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Is northeast sticky corn genetically modified?
At most, it is gene separation and free combination, plus selective expression; Corn itself has the difference between stickiness and non-stickiness, instead of introducing new genes from the outside, so it is not genetically modified.
Sticky corn is gene separation and free combination, plus selective expression; Corn itself has the difference between stickiness and non-stickiness, instead of introducing new genes from the outside, so it is not genetically modified. Officially, there is no genetically modified corn in China at present, and of course there is no genetically modified corn on the market.
The difference between sticky corn and ordinary corn lies not in the amount of sugar, but in their starch structure. Just like glutinous rice and ordinary rice are mainly different in starch structure. The starch structure of ordinary corn is right-handed, that is, in the long chain of starch structure, it turns right one by one. The starch of sticky corn is left-handed, but it turns to the left.
Compared with ordinary corn, sticky corn is not only sweet and delicious, but also more nutritious. The nutritional value of sticky corn is 1 to 2 times higher than that of ordinary corn, and the content of "life element" selenium is 8- 10 times higher. Among 17 amino acids, 13 is higher than common corn, which has good health care function.
From the birth of the earliest transgenic crop (tobacco) in the world in 1983 to the approval of the extended-ripening and fresh-keeping transgenic tomato developed by Monsanto in the United States in 1994, the research and development of genetically modified food developed rapidly, and the variety and output of products also increased exponentially. As a new biotechnology means, the immaturity and uncertainty of transgenic technology make the safety of genetically modified food become the focus of attention.
In the international community, as of 20 10, the commercialization of wheat staple food in the United States has not been promoted, Japan banned the import of genetically modified rice from the United States, and India stopped the commercialization of genetically modified eggplant.
Extended data:
The so-called genetically modified food is to transfer one or more foreign genes into a specific organism through genetic engineering technology, and make it effectively express the corresponding products (polypeptide or protein). This process is called transgene. The food produced by genetically modified organisms is genetically modified food.
According to the different sources of genetically modified food, it can be divided into plant genetically modified food, animal genetically modified food and microbial genetically modified food.
From the birth of the earliest transgenic crop (tobacco) in the world in 1983 to the approval of the extended-ripening and fresh-keeping transgenic tomato developed by Monsanto in the United States in 1994, the research and development of genetically modified food developed rapidly, and the variety and output of products also increased exponentially. As a new biotechnology means, the immaturity and uncertainty of transgenic technology make the safety of genetically modified food become the focus of attention.
References:
Baidu encyclopedia-classification of genetically modified foods
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