Supercritical carbon dioxide extraction of sea buckthorn (Hippophae rhamnoides L.) pomace

Dániel Cossuta, B. Simándi, J. Hohmann, Fruzsina Doleschall, Tibor Keve

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

BACKGROUND: The goal of this work was to utilize the sea buckthorn pomace, which is the by-product of a sea buckthorn juice process. Pilot plant supercritical fluid extraction (SFE) experiments were performed in a 5 x 10 -3 m3 volume high-pressure vessel. The effects of pressure and temperature on extraction yield and recoveries of biologically active components were studied using a 32 full factorial design. The pressure and temperature were varied over the ranges of 30-46 MPa and 313-353 K, respectively. The extract samples were analysed by TLC-densitometry, UV/VIS spectrofotometry and HPLC methods. RESULTS: The obtained yields changed between 142-164 g kg-1, according to the solvent power of the supercritical fluid. The recoveries of the different minor components were (g minor components kg-1 dried raw material): 2.50-4.25 sitosterol, 0.20-1.60 ursolic acid, 0.04-0.18 carotenoid, 0.35-0.42 total tocopherol. CONCLUSION: By evaluation the designed experiments 46 MPa and 333 K were chosen as the optimum conditions.

Original languageEnglish
Pages (from-to)2472-2481
Number of pages10
JournalJournal of the Science of Food and Agriculture
Volume87
Issue number13
DOIs
Publication statusPublished - Oct 2007

Fingerprint

Hippophae
Hippophae rhamnoides
pomace
Supercritical fluids
Carbon Dioxide
carbon dioxide
Pressure
Recovery
Tocopherols
Carotenoids
Pressure vessels
Pilot plants
Supercritical Fluid Chromatography
Byproducts
ursolic acid
Raw materials
supercritical fluid extraction
Temperature
sitosterols
densitometry

Keywords

  • Carotenoids
  • Hippophae rhamnoides
  • Sea buckthorn
  • Sitosterol
  • Supercritical fluid extraction
  • Tocopherols
  • Ursolic acid

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Food Science
  • Chemistry (miscellaneous)

Cite this

Supercritical carbon dioxide extraction of sea buckthorn (Hippophae rhamnoides L.) pomace. / Cossuta, Dániel; Simándi, B.; Hohmann, J.; Doleschall, Fruzsina; Keve, Tibor.

In: Journal of the Science of Food and Agriculture, Vol. 87, No. 13, 10.2007, p. 2472-2481.

Research output: Contribution to journalArticle

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