10.6084/m9.figshare.11705475.v1 Ryunosuke Mitani Ryunosuke Mitani Hiroyuki Tashiro Hiroyuki Tashiro Eito Arita Eito Arita Kento Ono Kento Ono Masashi Haraguchi Masashi Haraguchi Shinichi Tokunaga Shinichi Tokunaga Tanjina Sharmin Tanjina Sharmin Taku Michael Aida Taku Michael Aida Kenji Mishima Kenji Mishima Extraction of nobiletin and tangeretin with antioxidant activity from peels of <i>Citrus poonensis</i> using liquid carbon dioxide and ethanol entrainer Taylor & Francis Group 2020 Citrus poonensis liquid carbon dioxide extraction polymethoxyflavones supercritical carbon dioxide extraction ultrasonic irradiation 2020-01-24 03:03:13 Journal contribution https://tandf.figshare.com/articles/journal_contribution/Extraction_of_nobiletin_and_tangeretin_with_antioxidant_activity_from_peels_of_i_Citrus_poonensis_i_using_liquid_carbon_dioxide_and_ethanol_entrainer/11705475 <p>Extraction of nobiletin and tangeretin from peels of <i>Citrus poonensis</i> was conducted with liquid CO<sub>2</sub> and ethanol entrainer. Yields of nobiletin (6.7 mg/g-dry peel) and tangeretin (4.4 mg/g-dry peel) for liquid CO<sub>2</sub> with ethanol entrainer extractions (25ºC, 10 MPa, 60 min with CO<sub>2</sub>-ethanol mole fraction of 0.13) gave 24% and 19% higher yields compared to conventional ethanol extraction. The DPPH radical scavenging activity of the extracts obtained from liquid CO<sub>2</sub> with ethanol entrainer showed to be similar to ascorbic acid and α-tocopherol.</p>