Background: Kashan's rose-water has a high celebrity in Iran and around the world. Rose-water has used in Iranian traditional medicine for treatment of cardiac and rheumatic pain and in food indust r ies such as production of ice cream and cookies. This research is conducted for determination of essence value of produced Rose-water in Kashan, Spring of 2005.

Materials and Methods: This study was a descriptive study. Rose-water samples were collected from workshops, factories and supplying centers in Kashan in 2005 (398 samples) and transferred to lab. In the laboratory, chemical tests for determination of the essence value were carried out according to the Pantan method. Minimum acceptable of Rose-water essence is 12mg/100cc, thus, any Rose-water is classified to three type light (0.1- 11.9), middle (12-35) and high (> 35). Findings were analysed by the use of t test.

Results: Essence quality of produced Rose-water in Rose-water workshops and supplying shops showed that essence values were 76.7% of the workshops and 27.5% of supplying shops higher than 12mg/100 (p< .0001). Thus, essence value of factories were higher than 12mg/100 (58.3%).

Conclusions: Essence value of Rose-waters were acceptable in most factories but essence value samples in most supplying shops were low. Thus, Kashan health politician’s and administrators should arrange appropriate strategies for standardization and increasing of rose-water quality.