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Table 3 Comparison of bioaccessibility results obtained with the same test materials

From: Experimental determination of the oral bioavailability and bioaccessibility of lead particles

MATERIAL

TEST TYPE

GASTRIC IVBA %

INTESTINAL IVBA %

REFERENCES

Montana

PBET

67.3

 

[88]

SRM 2710 soil

PBET

29±5 to 46±29

 

[92]

RBA 76% †

PBET

 

54-62±1*

[102]

 

PBET

76.1±11

10.7±2.3

[57]

 

PBET

 

30-35

[90]

 

RIVM

79±4

25±1

[96]

 

RBALP

75±5

 

[84]

 

UBM

75

27

[65]

Montana

DIN

 

46±2

[82, 90]

SRM 2711 soil

SHIME

 

3±0.3

 
 

TIM

 

17±3

 
 

RIVM

 

11±2

 
 

SBET

90±2

  
 

PBET

 

10-20 (60 for chicken bile)

 
 

PBET

85±5

13±1

[96]

 

RBALP

84±6

 

[84]

 

UBM

80

33

[65]

Bunker Hill soil

PBET

75

 

[88]

RBA adults 62±25% ‡

PBET

 

70±11*

[102]

 

RIVM

87.6 ± 8.4

45.4 ± 4.0

[86]

 

PBET

 

13±0.8

[87]

 

DIN

 

13.6±0.6

 
 

SHIME

 

2.0±0.1

 
 

RIVM

 

31.8±2.5-47.4±3.2

 
 

TIM

 

32.5±4.5

 

Flanders soil

DIN

 

31±3

[82]

 

SHIME

 

4±1

 
 

TIM

 

13±3

 
 

RIVM

 

66±9

 
 

SBET

91±4

  

Oker 11 soil RBA 55% §

DIN

 

16±2

[82]

 

SHIME

 

1±0.1

 
 

TIM

 

4±1

 
 

RIVM

 

29±2

 
 

SBET

56±4

  
 

IVG

 

20

[62]

 

SBRC

66.8±2.3

62.9±11

[67]

  1. IVBA–in vitro bioaccessibility;*bioaccessible Pb (mg) included Pb leached in G&I phases;†RBA on juvenile swine[65];‡RBA on human adults [38, 86];§RBA on juvenile swine[62].
  2. Tests simulating a fasting state.