Tehran, Dec 9, IRNA - Iranian researchers have produced a herbal mouthwash containing the extract of green tea, calendula, eucalyptus, thyme and peppermint.

Tehran, July 1, IRNA – Director of Technology Department of Shahid Beheshti University, Omid Ranaie, said on Sunday that export of herbal products to Germany has earned 800,000 euros in two years.<