Table 1.
HPLC conditions for the analysis of free sugars and organic acids

Instrument	Free sugars	Organic acids
HPLC System	YL 9100, Younglin, Korea	YL 9100, Younglin, Korea
Column	Aminex® HPX-87P, 300 mm × 7.8 mm	Aminex® HPX-87H, 300 mm × 7.8 mm
Column Temperature	85°C	35°C
Mobile Phase	HPLC water	0.008 N H2SO4
Detector	RI	YL 9120 UV/Vis Detcetor, 210 nm
Flow Rate	0.6 mL/min	0.6 mL/min
Injection Volume	20 μL	20 μL