Study on Supercritical Extraction and Analysis of Phospholipids from Sesame Oil Residue Sesame oil residue was used as raw material to extract sesame phospholipid. Referring to GB/T 5537-2008 Determination of Phospholipid Content in Cereal Oil Inspection, an optimized molybdenum blue colorimetric method was used to establish the analysis method of phospholipid. The content of phospholipid […]
Month: June 2019
Comparison of Supercritical and Subcritical Extraction of Volatile Components from Mentha australis
Comparison of Supercritical and Subcritical Extraction of Volatile Components from Mentha australis The volatile components of mint were extracted by supercritical carbon dioxide and subcritical butane extraction, and analyzed by GC-MS. The results showed that the yield of supercritical CO2 extraction was 2.5% and that of subcritical butane extraction was 1.4%. The GC-MS analysis of […]
Study on Supercritical CO2 Fluid Extraction of Tussah Male Moth Oil
Study on Supercritical CO2 Fluid Extraction of Tussah Male Moth Oil Supercritical CO2 fluid extraction technology and equipment were used to extract the oil from male tussah moth. Four factors and three levels of orthogonal experiment were used to study the effects of extraction pressure, temperature, time and CO2 flow rate on the extraction rate […]
Supercritical Extraction of Essential Oil from Lemon Grass and Analysis of Its Chemical Constituents
Supercritical Extraction of Essential Oil from Lemon Grass and Analysis of Its Chemical Constituents Supercritical CO2 was used to extract essential oil from lemon grass, and L9 (34) orthogonal test table was designed to optimize the extraction conditions. The results showed that the highest yield of lemon grass essential oil was 4.81% under the conditions […]
GC-MS Analysis of Chemical Constituents in Supercritical Extracts of Amomum villosum
GC-MS Analysis of Chemical Constituents in Supercritical Extracts of Amomum villosum OBJECTIVE To study the chemical constituents of supercritical CO2 extract from Amomum villosum. METHODS The volatile oil of Amomum villosum was extracted by supercritical CO2 fluid extraction, and its components were determined by gas chromatography-mass spectrometry (GC-MS). The separated compounds were identified by computer […]
Supercritical CO2 Extraction of Flavonoids from Apocynum venetum and Its Antimicrobial Activity
Supercritical CO2 Extraction of Flavonoids from Apocynum venetum and Its Antimicrobial Activity In order to solve the problem of waste of flavonoids in Apocynum venetum fibers by traditional degumming process, the Apocynum venetum fibers were pretreated by supercritical degumming, and the effective components of flavonoids were extracted by supercritical CO2. Four main factors affecting the […]
Study on Supercritical Extraction of Volatile Oil from Radix Notopterygii and Its Inhibition of Tyrosinase Activity
Study on Supercritical Extraction of Volatile Oil from Radix Notopterygii and Its Inhibition of Tyrosinase Activity The extraction process of volatile oil from Radix Notopterygii was optimized by supercritical fluid extraction, and its whitening activity was studied. On the basis of single factor experiment and taking the yield of extract as the evaluation index, the […]
Study on Supercritical Carbon Dioxide Extraction Technology of Maotai Distiller’s Grains
Study on Supercritical Carbon Dioxide Extraction Technology of Maotai Distiller’s Grains The optimum technological conditions for supercritical carbon dioxide extraction of aroma-producing substances from Maotai distiller’s grains were obtained by single factor and orthogonal experiments. Through validation tests, it was determined that the extraction rate was the highest under the conditions of loading coefficient 0.5, […]
Extraction of Wild Rosa davurica Seed Oil by Supercritical CO2
Extraction of Wild Rosa davurica Seed Oil by Supercritical CO2 Using wild Rosa davurica seeds as raw materials, a quadratic polynomial mathematical model of the yield of oil from wild Rosa davurica seeds extracted by supercritical CO2 was established by using response surface analysis method through improving the existing supercritical CO2 extraction equipment, and the […]
Progress in Supercritical Fluid Extraction of Oil Products
Progress in Supercritical Fluid Extraction of Oil Products Based on the physical properties and transfer characteristics of supercritical fluid, the unique advantages of supercritical fluid as a solvent for separation and extraction were analyzed, and the suitable substances for supercritical fluid extraction were introduced. Typical industrial applications of supercritical extraction technology in petrochemical products are […]