Phytochemicals, α-glucosidase and α-amylase Inhibitory Efficiency of Brittle Wort (Chara corallina) Extract

Main Article Content

Wanninee Chankaew
Uraiwan Phetkul
Rawinipa Srimoon

Abstract

This research is the first to evaluate brittle wort (Chara corallina) extract for phytochemical content and inhibitory effects against a-glucosidase and a-amylase activities. An ethanolic extract of C. corallina had the strongest enzyme inhibitory effect. The inhibition efficiencies of all extracts against a-amylase were more potent than those against a-glucosidase, with IC50 values of 8.43±0.18 mg/mL against a-glucosidase and 1.78±0.07 against a-amylase. Inhibition efficiency was related to total phenolic content, DPPH radical scavenging activity, ATBS radical scavenging activity and metal-chelation activity of the extracts. Phytochemical screening of the ethanolic extract demonstrated the presence of the triterpenoid β-sitosterol. These findings provide useful supporting data for further applications of C. corallina extract.

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Original Research Articles

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