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Molecules 2008, 13(1), 190-194; doi:10.3390/molecules13010190

Chemical Composition of Ground Pearl (Eurhizococcus colombianus) Cysts

1, 1, 1, 1, 1, 2 and 1,*
1 Grupo de Química Orgánica de Productos Naturales, Universidad de Antioquia-SIU, Medellin, Colombia 2 Corporación Agropecuaria Colombiana-CORPOICA, La Selva, Rionegro-Colombia
* Author to whom correspondence should be addressed.
Received: 4 December 2007 / Revised: 21 January 2008 / Accepted: 28 January 2008 / Published: 29 January 2008
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Ground pearl (Eurhizococcus colombianus) is a crop pest in Colombia, withspecial impact on fig, grass, rubus and tomato plants. The insect is resistant to externalinsecticide application because it produces a thick waxy shell that isolates it from theenvironment. The composition of this shell was determined by NMR and MS as atriglyceride, whose fatty acid is transformed into other products with the metamorphosis ofthe insect. Additionally, several enzymatic inhibitors were assayed to control the insectwith negative results.
Keywords: Ground Pearl; insect; cyst; triglyceride; metabolism. Ground Pearl; insect; cyst; triglyceride; metabolism.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Quiñones, W.; Vicente, B.; Torres, F.; Archbold, R.; Murillo, W.; Londoño, M.; Echeverri, F. Chemical Composition of Ground Pearl (Eurhizococcus colombianus) Cysts. Molecules 2008, 13, 190-194.

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