Lin NF, Tang J, Ismael HSM. Study on environmental etiology of high incidence areas of liver cancer in China. World J Gastroenterol 2000; 6(4): 572-576 [PMID: 11819650 DOI: 10.3748/wjg.v6.i4.572]
Corresponding Author of This Article
Prof Nian-Feng Lin, College of Environment and Construction Engineering, Changchun University of Science and Technology, Changchun 130026, China. Tang@cust.jl.cn
Article-Type of This Article
Brief Reports
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Table 3 The content of nitrosamine in pond water and the death rate due to liver cancer in Fusui
Location of samples
Death rate of liver cancer 1/105
Dimethyl nitrosa mine ppb
Diethyl nitrosamine ppb
Sihe
74.96
3.8
Jiuchen
35.42
3.2
Yiliu
31.68
3.6
Mumin
80.80
2.4
2.2
Qutun
112.59
5.6
Zhongyuan
148.49
4.8
2.4
Lailu
95.36
4.2
Jiuta
18.38
0.8
0.4
Table 4 Result of cell mutation test and polluted water samples
Water source type
Cell micronuclei rate %
Cell chromosomal aberration rate %
Pond water 1
63.34
6.42
Pond water 2
59.66
4.76
Shallow well water 1
48.32
3.76
Shallow well water 2
42.66
3.21
Deep well water
3.30
0.75
Blank contrast
2.43
0.17
Table 5 Contrast in water quality before and after the change in water
Test item (ppm)
NO2-
Humic acid
COD
DO
NH4
1
0.0224
0.53
44.24
6.10
0.34
2
0.0106
0.05
0.34
8.21
0.07
Table 6 Contrast in water quality before and after the change in water
Test item (ppb)
Se
Fe
Mn
Zn
nitrosamine
1
0.56
1110.88
198.33
9.29
4.20
2
0.39
164.60
10.14
50.47
0
Table 7 Contrast in water quality before and after the change in water
Test item
Plant cell micronuclei rate/%
HHPL
micronuclei rate/%
chromosome aberration rate/%
1
10.34
59.61
4.76
2
5.96
3.30
0.75
Citation: Lin NF, Tang J, Ismael HSM. Study on environmental etiology of high incidence areas of liver cancer in China. World J Gastroenterol 2000; 6(4): 572-576