Selenium plays an important role in maintaining human life activities.Biosynthesis nano-selenium is a kind of nano-selenium material prepared by environmentally friendly and sustainable methods.Compared with traditional synthetic methods,green synthetic nano-selenium avoids toxic and harmful chemicals in the preparation process,significantly reducing the risk of environmental pollution.The safety of green synthetic nano-selenium products has been significantly improved,making it widely used in medicine,food and other fields.Green synthetic nano-selenium is expected to play a more important role in medicine,environmental protection,energy,materials science and other fields.Therefore,the green synthetic methods of nano-selenium are reviewed to play a guiding role in the synthesis for new methods of nano-selenium.The research progress of synthetic nano-selenium based on plants,plant proteins and fungi in recent years was reviewed.
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