Analyzing the Effect of Extraction Parameters on Phenolic Composition and Selected Compounds in Clove Buds Using Choline Chloride and Lactic Acid as Extraction Agents

Utilizing a deep eutectic solvent-like mixture such as choline chloride and lactic acid in a 1:2 molar ratio, clove buds underwent extraction. Furthermore, the determination of the primary components in the clove extracts, namely eugenol, eugenol acetate, and β-caryophyllene, was conducted using the...

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Bibliographic Details
Published in:Processes 2024-04, Vol.12 (4), p.653
Main Authors: Strižincová, Petra, Šurina, Igor, Jablonský, Michal, Majová, Veronika, Ház, Aleš, Hroboňová, Katarína, Špačková, Andrea
Format: Article
Language:English
Subjects:
Acetates
Acetic acid
Acids
Analysis
Antioxidants
Buds
Caryophyllene
Chloride
Chlorides
Choline
COVID-19
Eugenol
High performance liquid chromatography
Hydrogen bonds
Lactic acid
Oils & fats
Phenolic compounds
Plant extracts
Polyphenols
Raw materials
Severe acute respiratory syndrome coronavirus 2
Solvents
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Summary:Utilizing a deep eutectic solvent-like mixture such as choline chloride and lactic acid in a 1:2 molar ratio, clove buds underwent extraction. Furthermore, the determination of the primary components in the clove extracts, namely eugenol, eugenol acetate, and β-caryophyllene, was conducted using the HPLC-DAD method. The total phenolic content (TPC) was also established. Extraction conditions using choline chloride and lactic acid encompassed variables such as extraction temperature (within the range of 40 to 80 °C), water addition (ranging from 5.6 to 40%), and extraction time (ranging from 30 to 90 min). Optimal operational conditions for TPC were pinpointed at 77 °C, 30 min, and a water addition of 40%. The findings showed that clove extracts obtained at 60 °C, 22.8%, and 30 min had the highest amount of eugenol (307.26 ± 8.44 mg/g dry raw material).
ISSN:2227-9717
2227-9717
DOI:10.3390/pr12040653