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) |