2015
DOI: 10.3311/ppch.7582
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Comparison the Soxhlet and Supercritical Fluid Extraction of Nettle Root (Urtica dioica L.)

Abstract: The leaves of stinging nettle (Urtica dioica L.)

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Cited by 8 publications
(7 citation statements)
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“…Maceration with EtOH resulted in a significantly higher yield of total phenols than MeOH ( p = 0.000064), but no significant changes were observed compared to the Soxhlet-EtOH method ( p = 0.78). Compared with the lowest yield of total phenols obtained by the SFE method, which is in agreement with the literature [ 45 , 46 ], the ultrasound-assisted extraction gave the highest yield (145.9 GAE), which is also in agreement with previous studies [ 47 , 48 ]. Moreover, the antioxidative properties measured by the DPPH assay correlated highly with the total phenolic content ( p = 0.005) [ 49 , 50 ].…”
Section: Resultssupporting
confidence: 92%
See 1 more Smart Citation
“…Maceration with EtOH resulted in a significantly higher yield of total phenols than MeOH ( p = 0.000064), but no significant changes were observed compared to the Soxhlet-EtOH method ( p = 0.78). Compared with the lowest yield of total phenols obtained by the SFE method, which is in agreement with the literature [ 45 , 46 ], the ultrasound-assisted extraction gave the highest yield (145.9 GAE), which is also in agreement with previous studies [ 47 , 48 ]. Moreover, the antioxidative properties measured by the DPPH assay correlated highly with the total phenolic content ( p = 0.005) [ 49 , 50 ].…”
Section: Resultssupporting
confidence: 92%
“…No such correlation was found. These results indicate that more complex yet unknown effects are present in such complex extracts, and further analysis would be necessary to fully understand the phenomena governing such processes [ 45 , 46 ].…”
Section: Resultsmentioning
confidence: 99%
“…In the current study, SFE yielded relatively small amount of Aquilaria malaccensis leaf extract compared to the conventional Soxhlet method using ethanol and hexane. The result is consistent with a similar study in literature that aimed to compare the yields of the Soxhlet and SFE methods of Nettle Root (Urtica dioica L.), and it was recognized that the highest yield percentage was attained by Soxhlet extraction with ethanol (14.14%), followed by Soxhlet extraction by n-Hexane (0.768%), while the supercritical extraction has a lower yield (0.537%) [27]. Similarly, 70% ethanol soxhlet extraction showed a higher crude extract yield percentage (8.58%) compared to the SFE extraction (0.2%) in extracting spearmint (Mentha spicata L.) leaves [25].…”
Section: A Yield Of Aquilaria Malaccensis Leaf Extractssupporting
confidence: 91%
“…Soxhlet extraction is a conventional method to extract compound from herbs and plants. The benefits of soxhlet extraction are that this process exhausts the extraction process which gives a high amount of yield as compared with other methods, but soxhlet extraction contains low quality of extract because compound inside of the extract is degraded due to the high temperature of extraction (Al Juhaimi & Özcan, ; De Castro & Garcıa‐Ayuso, ; Hasmida et al, ; Koszegi, Vatai, & Békássy‐Molnár, ; Mandana et al, ). The objective of the study was to learn and compare the effect of particle size on the modified supercritical carbon dioxide and soxhlet extraction in terms of oil yield and antioxidant activity.…”
Section: Introductionmentioning
confidence: 99%