Extraction and quantification of polyphenols in Plantago major L. and Buddleja globosa
DOI:
https://doi.org/10.29076/issn.2602-8360vol9iss16.2025pp140-145pKeywords:
polyphenols, Plantago major L., Buddleja globose, macerationAbstract
Antioxidants play an important role in disease prevention. Various studies have shown that plants and their extracts are effective in protecting against damage caused by free radicals. It has been demonstrated that species such as Plantago and Buddleja exhibit antioxidant activity due to the presence of phenolic compounds. This study aimed to determine the influence of plant material on the concentration of polyphenols present in plant extracts. Leaves and roots of Buddleja and Plantago were collected, and 70% ethanol was used as a solvent in the maceration extraction method. The total polyphenol concentration was determined using the Folin-Ciocalteu method. Through analysis of variance, it was found that both the plant and its parts had a significant effect on the polyphenol concentration, with the extract from Buddleja leaves showing the highest polyphenol content (15.930 ± 1.375 mg GAE/g DW). The total flavonoid content was determined using the colorimetric method with aluminum chloride, corresponding to the extract from Buddleja leaves (2.577 ± 0.025 mg QE/g DW). Antioxidant capacity was determined using the DPPH method, with an equivalent concentration of Trolox of 12.463 ± 0.067 µmol/g.
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