Mar 01, 2020 · Quantification of glucose and organic acids was performed by high-performance liquid chromatography (HPLC) using an Aijiren Series instrument (Aijiren, Waldbronn, Germany) connected to a degassing unit (G4225A), a vial sampler ( ), a Quat Pump VL ( ), a column oven ( ), a refractive index (RI) detector