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Influence of particle size in supercritical carbon dioxide extraction of roselle (Hibiscus sabdariffa) on bioactive compound recovery, extraction rate, diffusivity, and solubility

Putra NR 1 , Rizkiyah DN 1 , Aziz AHA 2 , Mamat H 2 , Jusoh WMSW 1 , Idham Z 1 Show all authors , Yunus MAC 3 , Irianto I 4

Affiliations 

  • 1 Centre of Lipid Engineering and Applied Research (CLEAR), Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, UTM Johor Bahru Campus, 81310, Johor Bahru, Malaysia
  • 2 Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, 88400, Kota Kinabalu, Malaysia
  • 3 Centre of Lipid Engineering and Applied Research (CLEAR), Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, UTM Johor Bahru Campus, 81310, Johor Bahru, Malaysia. r-azizi@utm.my
  • 4 Department General Education, Faculty of Resilience, Rabdan Academy, Abu Dhabi, United Arab Emirates
Sci Rep, 2023 Jul 05;13(1):10871.
PMID: 37407592 DOI: 10.1038/s41598-023-32181-8

Abstract

The purpose of this work was to establish the best particle size for recovering high yields of total phenolic compounds (TPC), total anthocyanin compounds(TAC) and total flavonoid compounds (TFC) from roselle (Hibiscus sabdariffa) by applying supercritical carbon dioxide (ScCO2). The extraction rate, diffusivity and solubility of yield in ScCO2 were also studied and calculated utilizing models. Pressure (10 and 30 MPa), temperature (40 and 60 °C), and particle size (250 µm 

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