Comparison of the Antioxidant Activities and Phenolic Content of Five Lonicera Flowers by HPLC-DAD/MS-DPPH and Chemometrics

Table 1

Antioxidant activities of five Lonicera flowers in the DPPH assay.

Samples	DPPH (IC50, μg/ml)
Lonicera macranthoides Hand.-Mazz.	235.27 ± 1.21
Lonicera fulvotomentosa Hsu et S. C. Cheng	284.87 ± 1.05
Lonicera japonica Thunb.	464.48 ± 1.32
Lonicera hypoglauca Miq.	580.96 ± 0.95
Lonicera confusa (Sweet) DC.	905.23 ± 1.02

Each value is mean ± SD (n = 3).