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June 12, 2026Cleaner Chemical EngineeringOpen Access

Phenolic compounds from Cymbopogon citratus (DC.) Stapf leaf extracts: extraction optimization, flavonoids LC-MS characterization and stability assessment

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Authors

BOBassalia OuattaraUniversity of MonsISIrène SemayUniversity of MonsJOJean Claude W. OuédraogoUniversité Joseph Ki-Zerbo

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Overview

Randomized trial optimizes extraction of flavonoids in Cymbopogon citratus leaves, suggesting high antioxidant potential.

Key Points

  • The aim is to optimize the extraction of phenolic compounds and assess their stability in Cymbopogon citratus leaves.
  • Response surface methodology (RSM) utilized for extraction optimization.
  • Influences of liquid-solid ratio, temperature, and extraction time analyzed using centered composite design.
  • Stability assessed over 150 days under various storage conditions using UV-vis spectrophotometer and HPLC–ESI–MS.
  • Optimal extraction condition yielded 16.5% extraction yield and TPC of 238.8 mg GAE/g.
  • After 150 days, dry extract maintained over 75% of TPC and antioxidant properties better than extracts in solvents.
  • Di-C-glycosyl flavonoids exhibited greater stability compared to O-glycosyl flavonoids.

Cite This Study

Ouattara et al. (2026) studied this question.

synapsesocial.com/papers/6a2ba20e8101cf8926f012cfhttps://doi.org/10.1016/j.clce.2026.100227
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  1. 1Biological Activities and Metabolomic Profiling of <i>Cymbopogon citratus</i> (DC.) Stapf Leaf Extract Using LC–MS Analysis2026
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