Abstract
AbstractAnalyses of pecan oils by GLC and mass spectrometry showed the presence of palmitic, stearic, oleic, linoleic, and linolenic acids. The TLC of the nonsaponifiable materials of pecan oil, followed by identification of individual zones, revealed the presence of carotenoids, α‐tocopherol, other tocopherols, and an Emmerie‐Engel positive compound which was unknown. A quantitative estimation of tocopherols was achieved in pecan oils from eight varieties. Total tocopherol content was correlated with oil stability; however a better correlation with stability was observed when both tocopherols and the degree of unsaturation of the oils were taken into account.
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