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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) |
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