Edible oils as a co-extractant for the supercritical carbon dioxide extraction of flavonoids from propolis

Propolis is a good source for flavonoids, however, their recovery is challenging, as it is a waxy material. This study investigated edible oils virgin coconut oil (VCO), corn oil (CO), and ghee (G) as co-extractants for the supercritical carbon dioxide (scCO2) extraction of flavonoids from the propo...

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Veröffentlicht in:PloS one 2022-04, Vol.17 (4), p.e0266673-e0266673
Hauptverfasser: Pattiram, Parveen Devi, Abas, Faridah, Suleiman, Norhidayah, Mohamad Azman, Ezzat, Chong, Gun Hean
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creator Pattiram, Parveen Devi
Abas, Faridah
Suleiman, Norhidayah
Mohamad Azman, Ezzat
Chong, Gun Hean
description Propolis is a good source for flavonoids, however, their recovery is challenging, as it is a waxy material. This study investigated edible oils virgin coconut oil (VCO), corn oil (CO), and ghee (G) as co-extractants for the supercritical carbon dioxide (scCO2) extraction of flavonoids from the propolis. The extraction of flavonoids using 20% VCO as co-extractant with scCO2 (25 g/min) for 210 min at 150 bar and 50°C was found to be the most appropriate, yielding a total flavonoid content (TFC) of 11.7 mg/g and 25% TFC recovery. At a higher temperature (60°C) and pressure (250 bar and 350 bar), the propolis became softer and compressed causing the extractions to retrograde. The extraction curves correlated to the diffusion model with 1.6% (AARD). The matrix diffusivities increased from 4.7 × 10-11 m2/s (scCO2) to 6.9 × 10-11-21.4 × 10-11 m2/s upon the addition of edible oils. Thus, edible oils could be used with scCO2 to improve the flavonoid extraction from propolis.
doi_str_mv 10.1371/journal.pone.0266673
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subjects Bioflavonoids
Biology and Life Sciences
Carbon Dioxide
Chemical properties
Chromatography, Supercritical Fluid
Coconut oil
Content analysis
Diffusion models
Edible oils
Ethanol
Extractants
Flavones
Flavonoids
Food science
High temperature
Hydrochloric acid
Moisture content
Oils
Oils & fats
Oils and fats, Edible
Physical Sciences
Plant Oils
Propolis
Proteins
Recovery
Research and Analysis Methods
Seeds
Solvents
Soybeans
Vegetable oils
title Edible oils as a co-extractant for the supercritical carbon dioxide extraction of flavonoids from propolis
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