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2014 (Vol. 6, Issue: 1)
Article Information:

Supercritical Fluid Extraction of Flavonoids from Dandelion

Wu Jun, Luojun and Shao Rong
Corresponding Author:  Shao Rong 

Key words:  Dandelion, orthogonal design, Supercritical Fluid Extraction (SFE), total flavonoids, , ,
Vol. 6 , (1): 97-101
Submitted Accepted Published
September 09, 2013 September 27, 2013 January 10, 2014

In this study, the total flavonoids from dandelion was extracted by supercritical CO2 and the total flavonoids content in the extract was investigated by the sodium nitrite-aluminum nitrate method with Rutin as a standard product. Single-factor experiments were carried out to map the effects of extraction pressure, temperature, time and entrainer amount on the yield of flavonoids. The orthogonal experiments on the optimum technology parameters demonstrated that the influence of the experimental conditions over the yield from high to low was: (a) pressure, (b) temperature, (c) entrainer amount, (d) time. The optimization result showed that under the conditions of 50C, 35 MPa, 80 min and 4.0 mL/g entrainer amount, the yield of the preparative supercritical fluid extraction was 4.974%.
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  Cite this Reference:
Wu Jun, Luojun and Shao Rong, 2014. Supercritical Fluid Extraction of Flavonoids from Dandelion.  Advance Journal of Food Science and Technology, 6(1): 97-101.
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ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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