Impacts of different drying strategies on drying characteristics, the retention of bio-active ingredient and colour changes of dried Roselle

• Main Authors: Tham, Thing Chai, Ng, Mei Xiang, Gan, Shu Hui, Lee, Suan Chua, Abdul Aziz, Ramlan, Chuah, Luqman Abdullah, Ong, Sze Pheng, Chin, Nyuk Ling, Law, Chung L.
• Format: Article
• Published: Chemical Industry Press 2018
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/id/eprint/85664/; http://dx.doi.org/10.1016/j.cjche.2017.05.011
• Institution: Universiti Teknologi Malaysia

The drying kinetics of Roselle (Hibiscus sabdariffa L.) of variety Terengganu (UMKL-1) and the quality attribution of Roselle were studied. The experiments were conducted using four different drying methods, including solar greenhouse drying (SD), solar greenhouse with intermittent heat pump drying...