Analysis of the composition and concentration of fatty acids in transgenic soybean (cp4-epsps1) oil |
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| Authors: | Yukui Rui Wenya Wang and Lei Chen |
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| Affiliation: | (1) College of Resources and Environmental Sciences, China Agricultural University, 100094 Beijing, People’s Republic of China;(2) College of Life Science and Technology, Beijing University of Chemical Technology, 100029 Beijing, People’s Republic of China;(3) SHENZHEN Entry Exit Inspection and Quarantine Bureau, 518117 Shenzhen, People’s Republic of China |
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| Abstract: | The transgenic and non-transgenic soybean seeds oils were extracted and the composition and concentration of the fatty acids
were analyzed by gas chromatography. Sixteen different fatty acids were detected in both transgenic and non-transgenic soybean
oil: C14:0, C16:0, C18:1, C18:2, C18:3, C20:0, C20:1, C20:2, C22:0, C20:5, C22:1, C24:0 and C22:6. The concentration of 12
of 16 fatty acids (C14:0, C16:0, C18:1, C18:2, C20:0, C20:1, C20:2, C22:0, C20:5, C22:1, C24:0 and C22:6) in transgenic soybean
oil were higher than those in non-transgenic one (P < 0.05). The concentration of C17:0 and C18:3 were lower than those in non-transgenic one (P < 0.05). The total fatty acids concentration increases by 12.6 % (P < 0.01). The degree of saturation of transgenic soybean oil increased from 58.7 to 69.8 % (P < 0.01). All the data above show that the insertion of foreign genes can change the concentration of fatty acids in plant
oil. The mechanism for these changes should be studied. |
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