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Soybean oil, hydrogenated Basic information
Product Name: Soybean oil, hydrogenated
Synonyms: Soybean oil, hydrogenated;HYDROGENATED SOYBEAN OIL;Soya bean glyceride, hydrogenated;PARTIALLYHYDROGENATEDSOYBEANOIL;HYDROGENATEDSOYABEANOIL;HYDROGENATEDSOYAOIL;HIGHLYHYDROGENATEDSOYBEANOIL;HYDROGENATEDSOYAFAT
CAS: 8016-70-4
MF:
MW: 0
EINECS: 232-410-2
Product Categories:
Mol File: Mol File

Identify the chromatograms recorded under the fatty acid composition, the retention time of the methyl palmitate, methyl stearate peak in the test solution should be consistent with the corresponding reference substance retention time.
Determination of fatty acid composition: Hydrogenated soybean oil mainly contains palmitic acid and stearic acid, and the remaining six kinds of fatty acids are required to control the impurities, including stearic acid and oleic acid are 18 carbon atoms of fatty acids, both in the column In the retention time is relatively close, not easy to separate, the detection method of the European Pharmacopoeia potassium hydroxide methanol saponification extraction, the use of 14% boron trifluoride methanol solution back to the test process of potassium hydroxide methanol saponification of the test product was foam, Difficult to separate and extract. At present, the test method used in Chinese Pharmacopoeia is boron trifluoride as esterification agent, and the fatty acid composition of hydrogenated soybean oil is determined by gas chromatography and temperature programmed. Results Eight kinds of fatty acids could be separated within 20 min. The linearity, precision and reproducibility were good. This method is simple and quick and can be used for the determination of fatty acid composition in hydrogenated soybean oil.
Trans fatty acid [3] refined soybean oil mainly polyunsaturated fatty acids, trans fatty acids less, mostly trans-18 carbon soybean oil polyene fatty acids; hydrogenated soybean oil polyunsaturated fatty acid content was significantly reduced, Trans fatty acid content increased significantly, about 10 times the content of trans fatty acids in refined soybean oil, mostly trans-octadecene mono-olefin fatty acid-based. CP-Seil 88 GC-Capillary Column Gas Chromatography was used for the qualitative and quantitative analysis of cis, trans-isomeric and positional isomeric fatty acids in refined and hydrogenated soybean oil and baseline separation of their major cis- and trans-fatty acids , For a variety of positional heterogeneous fatty acids also achieved a better separation
Nickel [4] hydrogenated soybean oil is not added preservatives, antioxidants, hydrogen used in the hydrogenation process as a catalyst, therefore, the quality standard of nickel residues to be controlled. Reference to the Chinese Pharmacopoeia Appendix Ⅳ D atomic absorption spectrophotometry second method standard addition method. Preparation of the test solution: Take hydrogenated soybean oil 5.0g, to the crucible, slowly heated to charring, 600 ℃ burning to white ashes, cooling, dilute hydrochloric acid twice, each 2mL wash the residue to 25mL volume 241 flask, add 0.3mL nitric acid dissolved, diluted with water to the mark. Control solution (main standard solution) preparation: Precise amount of standard nickel solution, diluted with water to 100μg / L. Take 0.0,1.0,2.0,3.0mL each added to the test solution 2.0mL, diluted with water to 10.0mL. The determination method can be graphite furnace atomic absorption spectrometry, Zeeman background correction, standard addition method to determine the optimization of the drying time and ashing temperature, simple operation, the results of stable and accurate, high sensitivity, which can effectively control the quality of the pharmaceutical excipients .
The use of tablets and capsules lubricants, the use of the concentration of 1-6%, often with talc common, can also be hot melt in liquid paraffin sprayed on dry particles to use; in the production of tablets can also be used as auxiliary sticky mixture.
Skeleton materials, commonly used in lipophilic controlled release formulation systems, can also be used as a coating adjuvant in controlled release formulations. Hydrogenated soybean oil can be used as a viscosity modifier for oily liquid formulations or semi-solid formulations.
Fillers are used in liquid, semi-solid fillings of gelatin hard capsules, in soft capsule preparations.
Lubricating oil [5] uses the third-grade soybean oil as the raw material and applies the supercritical CO2 fluid to the hydrogenation reaction. No organic solvent is added during the experiment, and is a "green and environmentally friendly" preparation method. The optimal conditions for the preparation of lubricating base oil from soybean oil under supercritical CO2 conditions were as follows: the dosage of Pd / C catalyst was 0.06%, the reaction time was 45 min, the reaction temperature was 50 ℃ and the pressure of CO2 was 5.5 MPa, adding hydrogen to the total pressure of 9 MPa, stirring speed of 200 r / min. Under these conditions, the hydrogenated soybean oil had an iodine value (I) of 88.20 g / 100 g and a viscosity of 9.89 Pa • s. The peroxide value was 5.6 mmol / kg and the acid value (KOH) was 0.68 mg / g. The production of lubricants can be used in food processing materials and lubricants have direct contact with the site is a renewable, green lubricants.