The Effect of Granulometry and Hydrodistillation Time for Volatile Oils from Melipona quadrifasciata Geopropolis

The Effect of Granulometry and Hydrodistillation Time for Volatile Oils from Melipona quadrifasciata Geopropolis

This work aims to evaluate the effect of granulometry and hydrodistillation time on the yield and chemical composition of Melipona quadrifasciata geopropolis. A sample obtained in southern Brazil was ground, separated into three different particle size groups (< 180 μm; 180 to 355 μm; and 356 to...

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Bibliographic Details
Published in:Revista brasileira de farmacognosia Vol. 32; no. 3; pp. 478 - 483
Main Authors: Valcanaia, Camila Panini, Masote, Julia Beatriz Beckenbrock, Sommer, Heloisa Fontana, Curbani, Luana, Calderari, Mirele Titton, Scharf, Dilamara Riva, Rau, Martinho, Alberton, Michele Debiasi, Guedes, Alessandro, de Cordova, Caio Mauricio Mendes
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 01-06-2022
Subjects:
Medicine
Pharmacy
Short Communication
Bee products
Stingless bee
Meliponinae
Natural products
Terpenoids
Organic compounds
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Summary:This work aims to evaluate the effect of granulometry and hydrodistillation time on the yield and chemical composition of Melipona quadrifasciata geopropolis. A sample obtained in southern Brazil was ground, separated into three different particle size groups (< 180 μm; 180 to 355 μm; and 356 to 1.70 mm), and subjected to hydrodistillation in a Clevenger apparatus for 2, 3, and 4 h. The volatile oils were characterised by GC-MS and quantified by GC-FID. The smallest granulometry provided the highest yield (0.48 ± 0.01%) in 4 h of hydrodistillation, and the differences in chemical composition were only quantitative, with α-pinene identified as the major constituent. With thin/very thin granulation, the extraction of more complex molecules such as sesquiterpenes was less effective. Evidently, it is important to standardise the pre-treatment of the geopropolis and the conditions of the hydrodistillation process to optimise the extraction of the desired volatile oils. Graphical Abstract
ISSN:1981-528X
1981-528X
DOI:10.1007/s43450-022-00264-8