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A few days ago, news from the State Key Laboratory of Genetic Engineering of Fudan University came out. It takes about another two to three years for natural medicine to be bred. Tang Kexuan, who is responsible for the project and the subject of the national “863†project bioengineering technology subject, revealed that the first batch of medicinal tomatoes that will come out will be used for the treatment of hypertension, hematopathy and osteoporosis, respectively. According to experts, this drug tomato is very safe. First of all, in the final product, there will not be any selection markers, and the target genes transferred are all state-approved commercialized exogenous genes. Second, the tomatoes will be cultivated in a greenhouse that is completely isolated from the outside world. It will not cause any adverse gene transfer to other species, nor will it cause pollution to surrounding farmland and the environment. Third, before the market launch of the drug tomato, it will strictly undergo the four stages of the pilot phase, the environmental release phase, the production trial phase, and the production certification application phase of the GM foods. At the time of listing, these special tomatoes will be labelled with a uniform genetically modified logo and a detailed instructions for consumption will be attached. Therefore, the market for pharmaceutical tomatoes is safe and safe for patients. Scientists from the US Agricultural Research Service have recently selected and bred mutant plants from common maize to produce low-yield corn hybrids, which can reduce the loss of phosphorus by 25% to 40% after they are used as feed. According to reports, phytic acid is a form of phosphorus, poultry and livestock are not easy to absorb and use, and most of the phosphorus in corn feed is lost along with animal faeces. A large amount of phosphorus in the water promotes the growth of seaweed, resulting in the consumption of oxygen in the water, which seriously affects the growth of fish and other aquatic microorganisms. Adding enzyme treatment to ordinary corn feed can promote the absorption of phosphorus but increase the cost. Using low phytic acid corn as feed, feeding poultry and livestock can increase the absorption and utilization of phosphorus, and reduce the pollution of water. British scientists recently used genetically modified technology to make newly grown cress rich in polyunsaturated fatty acids in chickens and fish, making cress no longer just a common vegetable in the housewife's vegetable basket, but becoming a kind of “super health careâ€. vegetables. Scientists at the University of Bristol in the United Kingdom isolated three genes responsible for the production of polyunsaturated fatty acids from seaweed and mushrooms and implanted cress. Catherine Collins, a nutritionist at St. George's Hospital in London, said that this kind of genetically modified cress can be eaten directly or fed to the food chain for human consumption. This result is another major advance in functional food research.