Analysis of chemical composition, antimicrobial, antioxidant activities of pomegranate fruit thick and green tea leaf extracts
2024
Olexander MASLOV | Mykola KOMISARENKO | Dmytro PLIS | Svitlana PONOMARENKO | Tetiana OSOLODCHENKO | Sergii KOLISNYK
Infection diseases is a worldwide important problem for medicine and pharmacy. The purpose of this work was to study and compare phytochemical composition, antimicrobial, antioxidant potential of pomegranate fruit thick and green tea leaf liquid extracts. The quantification of biologically active substances (BAS) was performed using spectrophotometric, titrimetric, and HPLC analysis methods. Antioxidant activity was measured through a potentiometric method, while antimicrobial and antifungal effects were assessed using the well method and determining the minimum inhibition concentration. The total content of phenolic compounds was 0.40 and 10.10%, organic acids – 5.80 and 1.60% for pomegranate fruit thick and green tea leaf extract. The total content of catechins in the green tea leaf extract was 10500.0 mg/100 g, where epicatechin-3-O-gallate was dominated (3730.0±2.00 mg/100 g). The total content of anthocyanins in the pomegranate fruit thick extract was 107.10 mg/100 g, where cyanidin-3-O-glucoside was dominated (41.74 ± 0.10 mg/100 g), whereas delphinidin-3-O-glucoside had a lowest content (4.99 ± 0.10 mg/100 g). Both extracts possessed a high antioxidant potential, and effective antimicrobial effects. The antioxidant, antimicrobial activity of pomegranate fruit extract was higher than green tea leaf extract. In addition, we assumed that anthocyanins had higher antioxidant, antimicrobial properties than catechins. These findings would promote application of pomegranate fruits extract as pharmaceuticals and nutraceuticals.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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