Validation of analytical method for rhynchophorol quantification and stability in inorganic matrix for the controlled release of this pheromone

Chemistry Central Journal
Arão Cardoso VianaJanice Izabel Druzian

Abstract

A fast method for the identification and stability evaluation of the aggregation pheromone rhynchophorol, which is the main substance used for chemical communication by the beetle Rhynchophorus palmarum L., was validated. In addition, the technique was applied to the evaluation of two inorganic matrices, with the objective of using them as controlled-release devices. The analytical method showed good linearity (R2 = 0.9978), precision (CV% < 1.79), recovery (84-105%) and limits of detection (0.2 mg mL-1) and quantification (0.3 mg mL-1); in compliance with the validation legislation established by ANVISA. In the interaction study, the inorganic matrices zeolite L and Na-magadiite showed high rates of pheromone recovery without promoting its degradation for a period of 180 days, which is not reported in the literature for other matrices. The structures of the zeolite L/rhynchophorol and Na-magadiite/rhynchophorol composites showed slower release kinetics during the storage period when compared with pure pheromone, which is desirable since it extends the period of rhynchophorol release and decreases the negative effects caused by the environmental parameters.

References

Oct 16, 2001·Journal of Agricultural and Food Chemistry·J Muñoz-PallaresE Primo-Yufera
Apr 15, 2004·Journal of Agricultural and Food Chemistry·Arthur J StipanovicYae Takahashi
Apr 29, 2004·Journal of Chemical Ecology·Didier RochatGholam Abbas Abdollahi
Apr 6, 2011·Chemistry Central Journal·Imen SaïdDidier Rochat
May 20, 2011·ZooKeys·Patrice BouchardAndrew B T Smith
Apr 10, 2016·Pest Management Science·Sandra VacasVicente Navarro-Llopis

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Methods Mentioned

BETA
X-ray

Software Mentioned

TurboMass
NIST Mass Spectral Search
ANVISA

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