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Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology
Official Journal of the Societa Botanica Italiana
Volume 156, 2022 - Issue 6
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Articles

Essential oil and residual distillation water of Pterocaulon polystachyum DC: composition, antifungal activity, and mathematical modeling of steam distillation

Júlia M. Scopela Unit Operations Lab, Polytechnic School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, BrazilView further author information
,
Bruna Medeiros-Nevesb Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, BrazilView further author information
,
Helder Teixeirab Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, BrazilView further author information
,
Sérgio A.L Bordignonc Environmental Impact Assessment Graduate Program, La Salle University Center, Canoas, BrazilView further author information
,
Alexandre M. Fuentefriab Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, BrazilORCID Iconhttps://orcid.org/0000-0003-2979-4417View further author information
ORCID Icon,
Gabriella da Rosa Monte Machadob Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, BrazilView further author information
,
Rafael N. Almeidaa Unit Operations Lab, Polytechnic School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, BrazilView further author information
,
Eduardo Cassela Unit Operations Lab, Polytechnic School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, BrazilORCID Iconhttps://orcid.org/0000-0001-8843-0694View further author information
ORCID Icon,
Gilsane L. von Poserb Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, BrazilORCID Iconhttps://orcid.org/0000-0003-2527-7500View further author information
ORCID Icon &
Rubem M. F. Vargasa Unit Operations Lab, Polytechnic School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, BrazilCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-2696-8581View further author information
ORCID Icon show all
Pages 1470-1477 | Received 24 Sep 2021, Accepted 01 Apr 2022, Published online: 28 Apr 2022
 
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Abstract

The steam distillation applied to the aerial parts of Pterocaulon polystachyum DC (Asteraceae) afforded essential oil and an aqueous residue, which is a by-product usually considered a waste. In this study, the prospects for using both essential oil and aqueous waste were investigated, showing new directions for the industrial process. The essential oil had its composition determined and showed activity against Microsporum gypseum (Bodin) Guiart & Grigorakis. The residual distillation water, which also had some activity against the same fungus, showed the presence of phenolic acids and a small amount of coumarins, molecules with interest in the pharmaceutical and food industries. In addition, the extraction curve was modeled mathematically.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the CNPq, National Council of Scientific and Technological Development and CAPES, Coordination of Superior Level Staff Improvement.

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