PNLIP and obesity due to melanocortin 4 receptor deficiency: Furthermore, investigations by Noorolahi et al. (2020) on the tannin fraction of pistachio green-hull extract and by Aabideen et al. (2020) on Taraxacum officinale provided insights into the pancreatic lipase inhibitory and antioxidant activities of plant extracts, suggesting their potential as functional foods for managing obesity [38,39].