Related Experiment Videos
Supercritical CO2 extraction of candlenut oil: process optimization using Taguchi orthogonal array and
Erna Subroto1, Edward Widjojokusumo1, Bambang Veriansyah1
1Advanced Technology Development, Dexa Laboratories of Biomolecular Sciences (DLBS), PT Dexa Medica, Industri Selatan V, Block PP No. 7, Jababeka Industrial Estate II, Cikarang, West Java 17550 Indonesia.
Abstract:
A series of experiments was conducted to determine optimum conditions for supercritical carbon dioxide extraction of candlenut oil. A Taguchi experimental design with L9 orthogonal array (four factors in three levels) was employed to evaluate the effects of pressure of 25-35 MPa, temperature of 40-60 °C, CO2 flow rate of 10-20 g/min and particle size of 0.3-0.8 mm on oil solubility. The obtained results showed that increase in particle size, pressure and temperature improved the oil solubility. The supercritical carbon dioxide extraction at optimized parameters resulted in oil yield extraction of 61.4% at solubility of 9.6 g oil/kg CO2. The obtained candlenut oil from supercritical carbon dioxide extraction has better oil quality than oil which was extracted by Soxhlet extraction using n-hexane. The oil contains high unsaturated oil (linoleic acid and linolenic acid), which have many beneficial effects on human health.