Simultaneous Determination of 13 Organic Acids in Liquid Culture Media of Edible Fungi Using High-Performance Liquid Chromatography

Table 2

Data of precision, stability, reproducibility, and recovery.

Standard analytes	Repeatability RSD (%)	Stability		Reproducibility RSD (%)	Recovery (%)
		Peak area RSD (%)	Retention time RSD (%)
Oxalic acid	0.43	1.19	0.16	1.65	102.0
Maleic acid	0.57	0.80	0.30	1.47	93.5
Citric acid	1.61	1.83	0.16	1.08	99.5
Tartaric acid	0.67	0.74	0.19	1.70	96.2
Malic acid	1.05	1.22	0.13	2.08	94.7
Quinic acid	1.15	1.75	0.11	1.23	93.8
Succinic acid	1.55	1.52	0.07	2.22	94.2
Fumaric acid	1.27	1.36	0.25	1.54	91.9
Formic acid	0.75	0.74	0.10	1.49	98.1
Acetic acid	2.13	1.77	0.05	1.12	101.8
Propionic acid	0.87	1.27	0.05	1.05	95.6
Isobutyric acid	1.19	1.16	0.05	1.38	94.4
Butyric acid	1.79	2.94	0.05	0.67	95.8