Identification of Bioactive Components from Ruellia tuberosa L. on Improving Glucose Uptake in TNF-α-Induced Insulin-Resistant Mouse FL83B Hepatocytes

Table 1

Retention time and contents of phenolic acid and flavanoid from the RTL-EAF5 fraction.

Standard	Retention time (min)	EAF5-1 (µg/g)	EAF5-2 (µg/g)	EAF5-3 (µg/g)	EAF5-4 (µg/g)	EAF5-5 (µg/g)
Phenolic acid
Syringic acid	23.66	—	—	—	6.7 ± 0.9	27.3 ± 1.4
p-Coumaric acid	28.78	—	—	—	—	95.0 ± 2.5
Flavanoid
Cirsimaritin	16.91	—	—	—	—	805.5 ± 24.8

—, not detected. Each value is mean ± SD (n = 3).