長野県松本地域で2011年から2012年に販売された豆腐における、RRSの混入状況調査結果
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概要
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Many of Japanese consumers fear and avoid gene modified organisms (GMOs) although they don't know any technology, advantage and disadvantage of it. In addition, a lot of them don't know under 5% of contamination of GMOs to agricultural commodity is considered "unintended commingling" and allows to sign "Non-GMO" to products when they were treated under the identity preserved (IP) handling. In fact not exceeding 5% commingling of the Roundup Ready Soybeans (RRS) from soybean curds were reported in some areas around Japan. However there is not the evidence of the commingling of RRS to Soybean curds distributed at Nagano Prefecture. From these evidences, RRS content rates were examined almost Kinugoshi-tofu, soft and smooth soybean curds, which were sold at Matsumoto-city and its suburbs, Nagano pref., from May 2011 to April 2012. Genome DNA of soybean and RRS specific gene were extracted by silica-based membrane methods arranged for isolation DNA from tofu. RRS and internal control gene, Le1 were detected by realtime PCR-system. 101 samples of soybean curds were examined. The data showed 34 samples (33.7% of 101 samples) contained RRS. All of RRS contents were trace amount and lower than 5%, that was Consumer Affairs Agency's guideline.
- 2013-08-26
著者
関連論文
- 長野県下の高校生や教員を対象とした科学実験教室(第1部 松本大学地域総合研究センター研究員研究報告)
- インターネットおよびDNAチップを活用した高校生へのゲノム教育への実践(第1部 松本大学地域総合研究センター研究員研究報告)
- 長野県松本地域で2011年から2012年に販売された豆腐における、RRSの混入状況調査結果