Extraction of rotundifuran and casticin from chaste tree fruits by near critical liquid carbon dioxide

[Display omitted] ► The chaste tree fruits were extracted in two modes by near critical liquid CO2. ► The extraction time increases significantly when the plant particle size increases. ► The diterpene rotundifuran is extracted selectively from liquid CO2. ► The flavonoid casticin is found in higher...

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Bibliographic Details
Published in:The Journal of supercritical fluids 2013-07, Vol.79, p.123-126
Main Authors: Mele, Altin, Lentz, Harro, Mele, Ardita, Feizlmayr, Elisabeth, Abazi, Sokol, Bauer, Rudolf
Format: Article
Language:English
Subjects:
Casticin
Chaste tree fruit
High pressure extraction
Near critical liquid CO2
Rotundifuran
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Summary:[Display omitted] ► The chaste tree fruits were extracted in two modes by near critical liquid CO2. ► The extraction time increases significantly when the plant particle size increases. ► The diterpene rotundifuran is extracted selectively from liquid CO2. ► The flavonoid casticin is found in higher amounts in n-hexane extracts. In this study we investigated the use of near critical liquid CO2 for the extraction of chaste tree ripe fruits (Vitex agnus-castus L.). Two procedures utilizing near critical liquid CO2 were tested: (1) the extraction of plant material via continuous solvent recycling and (2) the extraction by a Soxhlet-type process via periodic solvent recycling. The results were compared with data obtained from the traditional Soxhlet extraction process using three different solvents, namely n-hexane, dichloromethane, and methanol. Extractions with liquid CO2, recycled in continuous mode, of chaste tree fruits in three sizes: (1)
ISSN:0896-8446
1872-8162
DOI:10.1016/j.supflu.2013.02.008