AI Article Synopsis
- A study surveyed aflatoxin B (AFB) levels in peanut oil from family workshops in western Guangdong (2016-2017) using ELISA and UPLC-MS/MS for analysis.
- AFB was detected in 22.5% of samples in 2016 and 15.1% in 2017, with contamination peaking in spring.
- Overall, there was a notable reduction in AFB presence after 2016, highlighting the need for better regulation of AFB in locally produced oils.
Article Abstract
Aflatoxin B (AFB) occurrence in peanut oil samples randomly collected from family workshops in western Guangdong during 2016-2017 (n = 427) was surveyed. AFB content was screened by enzyme-linked immunosorbent assay (ELISA) protocol and analytically confirmed with an UPLC-MS/MS method. The limit of detection of the ELISA method was 1.08 μg kg. The recovery values ranged from 84.4 to 92.6% with relative standard deviations of 2.2 to 4.8%. AFB was quantified in 47 samples (22.5%) with a range of 15.4-49.9 μg kg in 2016 and in 33 samples (15.1%) with 8.8-22.2 μg kg in 2017, respectively. The AFB contamination in peanut oil was season-depended in western Guangdong with the worst case in spring (24.2-37.9%). Overall, a significant reduction of AFB occurrence was observed in western Guangdong after 2016. It is advisable to control AFB in bulk and self-pressed oil from family workshops and regulate it mandatorily if necessary.
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| http://dx.doi.org/10.1080/19393210.2018.1544173 | DOI Listing |
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