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Comparative analysis of key nutrient composition between drought-tolerant transgenic rice and its non-transgenic counterpart

机译：耐旱转基因水稻与非转基因水稻关键营养成分的比较分析

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Nutritional composition is the main consideration in the safety assessment of foods derived from genetically modified (GM) crops. In this study, the key nutrients in drought-tolerant rice that had been generated by the insertion of AtCYP78A7 encoding cytochrome P450 protein were analyzed. Results were compared with those obtained from its non-transgenic counterpart and other commercial rice. When transgenic rice lines 10B-5 and 18A-4 were compared with the non-transgenic counterpart, no significant differences were found in their contents of proximates, amino acids, fatty acids, minerals, and vitamins. Except for fiber contents and levels of vitamin B2, most of the measured values fit within the reference ranges established for other commercial rice. These results indicate that the key nutritional composition of drought-tolerant transgenic rice is substantially equivalent to its non-transgenic counterpart. Therefore, insertion of AtCYP78A7 to improve drought tolerance does not change the constitution and quality of key nutrients in brown rice.
机译：营养成分是对转基因（GM）农作物食品进行安全评估的主要考虑因素。在这项研究中，分析了通过插入编码细胞色素P450蛋白的AtCYP78A7产生的耐旱水稻中的关键营养素。将结果与从其非转基因对应物和其他商品稻获得的结果进行了比较。当将转基因水稻品系10B-5和18A-4与非转基因水稻品系进行比较时，其近邻氨基酸，氨基酸，脂肪酸，矿物质和维生素的含量没有发现显着差异。除了纤维含量和维生素B2含量外，大多数测量值均在其他商业大米确定的参考范围内。这些结果表明，耐旱转基因水稻的关键营养成分与非转基因水稻基本相同。因此，插入AtCYP78A7以提高耐旱性不会改变糙米中关键营养素的组成和质量。

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