Table 4. Quantitative differences in average concentration of six valuable taxanes in the needles of Taxus mairei (from different area).

Collection site(no. of samples)	Taxane content (µg/g dry needle)
	DAB	B	DAXT	DAT	C	P	Total
Zhejiang (40)	218	53.7	515.6	181.5	89.9	99.6	1,158.3
Fujian (2)	78.9	30.2	314.7	122.1	73.5	73.7	693.1
Jiangxi (1)	222.2	66.4	497.2	210.4	75.2	119.3	1,190.7
Hubei (10)	80.9	152.5	545.1	136.5	91.9	115.3	1,122.2
Average	150.0	75.7	468.2	162.6	82.6	102.0	1,041.1
Range	8–301	21–289	64–1,089	40–269	14–171	42–265

DAB, 10-deacetylbaccatin III; B, baccatin III; DAXT, 7-xylosyl-10-deacetylpaclitaxel; DAT, 10-deacetylpaclitaxel; C, cephalomannine; P, paclitaxel.