Mini review: application of supercritical carbon dioxide in extraction of propolis extract by Mohd. Idrus, Nor Faadila, Lee, Nian Yian, Idham, Zuhaili, Aris, Noor Aiysah, Putra, Nicky Rahmana, Abdul Aziz, Ahmad Hazim, Che Yunus, Mohd. Azizi

“…It has now become a favourite technique in extraction, fractionation, refinement, and deodorization of natural sample matrices in laboratory scale and industrial scale. Carbon dioxide is an ideal supercritical solvent due to its non-toxic, non-polluting, non-flammable, recoverable and environmentally benign properties. …”
Get full text

Solubility of rosmarinic acid in supercritical carbon dioxide extraction from orthosiphon stamineus leaves by Abdul Aziz, Ahmad Hazim, Mohd. Idrus, Nor Faadila, Nicky Rahmana Putra, Nicky Rahmana Putra, Awang, Mohd. Azrie, Idham, Zuhaili, Mamat, Hasmadi, Che Yunus, Mohd. Azizi

“…The present study used a green extraction method of supercritical carbon dioxide (SCCO2) extraction with the addition of ethanol as a modifier to objectively measure and correlate the solubility of RA from OS leaves. …”
Get full text

Solubilization of eugenol from Piper betle leaves to supercritical carbon dioxide: experimental and modelling by Arsad, Nur Husnina, Nicky Rahmana Putra, Nicky Rahmana Putra, Idham, Zuhaili, Md. Norodin, Nur Salsabila, Che Yunus, Mohd. Azizi, Abdul Aziz, Ahmad Hazim

“…This study proposed to determine the solubilization studies of eugenol in supercritical carbon dioxide from piper bettle leaves. The variables were pressure of 10 MPa–30 MPa, temperature of 40 °C–70 °C and flow rate of 4 mL/min to 8 mL/min. …”
Get full text

Diffusivity optimization of supercritical carbon dioxide extraction with co-solvent-ethanol from peanut skin by Putra, Nicky Rahmana, Abdul Aziz, Ahmad Hazim, Idham, Zuhaili, Ruslan, Muhammad Syafiq Hazwan, Che Yunus, Mohd. Azizi

“…Peanut skin is a waste of industrial peanut butter that contains bioactive compound, which is used as antioxidant, anti-diabetic, anti-cancer, and anti-inflammatory. Supercritical carbon dioxide (SC-CO2) extraction as green technology is applied to extract peanut skin oil. …”
Get full text

Enhancement and optimization of sinensetin extract from orthosiphon stamineus using supercrtitical carbon dioxide extraction by Abdul Aziz, Ahmad Hazim, Che Yunus, Mohd. Azizi, Lee, Nian Yian, Idham, Zuhaili, Rithwan, Fahim, Mohd. Hadzri, Hafizah, Mustapha, Ana Najwa

“…Thus, this study was conducted with objectives to determine suitable modifier for supercritical carbon dioxide (SC-CO2) extraction and to optimize the SC-CO2 extraction condition (pressure, temperature and average particle size) on the concentration of sinensetin. …”
Get full text

Parametric and kinetic study of supercritical carbon dioxide extraction on sinensetin from Orthosiphon stamineus Benth. leaves by Abdul Aziz, Ahmad Hazim, Nicky Rahmana Putra, Nicky Rahmana Putra, Lee, Nian Yian, Mohd. Rasidek, Noor Azwani, Che Yunus, Mohd. Azizi

“…In this study, supercritical carbon dioxide (SC-CO2) extraction was used to improve sinensetin recovery from O. stamineus leaves. …”

Procyanidin and proanthocyanidin extraction from Arachis hypogaea skins by using supercritical carbon dioxide: Optimization and modeling by Nicky Rahmana Putra, Nicky Rahmana Putra, Dwila Nur Rizkiyah, Dwila Nur Rizkiyah, Abdul Aziz, Ahmad Hazim, Siti Machmudah, Siti Machmudah, Jumakir, Jumakir, Waluyo, Waluyo, Che Yunus, Mohd. Azizi

“…To overcome this drawback, supercritical carbon dioxide (ScCO2) extraction is applied to extract the valuable compounds from peanut skin. …”

Supercritical carbon dioxide extraction of sinensetin, isosinensetin, and rosmarinic acid from orthosiphon stamineus leaves: optimization and modeling by Abdul Aziz, Ahmad Hazim, Putra, Nicky Rahmana, Kong, Helen, Che Yunus, Mohd. Azizi

“…One of the favored extraction processes is supercritical carbon dioxide (SC-CO2). SC-CO2 is known as a green method with a high-selectivity process. …”

Extraction of sinensetin, isosinensetin and rosmarinic acid from orthosiphon stamineus leaves using ethanol assisted supercritical carbon dioxide by Abdul Aziz, Ahmad Hazim

Get full text

Extraction rate of valuable compounds from peanut skin waste by ethanol-assisted supercritical carbon dioxide: modelling and optimization by Nicky Rahmana Putra, Nicky Rahmana Putra, Dwila Nur Rizkiyah, Dwila Nur Rizkiyah, Abdul Aziz, Ahmad Hazim, Idham, Zuhaili, Lailatul Qomariyah, Lailatul Qomariyah, Che Yunus, Mohd. Azizi

“…Response Surface Methodology (RSM) was employed to optimize the extraction rate of phenolic and flavonoid contents from peanut skin by supercritical carbon dioxide (ScCO2) assisted by ethanol as entrainer. …”
Get full text

Improvement of extraction and stability of anthocyanins, the natural red pigment from roselle calyces using supercritical carbon dioxide extraction by Idham, Zuhaili, Putra, Nicky Rahmana, Abdul Aziz, Ahmad Hazim, Zaini, Ahmad Syahmi, Mohd. Rasidek, Noor Azwani, Mili, Norlisa, Che Yunus, Mohd. Azizi

“…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 methodology (RSM). …”
Get full text

Supercritical carbon dioxide extraction of hevea brasiliensis seeds: influence of particle size on to oil seed recovery and its kinetic by Lee, Nian Yian, Putra, Nicky Rahmana, Idham, Zuhaili, Mohd. Idrus, Nor Faadila, Abdul Aziz, Ahmad Hazim, Mohd. Setapar, Siti Hamidah, Che Yunus, Mohd. Azizi

“…The aim of this study is to investigate the effect of particle sizes on yield, diffusivity, mass transfer and morphological characterization on extraction rate of rubber seed oil recovery by supercritical carbon dioxide (ScCO2). Pressure 30 MPa, temperature 60 oC and average particle size 500 μm gives the maximum oil recovery (34.71%), diffusivity coefficient (5.13 E-12 m2/s) and extraction rate (0.6 mg/sec). …”
Get full text

Extraction of sinensetin, isosinensetin and rosmarinic acid from orthosiphon stamineus leaves using ethanol assisted supercritical carbon dioxide by Abdul Aziz, Ahmad Hazim

“…Sinensetin, isosinensetin and rosmarinic acid are potent bioactive compounds for human health benefits that can be extracted from Orthosiphon stamineus (O. stamineus) leaves. Supercritical carbon dioxide (SC-CO2) extraction which has emerged as the preferable green solvent for natural products has been employed in the present study. …”
Get full text

Recovery of anthocyanins from Hibiscus sabdariffa L. using a combination of supercritical carbon dioxide extraction and subcritical water extraction by Dwila Nur Rizkiyah, Dwila Nur Rizkiyah, Nicky Rahmana Putra, Nicky Rahmana Putra, Idham, Zuhaili, Abdul Aziz, Ahmad Hazim, Che Yunus, Mohd. Azizi, Ibham Veza, Ibham Veza, Irianto, Irianto, Mamah, Stanley Chinedu, Lailatul Qomariyah, Lailatul Qomariyah

“…The first stage is employing supercritical carbon dioxide (ScCO2) to break the particle surface or outer layer of the roselle based on the total phenolic compounds (TPC) recovery, and the second step was to apply subcritical water extraction (SWE) for the extraction of anthocyanins. …”
Get full text

Influence of particle size in supercritical carbon dioxide extraction of roselle (Hibiscus sabdariffa) on bioactive compound recovery, extraction rate, diffusivity, and solubility by Nicky Rahmana Putra, Nicky Rahmana Putra, Dwila Nur Rizkiyah, Dwila Nur Rizkiyah, Abdul Aziz, Ahmad Hazim, Mamat, Hasmadi, Wan Jusoh, Wan Muhammad Syahir, Idham, Zuhaili, Che Yunus, Mohd. Azizi, Irianto, Irianto

“…The extraction rate of supercritical carbon dioxide in roselle extraction ranged from 5.19 E−03 to 1.35 E−03 mg/s fitted using the Esquivel model. …”
Get full text

Solubility of sinensetin and isosinensetin from cat’s whiskers (orthosiphon stamineus) leaves in ethanol-assisted supercritical carbon dioxide extraction: experimental and modeling by Abdul Aziz, Ahmad Hazim, Putra, Nicky Rahmana, Zaini, Ahmad Syahmi, Idham, Zuhaili, Ahmad, Muhammad Zulhilmi, Che Yunus, Mohd. Azizi

“…In the current study, the solubility of potent bioactive compounds from cat’s whiskers (Orthosiphon stamineus), viz. sinensetin (SIN) and isosinensetin (ISO), is measured in ethanol-assisted supercritical carbon dioxide (SC-CO2). Experiments were conducted at temperature and pressure of 40–80 °C and 10–30 MPa, respectively. …”

Insight into green extraction for roselle as a source of natural red pigments: a review by Dwila Nur Rizkiyah, Dwila Nur Rizkiyah, Nicky Rahmana Putra, Nicky Rahmana Putra, Che Yunus, Mohd. Azizi, Ibham Veza, Ibham Veza, Irianto, Irianto, Abdul Aziz, Ahmad Hazim, Sri Rahayuningsih, Sri Rahayuningsih, Erny Yuniarti, Erny Yuniarti, Ikhwani, Ikhwani

“…Obtaining pure extracts is typically a lengthy procedure requiring many processes. Supercritical carbon dioxide (ScCO2) extraction as a green technology is rapidly improving and extending its application domains. …”
Get full text