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Extraction of Citrus Flavonoids from Peel of Citrus Junos Using Supercritical Carbon Dioxide with Polar Solvent

Takuya Suetsugu, Hideo Iwai, Masahiro Tanaka, Munehiro Hoshino, Armando Quitain, Mitsuru Sasaki, Motonobu Goto

Chemical Engineering and Science. 2013, 1(4), 87-90 doi:10.12691/ces-1-4-7
  • Figure 1. Structural illustrations of some flavonoids of Yuzu peel
  • Figurer 2. Schematic diagram of SC-CO2 extraction apparatus with line for co-solvent
  • Figure 3. HPLC chromatograms of extract for SC-CO2 with co-solvent (a) and conventional organic solvent (b) and standard substances (c)
  • Figure 4. Effect of water content on SC-CO2 extraction of various flavonoids (a) Naringin, (b) Hesperidin, (c) Phloretin and (d) Tangeretin
  • Figure 5. Effect of temperature on the yield of various flavonoids in SC-CO2 extraction with water (a) Naringin, (b) Hesperidin, (c) Phloretin, (d) Tangeretin