Dried roselle:

1. color: dark and red

2. function: reduce blood press;

resist to scurvy;

remit bronchitis and couch;

used as food coloring matter and food additive

.Hibiscus is one of those flowers used in food and drink.It is probably not the flavour but the curative properties which are sought.

Fujian province is one of the original place for Hibiscus.Researchers find that an extract of hibiscus flower contains some of the same health-giving compounds as red wine and tea.