Journal of the American Oil Chemists' Society
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Determination of sulfur contents of vegetable and marine oils by ion chromatography and indirect ultraviolet photometry of their combustion products
Journal of the American Oil Chemists' Society - Tập 65 - Trang 1526-1530 - 1988
A simple method for the determination of total sulfur content in vegetable and marine oils is described. The method involves combustion of the oil sample in an oxygen bomb to convert all forms of sulfur to sulfate ions with subsequent determination of the sulfate by ion chromatography and indirect ultraviolet detection. The ultraviolet system described is more sensitive than conductivity detection......
The chemical composition of California olive oil
Journal of the American Oil Chemists' Society - Tập 2 - Trang 40-44 - 1925
Effect of fatty acid positional distribution and triacylglycerol composition on lipid by-products formation during heat treatment: II. Trans isomers
Journal of the American Oil Chemists' Society - Tập 75 - Trang 1073-1078 - 1998
This study examined the effect of the fatty acid positional distribution and of the triacylglycerol (TG) composition on heat-induced trans isomerization of linoleic and linolenic acids. For this, we synthesized diacid TG molecules that were acylated only with linoleic acid (L) or with linolenic acid (Ln) along with palmitic acid (P). The fatty acid of interest was positioned either in the central ......
The use of the computer in serum lipid and lipoprotein analysisAbstract The usefulness of computers in data evaluation is generally recognized; however, the problem of utilizing a computer in the most intelligent manner deserves careful consideration. Several programs are described which aid in serum lipid and lipoprotein analysis. Two programs requiring a minimum of manual measurements have been developed to an... ...
Journal of the American Oil Chemists' Society - Tập 44 Số 1 - Trang 5-10 - 1967
Plasticizing effect of acetylated castor oil on castor oil-based, moisture-cured polyurethane film
Journal of the American Oil Chemists' Society - Tập 55 - Trang 653-656 - 1978
Moisture-cured polyurethane films have been prepared by reaction between toluene diisocyanate and castor oil or derivatives such as castor oil diethanol amide, castor oil monoglyceride, ethylene glycol monoricinoleate, and propylene glycol monoricinoleate. Effect of acetylated castor oil as an internal plasticizer on the resulting urethane films has been studied. Catalytic effect of 3-5% triethano......
Comparison of performances of approved chemists handling commodity credit corporation-processor soybean analysis work during the seasons of 1944–45 and 1945–46
Journal of the American Oil Chemists' Society - Tập 24 - Trang 265-269 - 1947
Infrared anisotropy and structure of crystalline methyl stearate and methyl octadecyl sulfonateAbstract Infrared spectra of highly oriented crystalline films of methyl stearate and methyl 1‐octadecyl sulfonate have been obtained using polarized radiation with the electric vector parallel and at 45Ŷ to crystallographic axes. The anisotropy of methyl stearate is in good agreement with the known structure and with vibrational assignments. The results obtained on... ...
Journal of the American Oil Chemists' Society - - 1966
The effects of ethanol content and emulsifying agent concentration on the stability of vegetable oil-ethanol emulsions
Journal of the American Oil Chemists' Society - Tập 78 - Trang 1185-1190 - 2001
In vegetable oil-ethanol emulsions ethanol is the polar phase and vegetable oil is the nonpolar phase. The primary advantage of vegetable oil-ethanol emulsions over conventional water-oil emulsions is that they enable the incorporation of water-and oil-insoluble or poorly soluble functional compounds and/or drugs into emulsions. A number of nonionic surfactants were used to select appropriate stab......
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