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Liaudanskas M, Kubilienė L, Žvikas V, et al. Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties. Evid Based Complement Alternat Med. 2021;2021:5557667doi: 10.1155/2021/5557667.
Liaudanskas, M., Kubilienė, L., Žvikas, V., & Trumbeckaitė, S. (2021). Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties. Evidence-based complementary and alternative medicine : eCAM, 20215557667. https://doi.org/10.1155/2021/5557667
Liaudanskas, Mindaugas, et al. "Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties." Evidence-based complementary and alternative medicine : eCAM vol. 2021 (2021): 5557667. doi: https://doi.org/10.1155/2021/5557667
Liaudanskas M, Kubilienė L, Žvikas V, Trumbeckaitė S. Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties. Evid Based Complement Alternat Med. 2021 Mar 17;2021:5557667. doi: 10.1155/2021/5557667. eCollection 2021. PMID: 33815551; PMCID: PMC7994069.
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Evid Based Complement Alternat Med. 2021 Mar 17;2021:5557667. doi: 10.1155/2021/5557667. eCollection 2021.

Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties.

Evidence-based complementary and alternative medicine : eCAM

Mindaugas Liaudanskas, Loreta Kubilienė, Vaidotas Žvikas, Sonata Trumbeckaitė

Affiliations

  1. Department of Pharmacognosy, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukil?li? Av. 13, LT-50162 Kaunas, Lithuania.
  2. Institute of Pharmaceutical Technologies, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukil?li? Av. 13, LT-50162 Kaunas, Lithuania.
  3. Department of Drug Technology and Social Pharmacy, Faculty of Pharmacy, Medical Academy, Lithuanian University of Health Sciences, Sukil?li? Av. 13, LT-50162 Kaunas, Lithuania.
  4. Neuroscience Institute, Medical Academy, Lithuanian University of Health Sciences, Sukil?li? Av. 13, LT-50162 Kaunas, Lithuania.

PMID: 33815551 PMCID: PMC7994069 DOI: 10.1155/2021/5557667

Abstract

In recent years, particular attention has been paid to the natural antioxidants. Bee products, especially propolis, are characterized by multifunctional (antioxidant, anti-inflammatory, antibacterial, antiviral, and food preservative) effects and can be used for the development of functional food or food preservatives. Propolis extracts that are commonly produced are ethanolic; therefore, to certain groups of consumers, for example, children and alcohol sensitive group, their applicability is limited. The aim of this study was to develop alternative propolis from aqueous-polyethylenglycolic propolis extract (AQUA-PEG) and compare the chemical composition as well as antioxidant (radical-scavenging and reduction properties) activities to those of ethanolic propolis extract (EEP). Polyethylene glycol is quite a good solvent, which can be successfully used for the preparation of NEP. The total quantity of phenolic compounds identified in AQUA-PEG (400.36 

Copyright © 2021 Mindaugas Liaudanskas et al.

Conflict of interest statement

The authors declare that they have no conflicts of interest.

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