RESUMO
Composition of the volatile oils of the C.bigaradia, C.limon and C.delicosa have been investigated. The plant materials [leaves] were collected in spring 2000 from Corta [The medicinal plants garden] near Tonecabon, North of Iran. The oils were collected by means of hydrodistilation procedure. The yields were 1.4% v/w, 1.1 % v/w and 1% v/w respectively. Subesequently the oils were analyzed by gas chromatography mass spectrometry. The main constituents of C.bigaradia were linallol [38.72%], linalyl acetare [36.52%], [alpha]-terpineol [8.68%], of C.limon were geranial [31.45%], neral [23.16%], [beta]-pinene [22.39%] and limonenc [6.7%] and of C.deliciosa were sabinene [37.64%], linallol [36.60%], ?-3-carene [4.42%] and citronellal [3.81%]
RESUMO
The effect of some ecological factors on the survival of Trichophyton violaceum T.mentagrophytes and M. gypseum was studied. Three types of sterile soil, weakly alkaline [pH =7.9].neutral [pH=7.1] and acid [pH =5.6], and two conditions of wet and dry environments at different temperatures [-8, +8, + 1s, +3O, I 445 were examined. After 4, 10,15,30,60, and 90 days the survival of these fungi were studied. Survival was best in weakly alkaline soil, dry or wet conditions, at temperature below 30c although M. gypseum could resist 44c in a dry condition for more than 90 days. The present study showed that the type of soil is the determinative factor for survival and distribution of these fungi