Extraction and Bioactivity Analysis of Major Flavones Compounds from Scutellaria baicalensis Using In Vitro Assay and Online Screening HPLC-ABTS System

Table 1

Yield of extraction solvent composition and bioactivity of the S. baicalensis extracts by free radical-scavenging activity ABTS IC₅₀ assay.

Extraction solvent	Extraction yield (%)	IC50 (g/mL)
Water 100%	18.36 ± 0.25^a	302.17 ± 37.40^b
EtOH 100%	1.97 ± 0.01	80.69 ± 2.10
EtOH 80%	23.00 ± 0.90	44.87 ± 4.76
EtOH 70%	33.10 ± 0.10	39.22 ± 2.74
EtOH 60%	43.05 ± 0.47	34.04 ± 3.22

Each value in mean ± SD (); ^beach value in mean ± SD ().