Potential beneficial effects of functional components of edible plants on COVID-19: Based on their anti-inflammatory and inhibitory effect on SARS-CoV-2
2023
Yijing Pu | Luyao Chen | Xu He | Yuxia Ma | Jiankang Cao | Weibo Jiang
COVID-19, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a major public health threat. Edible plants are rich in bioactive components, with a variety of functions, such as enhancing immunity, antiviral, anti-inflammatory and so on. Thus, the intake of edible plants to boost the body's resistance to COVID-19 is a promising and possibly affordable strategy. This review revisits the effects of functional components from edible plants (such as polyphenols, polysaccharides, lectin, alkaloids, polyunsaturated fatty acids, terpenoids, and saponins) on COVID-19. The inhibitory effects of bioactive components on the virus's entrance and replication, anti-inflammatory and immune enhancement are discussed. And finally, we present the prospects of using edible plant functional ingredients as vaccine adjuvants and the prospects and problems in the use of edible plant functional components for the prevention of COVID-19. Functional components of edible plants interacted with structural proteins of SARS-CoV-2 virus and key enzymes in virus recognition and replication, thereby inhibiting virus entry and replication in the host. Meanwhile, these bioactive components had anti-inflammatory effects and could inhibit cytokine storms. Therefore, we believe that functional components from edible plants can enhance human resistance to COVID-19 and can be applied in the development of new therapies.
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