Supercritical CO2 and subcritical propane extraction of spice red pepper oil with special regard to carotenoid and tocopherol content

V. Illés, H. Daood, P. Biacs, M. H. Gnayfeed, B. Mészáros

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

A study is conducted to optimize the supercritical fluid extraction of spice paprika oil (oleoresin) using supercritical (SF) CO2 and subcritical propane as the solvents. The main focus is on carotenoid and tocopherol composition as the quality attributes of technological and nutritional interest. The maximum oil yield is 7.2 and 8.8 g per 100 g paprika with SF-CO2 and subcritical propane, respectively. For the implementation of complete extraction at the given conditions, the ratio of solvent to solid is found to be 6.0 and 1.0 using SF-CO2 and propane, respectively. The carotenoids, particularly fatty acid esters of red xanthophylls, are hardly solubilized by SF-CO2, whereas with subcritical propane, 80-94% of such components could be mildly extracted. Tocopherols were easy to extract using either fluid, with propane being the most efficient solvent. The result of the impact of extraction conditions on the major carotenoids (such as capsanthin monoester, β-carotene, capsorubin diesters, and capsanthin diesters, as well as α-, β- and γ-tocopherol) are tabulated with special focus on the degree of loss during extraction by the two solvents.

Original languageEnglish
Pages (from-to)345-352
Number of pages8
JournalJournal of Chromatographic Science
Volume37
Issue number9
Publication statusPublished - 1999

Fingerprint

Capsicum
Spices
Propane
Tocopherols
Carotenoids
Oils
lissamine rhodamine B
Xanthophylls
Supercritical Fluid Chromatography
Supercritical fluids
Esters
Fatty Acids
Fluids
Chemical analysis

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Analytical Chemistry

Cite this

Supercritical CO2 and subcritical propane extraction of spice red pepper oil with special regard to carotenoid and tocopherol content. / Illés, V.; Daood, H.; Biacs, P.; Gnayfeed, M. H.; Mészáros, B.

In: Journal of Chromatographic Science, Vol. 37, No. 9, 1999, p. 345-352.

Research output: Contribution to journalArticle

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AU - Mészáros, B.

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