OMA Protocol Review: OMAMAN-56 Sulfites in Shrimp

RAW SHRIMP HEAD ON

100 150 200

y = 0.8347x + 11.801 R² = 0.99364

0 50

0

50

100

150

200

250

Biofish results (mg/kg)

OMA results (mg/kg)

Figure 6. Graph of mean Biofish results vs OMA results for incurred raw shrimp head on.

Table 4. Method developer results for incurred raw shrimp head off Level Metho d N Day/Anal yst Result (mg/kg ) Accuracy (%) (mean Biofish /mean OMA )* 100

Bias Biofish mean Biofish - mean OMA )

Sr

RSDr (%) /mean cand

[s r

] x

100 7.5

Low level

OMA 3 Day 1

23

-

-

1.7

BIOFIS H

5 Day 1/

26

115

3.4

1.1

4.3

Analyst 1

(30- 150

5 Day 2/

26

114

3.2

1.6

6.3

Analyst 2

mg/kg range)

Mediu m level

OMA 3 Day 1

91

-

-

6.4

7.0

BIOFIS H

5 Day 1/

98

108

7.3

4.4

4.5

Analyst 1

(50- 300

5 Day 2/

97

107

5.9

3.0

3.1

Analyst 2

mg/kg range)

High Level

OMA 3 Day 1

157

-

-

2.9

1.8

BIOFIS H

5 Day 1/

157

100

-0.5

5.3

3.4

Analyst 1

(50- 300

5 Day2/

153

97

-4.1

7.1

4.6

Analyst 2

mg/kg range)

17