A Practical Method for Determination of Nine Nucleosides in Tricholoma matsutake by UPLC/MS and Quantitative Analysis of Multicomponents Using Single Marker Method

Table 5

The contents of nine nucleosides in the 10 batches of T. matsutake by the QAMS method and the external standard (ES) method (μg/g).

	C		U		dU		I		G	dG		dC		A		dA
	ES	QAMS	ES	QAMS	ES	QAMS	ES	QAMS	ES	ES	QAMS	ES	QAMS	ES	QAMS	ES	QAMS
SD-JL256	107.1	106.0	88.9	87.0	4.2	4.1	33.3	31.7	132.4	7.9	7.8	9.3	8.9	40.7	39.1	3.1	3.5
SD-XJ266	129.8	126.0	165.3	160.3	—	—	52.5	49.7	166.4	8.1	8.0	10.4	9.7	63.6	62.3	4.2	4.2
SD-JL243	152.9	152.0	108.6	108.0	4.0	3.9	36.4	34.6	186.1	9.6	9.6	13.1	12.8	45.2	44.2	6.8	6.8
SD-XJ260	123.2	122.5	126.7	123.7	—	—	34.2	32.6	131.2	7.4	7.3	10.1	9.6	41.6	39.0	3.9	3.5
SD-JL235	96.3	92.0	91.5	79.8	—	—	36.8	35.0	127.5	5.9	5.8	7.4	6.9	44.4	42.6	1.3	1.3
SD-JL244	85.2	91.9	93.3	90.8	4.0	3.9	34.9	33.2	104.9	4.2	4.0	3.4	3.1	41.9	39.3	—	—
SD-JL250	92.7	88.8	101.4	98.4	—	—	39.8	37.8	129.1	5.7	5.6	5.6	5.4	48.2	46.1	—	—
SD-XJ268	76.0	74.2	122.3	120.6	—	—	37.9	36.0	95.7	4.0	3.8	1.3	1.4	45.6	44.7	—	—
SD-XJ278	102.0	99.3	191.3	186.1	—	—	67.7	64.0	141.2	5.5	5.4	5.2	5.0	81.5	80.7	—	—
SD-XJ287	75.3	73.6	123.9	121.3	4.1	4.1	40.5	38.5	90.1	4.0	3.8	1.3	1.4	50.0	48.7	—	—
Cos θ	0.99960		0.99969		0.99996		1.00000			0.99989		0.99974		0.99985		0.99845