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2000
Volume 21, Issue 1
  • ISSN: 1871-5230
  • E-ISSN: 1875-614X

Abstract

Background: Anchusa azurea Mill. (AA) is a medicinal plant largely used traditionally in folk medicine in Algeria; it is locally named hamham. It is effective in the treatment of various diseases. Objectives: The aim of the present study is to determine the antioxidant, anti-inflammatory, and anti- hemolytic effects of phenolic fractions from Anchusa azurea Mill. Methods: In this study, various extracts from Anchusa azurea Mill. (AA) using solvents with increasing polarity were prepared. The quantification of polyphenols and flavonoids was determined. The anti-radical activity of the different extracts was evaluated using DPPH and by measuring the inhibition of the oxidative degradation of β-carotene. The In-vitro antihemolytic effect of the plant extracts is determined (CrE, ChE, AcE, and AqE). For each extract, four concentrations were tested: 10.59, 21.18, 42.37, 84.74 μg/ml. Vitamin C is used as a standard. The free-radical attack was measured by measuring the HT (Half-Hemolysis Time). The anti-inflammatory effect using PMA on mice of the methanolic extract (CrE) was evaluated. Results: The quantification of polyphenols and flavonoids showed that ethyl acetate extract (AcE) contains a higher amount of polyphenols. However, chloroform extract (ChE) presents a higher amount of flavonoids. AcE showed an important scavenging activity using the DPPH radical (IC= 68.35 μg/ml). The results showed that AcE also exhibited a significant inhibition effect on the oxidation of β-carotene/linoleic acid (84.33 %). All extracts increased the HT50 values (Half-Hemolysis Time) in a dose-dependent manner. The three highest concentrations (21.18, 42.37, and 84.74 μg / ml) of ChE caused a very significant delay (p ≤ 0.001) of hemolysis compared to the negative control and the positive control “VIT C”. The anti-inflammatory effect of using PMA on mice showed that the methanolic extract (CrE) of AA reduced the weight of the ear edema. Conclusion: This plant has a strong pharmacological power, which supports its traditional medicinal use.

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/content/journals/aiaamc/10.2174/1871523020666211201162917
2022-03-01
2025-03-13
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