German scientists have recently cultivated a kind of genetically modified carrots that have the role of hepatitis B vaccine. By eating raw or juicing, they can achieve the effect of vaccination, which is very simple and easy. Hepatitis B vaccines currently used are usually obtained from the culture medium of yeast cells, which is time consuming, laborious, and costly. To overcome these shortcomings, researchers at Giessen University began to consider using food as a carrier to develop vaccines that can be continuously regenerated. After repeated comparisons and selections, the researchers finally selected carrots, which are considered to be easier to transport than tomatoes and lettuce and are resistant to storage and are suitable for planting around the world. According to reports, the process of breeding genetically modified carrots carrying hepatitis B vaccine is to first inject the surface protein gene of the hepatitis B virus pathogen into carrots, and further increase the protein concentration with a specific catalyst. On the eve of carrot maturation, hormones are used to “activate†the hormones. Genes promote its maximum production of vaccines. Experts said that there is still a need for further clinical trials of this study to verify the immune effect. In addition, they also emphasized that because hepatitis has multiple types of disease, it is advocacy to inoculate a mixed vaccine to prevent hepatitis.
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