Rosângela Assis Jacques

Summary

Country: Brazil

Publications

  1. ncbi request reprint The use of ultrasound in the extraction of Ilex paraguariensis leaves: a comparison with maceration
    Rosângela Assis Jacques
    Chemistry Institute, UFRGS, Porto Alegre, Av Bento Goncalves, 9500, CEP 91501 960 RS, Brazil
    Ultrason Sonochem 14:6-12. 2007
  2. doi request reprint Extraction of grape seed oil using compressed carbon dioxide and propane: extraction yields and characterization of free glycerol compounds
    Lisiane dos Santos Freitas
    Chemistry Institute, UFRGS, Porto Alegre, RS, Brazil
    J Agric Food Chem 56:2558-64. 2008
  3. doi request reprint Pressurized liquid extraction of vitamin E from Brazilian grape seed oil
    Lisiane dos Santos Freitas
    Instituto de Quimica, UFRGS, Porto Alegre, RS, Av Bento Goncalves 9500, 91501 970 Porto Alegre, RS, Brazil
    J Chromatogr A 1200:80-3. 2008

Detail Information

Publications3

  1. ncbi request reprint The use of ultrasound in the extraction of Ilex paraguariensis leaves: a comparison with maceration
    Rosângela Assis Jacques
    Chemistry Institute, UFRGS, Porto Alegre, Av Bento Goncalves, 9500, CEP 91501 960 RS, Brazil
    Ultrason Sonochem 14:6-12. 2007
    ..The major compounds identified in the extracts were caffeine and palmitic acid. Some saturated hydrocarbons such as fatty acids, fatty acid methyl esters, phytosterols, and theobromine were also identified in the fractions...
  2. doi request reprint Extraction of grape seed oil using compressed carbon dioxide and propane: extraction yields and characterization of free glycerol compounds
    Lisiane dos Santos Freitas
    Chemistry Institute, UFRGS, Porto Alegre, RS, Brazil
    J Agric Food Chem 56:2558-64. 2008
    ....
  3. doi request reprint Pressurized liquid extraction of vitamin E from Brazilian grape seed oil
    Lisiane dos Santos Freitas
    Instituto de Quimica, UFRGS, Porto Alegre, RS, Av Bento Goncalves 9500, 91501 970 Porto Alegre, RS, Brazil
    J Chromatogr A 1200:80-3. 2008
    ..Vitamin E was separated and analyzed using HPLC with UV detection. This study demonstrates the ability of the PLE in extracting grape seed oil rich in vitamin E...