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Title: Identification of acetates in elasmopalpulus lignosellus pheromone glands using a newly created mass spectral database and kóvats retention indices.
Authors: JHAM, G. N.
SILVA, A. A. da
Affiliation: Gulab N. Jham, UFV; Alessandro A. da Silva, UFV; Eraldo R. Lima, UFV; PAULO AFONSO VIANA, CNPMS.
Date Issued: 2007
Citation: Química Nova, São Paulo, v. 30, n. 4, p. 916-919, 2007.
Description: Based on a specially created mass spectral database utilizing 23 tetradecenyl and 22 hexadecenyl acetate standards along with Kóvats retention indices obtained on a very polar stationary phase [poly (biscyanopropyl siloxane)] (SP 2340), (Z)-9-hexadecenyl acetate, (Z)-11-hexadecenyl acetate and (E)-8-hexadecenyl acetate were identified in active pheromone extracts of Elasmopalpus lignosellus. This identification was more efficient than our previous study using gas chromatography/mass spectrometry with a dimethyl disulfide derivative where we could only identify the first two acetates. The acetate composition of the pheromone gland differed from region to region in Brazil and from that from the Tifton (GA, USA) population, suggesting polymorphism or a different sub-species.
Thesagro: Elasmopalpus Lignosellus
NAL Thesaurus: acetates
DOI: 10.1590/S0100-40422007000400029
Type of Material: Artigo de periódico
Access: openAccess
Appears in Collections:Artigo em periódico indexado (CNPMS)

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