“…However, novel application methods are being sought for leaf extracts, e.g., as an ingredient in bread, dairy products, or candies [ 4 , 5 , 6 , 7 , 8 , 9 ], despite the legal difficulties related to adding Morus leaves to food products in some regions, e.g., the European Union. Mulberry leaves differ in chemical composition, including in terms of polyphenols, depending on the cultivar or species used and growing conditions, which results in diverse functional properties [ 10 ]. What is more, the processing of the leaves may also modify their properties due to the changes occurring during the treatment processes.…”