Experts question the safety of genetic modification: Clenbuterol was found to be too toxic for 20 years

How close is GM rice to us? A Greenpeace report on genetically modified rice, released online in April this year, painted a less optimistic picture. The study, conducted between February and July 2012, focused on rice, rice flour, baby food, and soy products in markets across Beijing, Hubei, Anhui, Guangdong, Sichuan, Jiangsu, Fujian, and Zhejiang. A total of 76 samples were randomly collected and tested for the presence of genetically modified components by independent laboratories. The results revealed that 9 out of the 76 samples tested positive for transgenic material, with 6 containing Bt63 transgenic rice. This means that the contamination rate of illegal transgenes reached 7.9%. Among the samples, four rice samples from Wuhan, Hubei, and Lu’an, Anhui, were found to contain Bt63, a genetically modified variety developed by researchers at Huazhong Agricultural University, including academician Zhang Huai. Bt63 rice was engineered to include the Bt gene, which produces a protein that paralyzes rice borers, reducing the need for pesticides and increasing yields. Despite its potential benefits, the widespread cultivation of genetically modified crops in Hubei had already raised concerns. However, the discovery of Bt63 in Anhui, particularly in Lu’an, sparked new questions about the region’s agricultural practices. A Greenpeace investigation found three rice samples from Shou County, Anhui, testing positive for both NOS and Bt63. These included Fengliangyou rice and two other varieties labeled as coming from Zhouzhai Rice Noodle Co., Ltd. The local government reported that Shou County has a large rice cultivation area—over 109,500 hectares—and that rice is a key economic crop. Yet, despite this, the county lacks major rice processing enterprises, with most operations being small-scale. One such company, Zhouzhai Rice Factory, operated by Wu Kunshan, faced scrutiny after the Greenpeace report. Wu admitted he had no idea how GM ingredients could have entered his product. His factory, established in 2004, had been struggling due to intense competition. After the report went public, local authorities conducted an inspection, sampling refined rice and silk seedlings from the factory. The test results from the Shou County Agriculture Commission indicated that no transgenic components were detected. However, the samples taken in April 2013 were different from those tested by Greenpeace in March 2012. As one official explained, rice has a shelf life, and older stock would likely have been sold or discarded. This highlights the complexity of tracking GM contamination in a region where small-scale production and limited oversight are common. With rice playing a central role in Shou County’s economy, the incident raises important questions about the regulation and transparency of genetically modified crops. While the latest tests showed no contamination, the earlier findings suggest that the issue remains a real concern for consumers and regulators alike.

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