Table 3. The content of urushiol in different parts of Rhus verniciflua

Samples	Contents (mg/100 g)
	Pentadecenyl catechol (C15:1)	Pentadecadienyl catechol (C15:2)	Pentadecatrienyl catechol (C15:3)	Total
Leaf	53.48±1.661)a2)	17.96±0.18a	168.46±13.69a	239.90±15.36
Shoot	59.11±5.78a	18.25±1.23a	185.65±13.30a	263.01±12.40
Stem	35.08±4.19b	8.14±0.99b	141.43±4.68b	184.65±2.85
Seed	0.17±0.02c	ND3)	0.75±0.12c	0.92±0.11

All values are mean±SD (n=3).
Means with different superscript letters in the same column are significantly different at p〈0.05 by Duncan’s multiple range test. a〉b〉c〉d.
ND, not detected.