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Table 6 Occurrence of AFs and OTA in meju from three areas

From: Natural occurrence of aflatoxins and ochratoxin A in meju and soybean paste produced in South Korea

Region

Number of positive samples/total number of samples

Range

Mean

AFB1

(μg/kg)

AFB2

(μg/kg)

AFG1

(μg/kg)

AFG2

(μg/kg)

Total AFs

(μg/kg)

OTA

(μg/kg)

Total AFs

(mean, μg/kg)

Total OTA

(mean, μg/kg)

Area I

Seoul

1/3 (0.6)

0/3 (< 0.0)

1/3 (0.1)

0/3 (< 0.0)

0/3 (< 0.0)

2/3 (57–115.5)

4/31 (0.8)

15/31 (24.6)

Gyeonggi

1/17 (4.9)

0/17 (< 0.0)

1/17 (0.2)

0/17 (< 0.0)

1/17 (5.1)

6/17 (0.3–152.4)

Gangwon

3/11 (5.5–9.7)

1/11 (1.4)

1/11 (0.2)

0/11 (< 0.0)

3/11 (5.7–9.8)

7/11 (0.1–193.2)

Area II

Chungcheongbuk

0/7 (< 0.0)

0/7 (< 0.0)

0/7 (< 0.0)

0/7 (< 0.0)

0/7 (< 0.0)

3/7 (0.7–3.0)

4/35 (3.2)

18/35 (6.8)

Chungcheongnam

1/7 (19.6)

1/7 (16.9)

0/7 (< 0.0)

0/7 (< 0.0)

1/7 (36.5)

5/7 (0.1–67.0)

Gyungsangbuk

1/12 (21.4)

1/12 (19.9)

0/12 (< 0.0)

0/12 (< 0.0)

1/12 (41.3)

6/12 (0.6–36.0)

Jeollabuk

1/9 (15.6)

0/9 (< 0.0)

2/9 (0.2–18.6)

1/9 (1.1)

2/9 (0.2–35.3)

4/9 (0.2–102.0)

Area III

Jeollanam

1/17 (4.5)

0/17 (< 0.0)

1/17 (0.6)

0/17 (< 0.0)

1/17 (5.2)

12/17 (0.1–3.7)

2/31 (0.2)

18/34 (0.7)

Gyungsangnam

1/17 (1.5)

0/17 (< 0.0)

0/17 (< 0.0)

0/17 (< 0.0)

1/17 (1.5)

6/17 (0.1–11.1)