COMPARISON OF DIFFERENT EXTRACTION TECHNIQUES  FOR THE EVALUATION OF POLYPHENOLS CONTENT IN SUMMER SAVORY EXTRACTS

Dorina  CASONI; Neli-Kinga  OLAH; Maria-Loredana  SORAN; Simona Codruța Aurora  COBZAC

doi:10.24193/subbchem.2017.3.04

COMPARISON OF DIFFERENT EXTRACTION TECHNIQUES FOR THE EVALUATION OF POLYPHENOLS CONTENT IN SUMMER SAVORY EXTRACTS

Authors

Dorina CASONI Faculty of Chemistry and Chemical Engineering; Research Center for Advanced Chemical Analysis, Instrumentation and Chemometrics – ANALYTICA, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: dorina.casoni@ubbcluj.ro. https://orcid.org/0000-0002-7056-8000
Neli-Kinga OLAH Faculty of Pharmacy, Vasile Goldiș Western University, Arad; SC PlantExtrakt SRL, Rădaia, Cluj, Romania. Email: olah.neli@uvvg.ro. https://orcid.org/0000-0001-5204-6885
Maria-Loredana SORAN Department for the Physics of Nanostructured Systems, National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: loredana.soran@itim-cj.ro. https://orcid.org/0000-0003-3770-9702
Simona Codruța Aurora COBZAC Faculty of Chemistry and Chemical Engineering; Research Center for Advanced Chemical Analysis, Instrumentation and Chemometrics – ANALYTICA, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: csimona@chem.ubbcluj.ro. https://orcid.org/0000-0002-8968-3893

DOI:

https://doi.org/10.24193/subbchem.2017.3.04

Keywords:

Satureja hortensis L., flavonoids, phenolic compounds, rosmarinic acid, maceration, reflux extraction, ultrasound assisted extraction, microwave assisted extraction

Abstract

Efficiency of conventional solvent extraction (maceration and normal refluxing) and novel extraction techniques (ultrasound-assisted extraction-UAE and microwave-assisted extraction-MAE) were compared in order to obtain an enhanced content of total flavonoid, total phenolic compounds and rosmarinic acid from the Satureja hortensis L. (Summer savory) herb. Different mixtures of ethanol-water ratio were used for extraction of these compounds from dry plant material. High level of total flavonoid content was determined for a solvent system consisted of 40% respectively 50% ethanol (extraction systems ES6 and ES5) while the most efficient techniques were normal refluxing (R) and ultrasound-assisted extraction when sweep mode (UAE1) was selected. For the same solvent systems (ES6 and ES5), a high content of total phenolic compounds was determined when the normal refluxing (R) and microwave-assisted extraction (MAE1, with a duty coefficient of 40% and microwave action time1 min) were used for the extraction procedure. For the rosmarinic acid extraction, the maceration technique (M) combined with an ethanol-water system consisted of 60% ethanol (ES4) was found as the most efficient procedure.

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STUDIA UBB CHEMIA, Volume 62 (LXII), No. 3, September 2017

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Published

2017-09-29

How to Cite

CASONI, D. ., OLAH, N.-K. ., SORAN, M.-L. ., & COBZAC, S. C. A. . (2017). COMPARISON OF DIFFERENT EXTRACTION TECHNIQUES FOR THE EVALUATION OF POLYPHENOLS CONTENT IN SUMMER SAVORY EXTRACTS. Studia Universitatis Babeș-Bolyai Chemia, 62(3), 45–56. https://doi.org/10.24193/subbchem.2017.3.04