Chitooligosaccharides promote radiosensitivity in colon cancer line SW480

Table 1 Inhibition of chitooligosaccharides for the proliferation of SW480 cells

COS concentration (mg/mL)	OD (mean ± SD)	Inhibition rate
0	1.019 ± 0.007	-
0.5	0.969 ± 0.0051	4.91%
1.0	0.908 ± 0.0082	10.89%
2.0	0.804 ± 0.0063	21.10%
3.0	0.692 ± 0.0074	32.09%
4.0	0.580 ± 0.0065	43.08%
5.0	0.433 ± 0.0086	57.51%
P	0	-
F	137.6	-

Compared with COS concentrations in the 0 mg/mL Group:

¹P = 0.000, q = 17.437;

²P = 0.000, q = 31.326;

³P = 0.000, q = 80.047;

⁴P = 0.000, q = 99.096;

⁵P = 0.000, q = 142.849;

⁶P = 0.000, q = 165.379. COS: Chitooligosaccharides.