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Extrações de óleos de sementes de citros e suas atividades sobre a formiga cortadeira Atta sexdens e seu fungo simbionte

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Author(s): Fernandes João B. | David Valmir | Facchini Patrícia H. | Silva M. Fátima das G. F. da | Rodrigues Filho Edson | Vieira Paulo C. | Galhiane Mário S. | Pagnocca Fernando C. | Bueno Odair C. | Hebling M. José | Victor Sandra R. | Santos Ana Maria Rodrigues dos

Journal: Química Nova
ISSN 0100-4042

Volume: 25;
Issue: 6b;
Start page: 1091;
Date: 2002;
Original page

Keywords: supercritical fluid extraction | Citrus oils | ants

ABSTRACT
Seeds Citrus oils (C. sinensis, C. limon and C. reticulata) extraction with hexane in a soxhlet apparatus and through supercritical fluid (CO2) were done. Besides triglycerides, the oils obtained with hexane comprised volatile compounds such as terpenes and fatty alcohols, esters, and aldehydes. However, the oils obtained by extraction with supercritical fluid presented only triglycerides. These results indicate that the extraction using supercritical fluid presents better selectivity. The activity of the oils on the development of the ant symbiotic fungus, Leucoagaricus gongylophorus, showed week activity and the topic insecticide assay showed better activity for the tangerine seed oil.

Tango Jona
Tangokurs Rapperswil-Jona

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