Soybean paste was analyzed using RSpak KC-811.
Sample : Soybean paste extract, 100μL
1. Citric acid
2. Malic acid
3. Lactic acid
4. Formic acid
5. Acetic acid
6. Pyroglutamic acid
Columns : Shodex RSpak KC-G 8B (8.0mmI.D. x 50mm) + KC-811 (8.0mmI.D. x 300mm) x 2 Eluent : 3mM HClO4 aq. Flow rate : 1.0mL/min Detector : VIS(430nm) (Post column method) Column temp. : 40°C