department of Chemical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

Yukihiro Kawamoto

1 Department of Chemical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

2 Maruboshi Vinegar・Ascii, Food Technology and Biology of Technical Center (M. A .F. T) 2400 Tabara, Kawasaki-machi, Tagawagun, Fukuoka 827–0004, Japan

Chiho Uemori

Department of Chemical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

Wahyu Diono

Maruboshi Vinegar・Ascii, Food Technology and Biology of Technical Center (M. A .F. T) 2400 Tabara, Kawasaki-machi, Tagawagun, Fukuoka 827–0004, Japan

Hideki Kanda

Maruboshi Vinegar・Ascii, Food Technology and Biology of Technical Center (M. A .F. T) 2400 Tabara, Kawasaki-machi, Tagawagun, Fukuoka 827–0004, Japan

Motonobu Goto

Maruboshi Vinegar・Ascii, Food Technology and Biology of Technical Center (M. A .F. T) 2400 Tabara, Kawasaki-machi, Tagawagun, Fukuoka 827–0004, Japan

Published
Vol 21 No 4, Jul 31, 2017
How to Cite
M. Ono, Y. Kawamoto, C. Uemori, W. Diono, H. Kanda, and M. Goto, “Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide”, Engineering Journal (Eng. J.), vol. 21, no. 4, pp. 53-64, Jul. 2017.

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