“…From the ancient times, natural plants significantly contributed to the discovery and development of many emerging medicines in almost all of the therapeutic categories ( Atanasov et al, 2021 ). In recent days, phytomedicines, nutraceuticals and herbal medicines have attracted the attention of researchers for extensive investigations with an aim of the discovery and development of medicaments for the treatment of diabetes ( Chen et al, 2018 ; Chen et al, 2019 ; Munira et al, 2020 ; Sarker and Soma, 2020 ), cancer ( Sheikh et al, 2017a ; Sheikh et al, 2017b ; Shajib et al, 2018 ), autoimmune and immunocompromised conditions ( Goto et al, 2010 ; Sarker et al, 2011 ; Sarker et al, 2012a ; Sarker et al, 2012b ; Sarker, 2012 ; Sarker et al, 2012 ; Sarker and Gohda, 2013 ; Sarker et al, 2014 ; Sarker et al, 2016 ; Sarker, 2021 ), inflammation and infectious diseases ( Imam et al, 2013 ; Sarker, 2015 ; Rouhi et al, 2017 ; Nesa et al, 2018 ), hyperlipidemia ( Kazemipoor et al, 2015 ; Sarker, 2015 ), and neurological and adaptogenic problems ( Das et al, 2017 ; Ibrahim et al, 2020 ) due to the limitations of conventional drugs because of the development of drug resistance and adverse effects and chronic toxicities in long term treatment. Carica papaya L. is an important medicinal plant which has recently been explored for investigations of its medicinal properties and identification of its bioactive compounds and establishment of their mechanism of actions.…”