Roselle beads (IMAGE) RMIT University Caption Roselle extracts have been encapsulated into little beads. They are in a petri dish, which is being held by a blue gloved hand. Credit RMIT University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.