Super muffins? Research adds health benefits with hibiscus extract

08 Mar 2023 — Researchers developed a muffin recipe containing an optimal concentration of Roselle calyx extract from the husks of Hibiscus sabdariffa. Dubbed the Roselle muffin, a panel positively tested the product’s taste and texture. The muffin contained high levels of antioxidants, anthocyanin, phenolic and ascorbic acid, which the researchers note are linked to various health benefits.