The synthesis of a proline-rich cyclic heptapeptide, fanlizhicyclopeptide A (8), previouslyisolated from the fruits of Annona squamosa (sugar-apples), is described via coupling oftetrapeptide l-prolyl-l-tyrosyl-l-leucyl-l-proline methyl ester with tripeptide Boc-glycyl-lvalyl-l-proline followed by cyclization of the linear fragment having seven amino acid units.Structure of the synthesized cycl...

Background: Paper mulberry is one of the most common skin-lightening agents in beauty industry due to its strong anti-tyrosinase activity. This narrative review aims summarize chemical composition, biological activities, and applications paper cosmetics. Method: The literature for this article was acquired from PubMed, Web Science, Google Scholar databases before September 2022. keywords search...