Loranthin: A new polyhydroxylated flavanocoumarin from Plicosepalus acacia with significant free radical scavenging and antimicrobial activity

► The ethyl acetate fraction of a methanolic extract of Plicosepalus acacia was investigated. ► This study reports the isolation of a new and five known compounds. ► The free radical scavenging activities were determined using DPPH reagent. ► The antimicrobial of compound 1 was evaluated against several pathogens ► The compounds were evaluated against several disease-relevant protein kinases.