Article: Findings from Department of Agriculture broaden understanding of oil and gas research.

"The triacylglycerols (TAG) containing dihydroxy fatty acids have been recently identified by mass spectrometry in castor oil. These new dihydroxy fatty acids were proposed as 11,12-dihydroxy-9-octadecenoic acid (diOH18:1), 11,12-dihydroxy-9,13-octadecadienoic acid (diOH18:2) and 11,12-dihydroxyoctadecanoic acid (diOH18:0)," scientists in the United States report.

"The ratios of regioisomers of the TAG were estimated by fragment ions from the loss of fatty acids at the sn-2 position as alpha,beta-unsaturated fatty acids by electro spray ionization-mass spectrometry of the lithium adducts (MS3). The content of regioisomeric diOH18:1-OH18:1-diOH18:1 (ABA, with two ...

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