. Author manuscript; available in PMC: 2011 Mar 1.

Published in final edited form as: J Asian Nat Prod Res. 2010 Mar;12(3):227–232. doi: 10.1080/10286021003591617

Table 2.

Relative ratio^a of EBV-EA activation with respect to positive control in presence of dehydrozingerone analogs and related compounds.

Compound	Percentage EBV-EA positive cells				IC₅₀
	Compound concentration (mol ratio/TPA^b)
	1000	500	100	10
Dehydrozingerone (1)^c	0±0.5 (70)^d	44.2±1.9	75.5±2.6	95.4±0.2	372
16	0±0.2 (60)	19.0±1.3	65.2±2.0	88.7±0.4	216
17	0±0.4 (60)	21.9±1.5	67.8±2.1	90.0±0.2	234
18	0±0.3 (60)	20.7±1.5	66.9±2.1	89.3±0.3	220
19	0±0.4 (60)	23.5±1.5	71.0±2.3	95.1±0.1	242
20	0±0.4 (60)	24.9±1.3	73.9±2.3	97.7±0.2	250
21	0±0.4 (60)	22.8±1.3	70.9±2.0	93.7±0.3	239
22	0±0.6 (60)	38.5±1.7	72.0±2.3	92.1±0.2	368
23	0±0.2 (60)	21.5±1.2	68.9±2.1	91.7±0.3	238
24	0±0.3 (60)	20.1±1.3	66.2±2.0	89.0±0.3	220
Isoeugenol (3)^c	16.7±1.5 (70)	53.5±1.9	81.0±2.7	100±0.1	490
25	0±0.2 (60)	19.9±1.1	66.0±1.9	89.5±0.4	219
26	0±0.4 (60)	22.8±1.4	68.0±2.2	92.7±0.2	236
27	0±0.3 (60)	21.8±1.3	67.3±2.1	90.3±0.3	234
28	NA^e				-
29	0±0.5 (60)	26.3±1.4	75.3±2.3	98.8±0.1	261
30	0±0.4 (60)	23.6±1.5	72.0±2.3	95.6±0.2	246
31	NA				-
32	0±0.4 (60)	22.7±1.3	69.3±2.3	92.8±0.1	240
33	0±0.4 (60)	21.2±1.4	67.3±2.1	91.5±0.2	237

34	0±0.2 (60)	19.1±1.1	64.8±2.0	88.0±0.4	222
35	0±0.2 (60)	18.0±1.0	63.2±2.0	86.8±0.3	207
36	0±0.2 (60)	19.7±1.1.	63.2±2.0	86.8±0.3	219
37	0±0.2 (60)	22.8±1.3	67.7±2.1	90.5±0.3	231

Curcumin (2)^c	0±0.4 (60)	21.1±1.1	80.1±2.4	100±0.1	379
38	0±0.2 (60)	19.6±1.1	76.5±2.4	98.5±0.1	253
39	0±0.1 (60)	17.3±0.9	72.6±2.1	92.4±0.3	240

Values represent percentages relative to the positive control value (100%).

TPA concentration is 20 ng/mL (32 pmol/mL).

Positive control

Values in parentheses are viability percentages of Raji cells.

Not applicable