Table 2:
Trace elements concentration in colon tissues
| Study(year) | (Gupta & Shukla, 1993)a | (Milde et al., 2001) | (Magalhães et al., 2010)c | (Rinaldia et al., 2015)b | ||||
|---|---|---|---|---|---|---|---|---|
| Place | India | Czach Republic | Germany & Portugal | France | ||||
| Sample | Healthy (n=30) | Tumour (n=30) | Healthy (n=10) | Tumour (n=20) | Healthy (n=15) | Tumour (n=15) | Healthy (n=28) | Tumour (n=76) |
| Technique | AAS | AAS | TXRF | ICP-AES | ||||
| Weight | dry | dry | wet | wet | ||||
| B | NA | NA | NA | NA | NA | 0.4 (1.5) | 0.4(4.1) | |
| Br | NA | NA | NA | NA | ↑ | NA | NA | |
| Ca | NA | NA | NA | NA | unchanged | NA | NA | |
| Co | 1.79±0.57 | 2.78 ±0.84* | NA | NA | NA | NA | NA | |
| Cr | NA | NA | NA | NA | NA | 5.7(3.9) | 7.9 (8.8) | |
| Cu | NA | NA | 15.9± 0.6 | 6.08 ±3.78 | ↑ | NA | NA | |
| K | NA | NA | NA | NA | ↑ | NA | NA | |
| Mg | NA | NA | 708± 21 | 753.59± 310.54 | NA | 103.3(37.1) | 147.0(52.2)* | |
| Mo | NA | NA | NA | NA | NA | NA | NA | |
| P | NA | NA | NA | NA | NA | NA | NA | |
| Rb | NA | NA | NA | NA | NA | NA | NA | |
| Se | NA | NA | 0.86± 0.07 | 1.17 ±0.73 | ↑ | NA | NA | |
| S | NA | NA | NA | NA | NA | NA | NA | |
| Si | NA | NA | NA | NA | NA | 11.2 (11.8) | 22.3 (29.9) | |
| Zn | 27.16± 9.11 | 18.98± 6.41* | 178± 6 | 69.20±21.03 | ↑ | 15.7(12.9) | 19.7(12.5) | |
AAS Atomic absorption spectrometry, TXRF Total reflection x-ray fluorescence, ICP-AES Inductively coupled plasma atomic emission spectrometry
a
Concentration in μg g-1,
b
Results presented median (IQR),
c
not stated the value,
*
statistically significant (P<0.05),
NA: not available,
↑:
increased