2000
DOI: 10.1590/s0104-66322000000300009
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Special features of SCF solid extraction of natural products: deoiling of wheat gluten and extraction of rose hip oil

Abstract: Supercritical CO2 extraction has shown great potential in separating vegetable oils as well as removing undesirable oil residuals from natural products. The influence of process parameters, such as pressure, temperature, mass flow and particle size, on the mass transfer kinetics of different natural products has been studied by many authors. However, few publications have focused on specific features of the raw material (moisture, mechanical pretreatment, bed compressibility, etc.), which could play an importa… Show more

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Cited by 31 publications
(28 citation statements)
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“…This tendency towards agglomeration depends not only on particle size, but also on moisture content (Eggers et al, 2000) and possibly process temperature. This tendency to agglomeration has been explained as being due to the glass-rubber transition of amorphous food powders, where caking is being caused by the difference between process temperature and the glass transition temperature (T g ) of the material (T g decreases as the moisture content increases) (Aguilera et al, 1995).…”
Section: Discussionmentioning
confidence: 99%
“…This tendency towards agglomeration depends not only on particle size, but also on moisture content (Eggers et al, 2000) and possibly process temperature. This tendency to agglomeration has been explained as being due to the glass-rubber transition of amorphous food powders, where caking is being caused by the difference between process temperature and the glass transition temperature (T g ) of the material (T g decreases as the moisture content increases) (Aguilera et al, 1995).…”
Section: Discussionmentioning
confidence: 99%
“…It has been possible to use SFE for extraction and fractionation of bioactive compounds from edible oils and fats; purification of solid matrices; separation of tocopherols and other antioxidants; clean-up of herbal medicines and food products from pesticides; detoxification of shellfish and concentration of fermentation broth, fruit juices and many others (Eggers et al 2000;Lang & Wai 2001).…”
Section: Herbal Nanoformulationsmentioning
confidence: 99%
“…Native to the Mediterranean region and Central Europe, was brought to South America by Spanish colonizers, and grows in south and central Chile [6] as a wild plant, beneath dry soils agricultural value [7].…”
Section: Introductionmentioning
confidence: 99%