Optimization of anthocyanins extracts from roselle (Hibiscus sabdarifa) petals using ultrasonic-assisted extraction method

• Main Authors: Redzuan, Syafiqah, Ho, Chai Yee, Idham, Zuhaili, Yusuf, Suzana, Rahman Putra, Nicky, Che Yunus, Mohd. Azizi, Mansor, Syamila, Ruslan, Muhammad Syafiq Hazwan
• Format: Conference or Workshop Item
• Published: 2021
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/id/eprint/98066/; http://dx.doi.org/10.1007/978-981-16-0742-4_21
• Institution: Universiti Teknologi Malaysia

Roselle petals contain high anthocyanins, a good antioxidant, and natural dark red colorants. Anthocyanins help in reducing risks of cardiovascular disease and colon cancer. But anthocyanins are easily affected by extraction process. Therefore, this study proposed a new method of extracting anthocya...