Abstract
A detection method using the polymerase chain reaction (PCR) was developed to detect genetically modified (GM) potato (NewLeaf Y potato; NL-Y), of which the mandatory assessment has not yet been completed in Japan. The potato sucrose synthase gene was used as an internal control. We designed a primer pair to specifically detect NL-Y without false-positive results in processed potato foods infected with the potato virus Y (PVY). The DNA introduced into NL-Y using the primer pair could be detected from potato powder samples containing 0.05% NL-Y. In addition, we designed primer pairs for recognizing the CryIIIA gene to detect the NewLeaf potato (NL), NewLeaf Plus potato (NL-P) and NL-Y and for recognizing p-FMV in order to detect NL-P and NL-Y. The proposed method was applied to the detection of NL-Y in 26 processed potato foods and NL-Y was not detected in any samples.
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Schedule a callMore From: Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan
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