2006
DOI: 10.1016/j.chroma.2005.07.113
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Comparison of soxhlet, ultrasound-assisted and pressurized liquid extraction of terpenes, fatty acids and Vitamin E from Piper gaudichaudianum Kunth

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Cited by 97 publications
(45 citation statements)
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“…When compared to stearic acid, the roles are reversed. The percentage of this acid doubles when using petroleum ether instead of ethanol as solvent, rising from 6.5% to 13.3% of C18:0, demonstrating that such behavior may indicate selectivity of a specific solvent for certain fatty acids, which is consistent with Péres et al (2006).…”
Section: Obtaining the Fa Of Sesame Oilsupporting
confidence: 67%
See 1 more Smart Citation
“…When compared to stearic acid, the roles are reversed. The percentage of this acid doubles when using petroleum ether instead of ethanol as solvent, rising from 6.5% to 13.3% of C18:0, demonstrating that such behavior may indicate selectivity of a specific solvent for certain fatty acids, which is consistent with Péres et al (2006).…”
Section: Obtaining the Fa Of Sesame Oilsupporting
confidence: 67%
“…The maximum yield achieved was 58.93% when using ethanol as a solvent and 47.54% for petroleum ether. According to Péres et al (2006), this result can be explained by the greater interaction between unsaturated fatty acids and polar solvents like ethanol, than with non-polar solvents like petroleum ether. The supercritical technique (SFE) achieved the best result (26.47%) when CO 2 and ethanol were used, thus increasing its performance in comparison to extraction without the use of a cosolvent (14.19%).…”
Section: Yield Of the Extractive Processesmentioning
confidence: 99%
“…Anand et al [17] compared three methods including PLE for extracting the bioactive molecules in Hypericum perforatum L. PLE was found to be more effective in extracting caffeine, phytol, palmitic, and stearic acid in mate tea leaves (Ilex paraguariensis) and in shortening the total extraction time and reducing solvent consumption [18], the same conclusions drawn by many other investigators [19][20][21][22]. PLE was also effective in extracting terpenes, fatty acids and Vitamin E [23] as well as giving a high total extract yield [24] but less effective in extracting sterols [25] and caffeine from green tea leaves [26]. PLE can also be combined with heat to further accelerate the extraction process, but concerns over the possible loss of temperature-sensitive compounds such as those phenolic compounds having a greater number of hydroxyl-type substitutes [27] may limit the use.…”
Section: Preparation Of Botanical Samples For Initial Screening Testssupporting
confidence: 54%
“…wskazują także na rozbieżność wyników w oznaczaniu zawartości substancji przeciwutleniających przy ekstrak cji roślin z rodziny pieprzowatych z wykorzystaniem apa ratu Soxhleta oraz łaźni ultradźwiękowej. Według ich oceny zawartość witaminy E, będącej cennym przeciw utleniaczem, była zróżnicowana w zależności od użytej metody pozyska nia wyciągów [33]. Natomiast Bimakr i wsp.…”
Section: Dyskusjaunclassified