Supercritical CO2 Extraction of Cannabinol from Hemp and Its Antibacterial Activity Supercritical CO2 extraction of cannabinol from hemp was established, and the antimicrobial properties of the extracts were investigated. Through the analysis of single factor and orthogonal test, the optimum extraction process of three cannabinoids from hemp by supercritical CO2 was determined: extraction temperature 45 […]
Month: June 2019
Study on Supercritical CO2 Extraction of Polyphenols from Corn Silk and Its Antioxidant Activity
Study on Supercritical CO2 Extraction of Polyphenols from Corn Silk and Its Antioxidant Activity Supercritical CO2 was used to extract polyphenols from corn silk. On the basis of single factor experiments on the effects of extraction pressure, extraction temperature, extraction time and entrainer ethanol concentration on the amount of polyphenols extracted from corn silk, the […]
Rapid Detection of Four Aflatoxins in Cereals by Supercritical Extraction-Supercritical Chromatography-Tandem Mass Spectrometry
Rapid Detection of Four Aflatoxins in Cereals by Supercritical Extraction-Supercritical Chromatography-Tandem Mass Spectrometry A method for the determination of aflatoxin in cereals by supercritical extraction-supercritical chromatography-tandem mass spectrometry was established. Methods the samples were extracted with supercritical CO2- methanol (98: 2, V/V) as extractant. The supercritical CO2 and methanol were used as mobile phase gradient […]
Preliminary Study on Supercritical Extract of Aspergillus Niger Inhibiting Alternaria
Preliminary Study on Supercritical Extract of Aspergillus Niger Inhibiting Alternaria The mechanism of inhibition of Alternaria alternata by supercritical extraction (SE) from Aspergillus Niger mycelium was studied. Sample SE was extracted from Aspergillus Niger mycelium by supercritical fluid extraction, and its extract was separated and identified by gas chromatography-mass spectrometry (GC-MS). The antimicrobial mechanism of […]
Test On Treatment Of Oil-based Drilling Cutting By Supercritical CO2 Extraction
Test On Treatment Of Oil-based Drilling Cutting By Supercritical CO2 Extraction A process of treating oil-based drilling cuttings by supercritical CO2 extraction was studied. The basic principle and process flow of the process were introduced. A test device was established. The process of treating oil-based drilling cuttings by supercritical CO2 extraction was studied in laboratory. […]
A comparative study of different extracts of Coptis chinensis on type 2 diabetic rats
A comparative study of different extracts of Coptis chinensis on type 2 diabetic rats OBJECTIVE To compare the contents of effective components in different extracts of Coptis chinensis and their therapeutic effects on type 2 diabetic rats, and to explore the correlation between the contents of main components and their therapeutic effects. METHODS: The contents […]
Comparison Of Low Polar Volatile Components From Supercritical CO2 Extracts From Roots And Stems Of Gangmei And Their Effects On Proliferative Activity Of Iec-6 Cells
Comparison Of Low Polar Volatile Components From Supercritical Co_2 Extracts From Roots And Stems Of Gangmei And Their Effects On Proliferative Activity Of Iec-6 Cells To compare the effects of low polar volatile constituents from supercritical CO2 extracts from roots and stems of Gangmei on the proliferation of IEC-6 cells in rat small intestinal recess […]
Supercritical CO2 Extraction of Jasmine Bud Essential Oil and Its Antioxidant Activity
Supercritical CO2 Extraction of Jasmine Bud Essential Oil and Its Antioxidant Activity To study the optimum technology and antioxidant activity of extracting essential oil from Jasmine buds by supercritical CO2 extraction, and realize the comprehensive utilization of resources. The effects of entrainer dosage, particle size of raw materials, extraction pressure, extraction temperature and dynamic extraction […]
Supercritical CO2 Extraction of Zanthoxylum bungeanum Oil
Supercritical CO2 Extraction of Zanthoxylum bungeanum Oil The optimum extraction conditions of Zanthoxylum bungeanum oil by supercritical CO2 were studied. The effects of extraction temperature, pressure and time on the extraction rate of Zanthoxylum bungeanum oil were investigated by single factor experiments, and the response surface methodology was used to optimize the extraction rate. The […]
Effect of Acorus tatarinowii Supercritical Extract on Behavior of Depression Model Rats
Effect of Acorus tatarinowii Supercritical Extract on Behavior of Depression Model Rats To investigate the effects of supercritical extract of Acorus tatarinowii on behavior of depression model rats. Methods 80 successful rats were divided into model group, low-dose group, middle-dose group and high-dose group according to different experimental treatment methods. Each group consisted of 20 […]