Table 3.

The effects of various organic solvents on the stability of Lip54q.

Organic solvent	Log P	Concentration(%, v/v)	Relative activity (%)
		1 h	48 h	7 days	12 days
DMSO	−1.35	20	82.5 ± 11.8	118.9 ± 5.4	57.0 ± 4.9	55.3 ± 13.3
		50	37.6 ± 1.4	12.9 ± 1.2	11.9 ± 2.7	10.5 ± 1.6
Methanol	−0.76	20	115.9 ± 9.2	142.4 ± 4.7	136.6 ± 5.7	136.4 ± 7.3
		50	ND	ND	ND	ND
Ethanol	−0.3	20	103.5 ± 7.7	92.9 ± 8.8	91.7 ± 8.1	70.9 ± 1.1
		50	ND	ND	ND	ND
Acetone	−0.24	20	101.4 ± 7.7	98.9 ± 8.0	81.1 ± 6.9	78.0 ± 7.6
		50	39.7 ± 5.1	ND	ND	ND
n-Butanol	0.88	20	32.6 ± 2.0	ND	ND	ND
		50	ND	ND	ND	ND
Chloroform	1.97	20	117.0 ± 5.7	131.2 ± 7.0	86.0 ± 7.5	83.8 ± 7.1
		50	120.4 ± 8.2	115.5 ± 5.2	97.8 ± 10.3	90.5 ± 4.0
Benzene	2.13	20	114.4 ± 6.4	133.4 ± 9.9	92.1 ± 2.8	104.4 ± 1.1
		50	129.8 ± 6.8	136.7 ± 10.3	98.2 ± 5.1	83.2 ± 8.2
Toluene	2.73	20	118.4 ± 17.5	120.8 ± 16.7	88.9 ± 6.7	120.6 ± 12.9
		50	121.0 ± 13.4	124.2 ± 14.4	105.9 ± 3.3	91.1 ± 9.5
Cyclohexane	3.3	20	122.7 ± 15.1	102.9 ± 14.3	87.7 ± 15.7	87.2 ± 9.5
		50	86.6 ± 7.5	99.3 ± 6.7	109.6 ± 7.2	94.1 ± 6.8
n-Hexane	3.5	20	123.0 ± 16.9	127.0 ± 5.8	123.1 ± 5.4	120.3 ± 12.4
		50	144.8 ± 1.6	136.0 ± 4.7	105.0 ± 4.4	84.8 ± 8.4
n-Decanol	4.1	20	127.5 ± 14.5	135.0 ± 8.0	130.2 + 6.8	128.9 ± 3.6
		50	133.4 ± 13.0	104.3 ± 6.2	80.9 ± 21.6	75.5 ± 10.8
Isooctane	4.7	20	131.2 ± 9.2	120.9 ± 6.3	114.2 ± 9.5	100.2 ± 8.6
		50	128.2 ± 12.3	135.4 ± 6.9	98.6 ± 8.4	62.8 ± 4.2

ND, not detected. The log P value is the logarithm of the ratio between the partition coefficients of a substance in n-octane (oil) and water.