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非转基因大豆油含有高浓度有益于人体健康的不饱和脂肪酸——亚油酸(18:2)和亚麻酸(18:3),但其不稳定的构象易使大豆油氧化酸败。多不饱和脂肪酸碳碳双键氢化会产生较为稳定的单不饱和脂肪(即油酸,18∶1)和饱和脂肪(即硬脂酸,18∶0)。因此工业上开发了化工和酶法等工艺生产氢化大豆油。然而氢化过程会在不同位置发生不完全饱和导致副产物反式脂肪酸的产生,不利于身体健康。为了不产生反式脂肪酸,利用转基因方法,将FAD2-1基因插入大豆中,使大豆的omega-6的脱氢酶在转录过程中沉默,
Non-GMO soybean oils contain high levels of beneficial fatty acids - linoleic acid (18: 2) and linolenic acid (18: 3), which are beneficial to human health. However, their unstable conformation easily oxidizes soybean oil. Polyunsaturated fatty acid carbon-carbon double bond hydrogenation will produce a more stable monounsaturated fat (ie oleic acid, 18: 1) and saturated fat (ie stearic acid, 18: 0). Therefore, the industrial development of chemical and enzymatic processes such as the production of hydrogenated soybean oil. However, the hydrogenation process will occur in different locations incompletely saturated lead to the byproduct of trans fatty acids, is not conducive to good health. In order not to produce trans-fatty acids, the FAD2-1 gene is inserted into soybeans using a transgenic method to silence soybean omega-6 dehydrogenase during transcription,