Analysis of Antifungal Components in the Galls of Melaphis chinensis and Their Effects on Control of Anthracnose Disease of Chinese Cabbage Caused by Colletotrichum higginsianum

Table 2

Calibration curve parameter, limits of detection (LOD), precision, and recovery for the indicator compounds.

Compound	Calibration curve	Correlation coefficients ()	Linear range (µg/mL)	LOD (µg/mL)	Concentration (μg/mL)	Intraday precision	Interday precision	Spiked concentration (μg/mL)	Recovery (%)	RSD (%)
						Mean ± SD (RSD %)
1		0.9995	2.49–498.00	0.180	9.96	9.02 ± 0.06 (0.63)	8.76 ± 0.23 (2.61)	6.58	118.02 ± 3.85	3.26
					249.00	250.86 ± 0.48 (0.19)	248.87 ± 1.63 (0.65)	13.63	105.45 ± 1.11	1.05
					498.00	497.11 ± 0.67 (0.14)	493.71 ± 2.90 (0.59)	26.67	106.78 ± 1.10	1.10
2		0.9996	2.50–500.00	0.200	9.96	8.69 ± 0.14 (1.62)	8.57 ± 0.13 (1.25)	26.60	126.33 ± 0.91	0.72
					249.00	252.57 ± 0.71 (0.28)	251.79 ± 1.71 (0.68)	120.33	106.75 ± 0.33	0.31
					498.00	498.75 ± 3.55 (0.71)	498.75 ± 2.51 (0.50)	264.79	105.16 ± 0.43	0.41
3		0.9999	24.50–490.05	0.012	49.01	48.85 ± 0.13 (0.26)	49.61 ± 0.70 (1.42)	102.64	108.61 ± 2.88	2.65
					98.01	98.71 ± 0.36 (0.36)	98.91 ± 0.70 (0.71)	124.62	96.98 ± 0.60	0.62
					490.05	489.95 ± 0.94 (0.19)	498.99 ± 7.68 (1.54)	168.50	93.01 ± 1.20	1.29
4		0.9998	10.09–50.47	0.010	10.09	10.00 ± 0.02 (0.21)	10.01 ± 0.02 (0.19)	10.09	95.59 ± 0.42	0.44
					25.24	25.40 ± 0.19 (0.73)	25.81 ± 0.60 (2.34)	25.24	89.26 ± 0.13	0.14
					50.47	50.44 ± 0.33 (0.65)	50.31 ± 0.31 (0.61)	50.47	90.41 ± 0.08	0.09
5		0.9992	9.93–49.66	0.010	9.93	10.33 ± 0.08 (0.82)	10.31 ± 0.05 (0.45)	9.93	81.12 ± 2.15	2.65
					24.83	24.19 ± 0.14 (0.56)	24.17 ± 0.12 (0.52)	24.83	99.81 ± 0.35	0.36
					49.66	49.89 ± 0.10 (0.19)	50.29 ± 0.65 (1.30)	49.66	108.67 ± 0.49	0.45
6		0.9968	9.75–48.76	0.010	9.75	10.55 ± 0.09 (0.86)	10.61 ± 0.08 (0.72)	9.75	88.64 ± 0.63	0.71
					24.38	23.11 ± 0.06 (0.26)	23.35 ± 0.19 (0.81)	24.83	82.00 ± 0.36	0.44
					48.76	49.24 ± 0.25 (0.50)	49.76 ± 0.51 (1.03)	48.76	94.96 ± 0.74	0.78