Results 31 to 40 of about 75,510 (295)

Influence of supercritical fluid extraction on lignocellulosic plant matrix and extractive substance yield

open access: yesActa Biologica Sibirica, 2022
Natural substances of plant origin are widely used in pharmacies. However, the quantitative content of biologically active substances in plant cells is insignificant and the currently available extraction methods do not allow for the complete extraction ...
Alexandra V. Zakharchenko   +1 more
doaj   +1 more source

Critical review of supercritical carbon dioxide extraction of selected oil seeds [PDF]

open access: yes, 1992
Supercritical carbon dioxide extraction, as a relatively new separation technique, can be used as a very efficient process in the production of essential oils and oleoresins from many of plant materials.
Hippler, Michael, Pfab, Josef
core   +1 more source

Characterization of grape seed oil extracted by supercritical carbon dioxide

open access: yesGrasas y Aceites, 1995
In this work the quality of grape seed oil obtained by extraction with supercritical carbon dioxide was studied. At the optimun operating conditions (313 K and 25 MPa), the yield of supercritical extraction is similar to the conventional extraction by ...
A. Molero Gómez   +2 more
doaj   +1 more source

Subcritical liquified dimethyl ether and supercritical fluid carbon dioxide extraction of gamma oryzanol from rice bran acid oil

open access: yesJournal of Agriculture and Food Research, 2023
Gamma oryzanol (γ-oryzanol) is a bioactive compound in rice bran acid oil, a by-product of the rice bran oil refining process that possesses various pharmacological properties.
Sudthida Kamchonemenukool   +3 more
doaj   +1 more source

Sub and Supercritical Decontamination of Oil-Based Drill Cuttings: A Review [PDF]

open access: yesEnvironmental Energy and Economic Research, 2019
Drill mud is a fluid which is used in oil extraction industries in order to cool and lubricate the drill bit. Due to containing numerous toxic components, it is considered as a hazardous waste which must be treated before discharging to the environment ...
Shahriar Motamedimehr, Saeid Gitipour
doaj   +1 more source

Features and Advantages of Supercritical CO2 Extraction of Sea Cucumber Cucumaria frondosa japonica Semper, 1868

open access: yesMolecules, 2020
Extraction process of Cucumaria frondosa japonica Semper, 1868, which are subspecies of Cucumaria frondosa (Gunnerus, 1767), were studied. It was shown that supercritical carbon dioxide extraction of holothuria was more effective than conventional ...
Alexander Zakharenko   +12 more
doaj   +1 more source

Supercritical fluids in separation and purification: A review

open access: yesMaterials Science for Energy Technologies, 2019
The properties of the supercritical fluid near the critical point can be changed by varying the pressure and temperature, allowing selective and faster extraction.
Sampatrao D. Manjare, Kabir Dhingra
doaj   +1 more source

The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II: Empirical Methods to Remove Castor Oil and Suggestions for Redating [PDF]

open access: yes, 2009
While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments.
Doudna, Gregory   +7 more
core   +3 more sources

Optimization of Antifungal Properties of Hop Cone Carbon Dioxide Extracts Based on Response Surface Methodology

open access: yesMolecules
Response surface methodology (RSM) was employed to optimize the process parameters of the supercritical carbon dioxide extraction of hop cones in terms of their antifungal properties against Fusarium culmorum and Aspergillus niger.
Katarzyna Tyśkiewicz   +4 more
doaj   +1 more source

Inactivation of Salmonella , Listeria monocytogenes and Escherichia coli O157:H7 inoculated on coriander by freeze-drying and supercritical CO 2 drying [PDF]

open access: yes, 2018
Coriander, either fresh or inoculated with three strains of Escherichia coli O157:H7, Salmonella or Listeria monocytogenes, was treated with supercritical CO2 (scCO(2), with and without drying) or freeze-dried.
Bourdoux, Siméon   +8 more
core   +3 more sources

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