Table 8 Occurrence of AFs and OTA of soybean paste 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 | 2/5 (7.3–15.3) | 3/5 (0.9–7.8) | 0/5 (< 0.0) | 0/5 (< 0.0) | 4/5 (1.1–16.2) | 3/5 (6.9–22.9) | 7/15 (2.58) | 9/15 (4.04) |
Gyeonggi | 1/8 (1.1) | 2/8 (1.8–3.4) | 0/8 (< 0.0) | 0/8 (< 0.0) | 3/8 (1.1–3.4) | 5/8 (1.6–6.2) | |||
Gangwon | 0/2 (< 0.0) | 0/2 (< 0.0) | 0/2 (< 0.0) | 0/2 (< 0.0) | 0/2 (< 0.0) | 1/2 (0.88) | |||
Area II | Chungcheongbuk | 0/3 (< 0.0) | 0/3 (< 0.0) | 0/3 (< 0.0) | 0/3 (< 0.0) | 0/3 (< 0.0) | 2/3 (1.6–1.7) | 1/15 (0.8) | 13/15 (9.3) |
Chungcheongnam | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 4/4 (2.5–24.1) | |||
Gyungsangbuk | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 1/4 (1.44) | 1/4 (< 1.44) | 3/4 (2.8–26.3) | |||
Jeollabuk | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 0/4 (< 0.0) | 4/4 (3.2–14.6) | |||
Area III | Jeollanam | 1/8 (2.8) | 0/8 (< 0.0) | 1/8 (5.2) | 0/8 (< 0.0) | 2/8 (2.8–5.2) | 0/8 (< 0.0) | 3/15 (0.59) | 0/15 (0.0) |
Gyungsangnam | 0/7 (< 0.0) | 0/7 (< 0.0) | 0/7 (< 0.0) | 1/7 (0.9) | 1/7 (0.9) | 0/8 (< 0.0) | |||