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Fatty acids profile of pulp and nuts of Brazilian fruits Ciênc. Tecnol. Aliment.
Costa,Paulo Afonso da; Ballus,Cristiano Augusto; Teixeira Filho,José; Godoy,Helena Teixeira.
Fruits and nuts from the North and Northeast regions of Brazil were collected to determine the fatty acid profile of their oils. The species studied were Brazil (Bertholletia excelsa H.B.K.), Mucajá (Couma rigida M.), Inajá (Maximiliana maripa D.), Jenipapo (Genipa Americana L.), and Buriti (Mauritia flexuosa L.) nuts. Fatty acid methyl esters were analyzed by gas chromatography with flame ionization detection (GC-FID). Brazil nut major fatty acid was 18:3n-3 (α-linolenic acid), and Buriti nut had approximately 23 times more 18:3n-3 than the pulp. Mucajá nut presented high content of 12:0 (lauric acid) and 16:0 (palmitic acid), and Mucajá pulp showed significant levels of 18:2n-6 (linoleic acid). Considering the PUFA (polyunsaturated fatty acid) sum...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bertholletia excelsa H.B.K.; Couma rigida M.; Maximiliana maripa D.; Genipa Americana L.; Mauritia flexuosa L.; Fatty acids; GC-FID.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000400020
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n-alkanes from Paepalanthus Mart. species (Eriocaulaceae) Acta Botanica
Santos,Lourdes Campaner dos; Dokkedal,Anne L.; Sannomiya,Miriam; Soares,Maria Carla Piza; Vilegas,Wagner.
This work presents the study of nonpolar compounds from plants belonging to the genus Paepalanthus Mart. (Eriocaulaceae). Long-chain linear aliphatic hydrocarbons were identified by GC-FID and GC-MS. The results indicate that Paepalanthus subg. Platycaulon species present a very homogenous profile, with carbon chains of n-alkanes ranging from C25 to C31, most samples presenting higher frequencies of C27 and C29 homologues. Paepalanthus subg. Paepalocephalus species may be distinguished from one another by the distribution of main n-alkanes. P. macrocephalus, subsect. Aphorocaulon species, presents alkanes with odd-carbon numbers and P. denudatus and P. polyanthus, Actinocephalus species, present alkanes with quite distinctive profiles, with many shorter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Paepalanthus; N-alkanes; GC-FID; GC-MS; Chemotaxonomy.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062005000400007
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