Ana o16 fatty acid and tocopherol composition of

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Unformatted text preview: Veterinary and Animal Science, Lahore, Pakistan E-mail: fqanwar@yahoo.com The fruit seed oils of cherry (Prunus avium L.) and lychee (Litchi chinensis Sonn.) were analyzed for their fatty acid and tocopherol composition. The lipid content of the cherry and lychee se ed was found to be 10.4 and 3.9 %, respectively. Cherry fruit seed oil was characterized by the presence of high oleic acid (47.28 %), followed by linoleic acid (30.57 %) and α- eleostearic acid (9.20 %).Lychee seed oil mainly contained dihydrosterculic acid (46.88 %) and oleic acid (29.32 %). A considerable am ount of linolenic acid (3.59 %) was also established in the oil. The ratio of fatty acids, polyunsaturates to monounsaturates to saturate varied depending on lipid fraction. The seed oil of cherry and lychee exhibited appreciable amounts (mg/100 g) of α, γ and δ tocopherol 71, 272, 17.4, and 65, 57, 12.8, respectively. 71 23rd-25th June 2010 3rd ICYC 2010 Universiti Sains Malaysia ANA-O17 APPRAISAL OF CHEMICAL COMPOSITION, AND ANTIOXIDANT AND ANTIMICROBIAL CHARACTERISTICS OF ESSENTIAL OILS FROM AERIAL PARTS OF SELECTED MENTHA SPECIES 1 Farooq Anwar and 1,2 Abdullah Ijaz Hussain 1 Department of Chemistry & Biochemistry, University of Agriculture Faisalabad-38040, Pakistan 2 Department of Chemistry, Government College University, Faisalabad, Pakista n E-mail: fqanwar@yahoo.com The present work was undertaken with the main objective to appraise the chemical composition, antioxidant and antimicrobial activities of essential oils derived from aerial parts (collected at full flowering phase) of selected Mentha species: M. arvensis, M. piperita, M. longifolia and M. spicata in Pakistan. The contents of hydro-distilled essential oil from M. arvensis, M. piperita, M. longifolia and M. spicata were found to be 2.0, 1.4, 1.2 and 1.5 %, respectively. The GC and GC -MS analyses revealed the occurrence of menthol, menthone, piperitenone oxide and carvone as the principal chemical constituent in M. arvensis, M....
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