Table II.

Relative carboxyl methyltransferase activities with various substrates (each at 1 mm concentration) of crude petal extracts of S. floribunda and N. suaveolens, and of the purified enzymes from the two species

	S. floribunda Petal Extract	S. floribunda Purified SAMT	N. suaveolens Petal Extract	N. suaveolens Purified BSMT
SA	100 (235)a	100 (13.1)b	12.8	22.5
BA	12.5	31.9	49.6	100 (2.3)b
3-Hydroxy BA	7.2	75.6	18.8	15.3
4-Hydroxy BA	2.8	34	99.3	76.2
(E/Z) Jasmonic acid	2.6	4.8	6.0	ndc
(E) Cinnamic acid (CA)	2.4	34.5	2.0	16.5
(E) 2-Hydroxy CA	2.7	25.0	6.0	21.0
(E) 3-Hydroxy CA	2.6	23.8	0	4.9
(E) 4-Hydroxy CA	2.9	4.4	1.5	2.55
Vanillic acid	nd	17	nd	nd
Caffeic acid	nd	32.5	nd	nd
2,3-Hydroxy BA	68.9	99.5	13.5	14.9
2,4-Hydroxy BA	9.0	98.5	20.3	18.2
2,5-Hydroxy BA	17.9	1.5	0	2.4
2,6-Hydroxy BA	1.1	1.0	0	1.6
3,4-Hydroxy BA	3.4	27.9	26.3	5.7
3,5-Hydroxy BA	3.3	2.5	2.6	1.8
2-Methoxy BA (o-anisic acid)	3.4	nd	100 (4.4)a	83.9

^aNumbers in parentheses represent activities in pkat/g FW.

^bNumbers in parentheses represent specific activities in pkat/mg protein.

^cnd, Not determined.