Isolation and Bioactivity Analysis of Ethyl Acetate Extract from Acer tegmentosum Using In Vitro Assay and On-Line Screening HPLC-ABTS⁺ System

Table 1

LC-MS operating condition.

Instrument	Condition
Column	HECpTOR-M-RS-tech C18 (100 × 4.6 mm, 5 m)
Oven temp. (°C)	40
Flow rate (mL/min)	0.5
Injection vol. (L)	10
Ionization source; (positive mode)	API-ES
Fragmentor voltage (V)	70
Quadrupole temp. (°C)	99
Capillary voltage (V)	3000
Nebulizer pressure (psi)	35
Drying gas temp. (°C)	350
Mass rang () scan mode	200~500
Mobile phase (%)	A: 0.1% TFA in water,; B: acetonitrile
Gradient elution composition (%)	(B): 10–25 (0–35 min), 25–10 (35–37 min), 10 (37–45 min)