Improvement of extraction and stability of anthocyanins, the natural red pigment from roselle calyces using supercritical carbon dioxide extraction

• Main Authors: Idham, Zuhaili, Putra, Nicky Rahmana, Abdul Aziz, Ahmad Hazim, Zaini, Ahmad Syahmi, Mohd. Rasidek, Noor Azwani, Mili, Norlisa, Che Yunus, Mohd. Azizi
• Format: Article
• Language: English
• Published: Elsevier Ltd. 2022
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/103041/1/AhmadSyahmiZaini2022_ImprovementofExtractionandStabilityofAnthocyanins.pdf; http://eprints.utm.my/103041/; http://dx.doi.org/10.1016/j.jcou.2021.101839

In this work, anthocyanins, a natural red pigment, were isolated from roselle calyces using supercritical carbon dioxide (SC-CO2). Three process conditions, namely pressure, temperature, and co-solvent ratio (ethanol-water), were investigated using a three-factorial design from response surface meth...