PTPN1 and type 2 diabetes mellitus: Among the sesquiterpenoids and diterpenoids isolated, several serrulatane diterpenoids displayed inhibitory activity towards mainly PTP1B and α‐glucosidase, two targets relevant for management of type‐2 diabetes (T2D) (Figure 4) (Petersen et al., 2022; Wubshet et al., 2016; Zhao, Kjaerulff, et al., 2019).