Table 7. Qualitative and quantification of phenolic acid using HPLC in 100% ethanol extracts from apple flowers with the different drying conditions (gallic acid)

Hot-air drying (HD)					Freeze drying (FD)
Sample flower names	‘Hongno’1)	‘Aori’	‘Fuji’	‘Jonathan’	‘Myanmar’	‘Hongno’	‘Aori’	‘Fuji’	‘Jonathan’	‘Myanmar’
	Gallic acid2)	1.43)	4.6	2.1	2.4	2.2	1.4	1.8	1.1	1.8	1.2

Each sample concentration was 2 mg/mL.
Each sample standard was 0.2-50 mg/kg.
Units was mg/kg.