The extraction of β-Carotene from palm mesocarp via green sub-critical carbon dioxide

Abstract

Abstract-This study talks about the experiments involving sub-critical carbon dioxide extraction of palm oil from treated palm mesocarp to determine palm oil yield and concentration of beta-carotene. For comparison, the conventional method of Soxhlet Extraction with six different solvents was used. The overall oil yield was measured as weight of oil per weight of sample, while anti-oxidant activity was determined using 2,2-diphenyl-1-picryihydrazyl radical scavenging method. The sub-critical extraction was conducted at a constant temperature of 30˚C and four different pressures of 10 MPa, 15 MPa, 20 MPa and 25 MPa. The sub-critical extraction produced high concentration of beta-carotene than Soxhlet extraction, even though the oil yield was lower. Furthermore, the anti-oxidant analysis showed a similar trend as the concentration of beta carotene. The best condition of sub-critical extraction was obtained at 25 MPa and 30˚C.

Identification hotspot green house gases emission in supply Chain agroindustry potato chips

“…"Carbon" is often used as an abbreviation for greenhouse gases, because carbon dioxide is the main greenhouse gas emitted by human activities. According to the Intergovernmental Panel on Climate Change (IPCC), climate change refers to any climate change over time due to natural variability or as a result of human activities [2,3]. The scienti ic community has accumulated substantial evidence that the climate is changing [4], as a result of increased concentrations of GHGs in the atmosphere, which are partly caused by human activity.…”