Phenolic acids content, antioxidant and antimicrobial activity ofLigusticum mutellinaL.

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Abstract
A simple HPLC method has been used for separation and quantitative analysis of the phenolic acids in the methanolic extracts of Ligusticum mutellina aerial parts. Chlorogenic acid was the predominant phenolic acid. Additionally, gallic, p-OH-benzoic, caffeic, p-coumaric and ferulic acids were identified. Moderate antibacterial and antifungal activity (MIC = 1.25–2.5 mg mL−1) was observed for the methanol extract of L. mutellina herb received from plants in flowering stage against a broad spectrum of bacteria. Micrococcus luteus, Pseudomonas aeruginosa and Candida spp. were the most sensitive to this plant material. Total phenolic content for the methanol extract of L. mutellina herb received from plants in flowering stage was 1.56 g of chlorogenic acid equivalents/100 g dry weight. The methanol extract of L. mutellina herb received from plants in flowering stage showed antioxidant activity with DPPH (IC50 value of 0.40 mg mL−1) and with ABTS (IC50 value of 8.65 mg mL−1).

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