Science and Education Publishing American Journal of Pharmacological Sciences 1 1 2013 04 20 Persian Manna in the Past and the Present: An Overview 35 37 EN Farid Ramezany Narges Kiyani Masoumeh Khademizadeh Traditional Pharmacy School of Traditional Medicine, Tehran University of Medical Sciences, Tehran, Iran AJPS2013131 10.12691/ajps-1-3-1 2013 01 15 2013 04 19 2013 04 20 Persian Manna is the most economically important manna in Iran which is collected mainly in Iran and Transoxiana. It is exudates from stems and leaves of camel's thorn (Alhagi persarum Boiss. & Bush.), probably by action of an insect. It forms sweet, semisolid resinous tears on the shrubs. Persian manna has different uses in Persian traditional medicine, ethno medicine and sweetmeats. Among the various effects attributed to Persian manna, laxative and cholagogue properties are more prominent than the others. On the basis of indications and contraindication described in old writings, it is used as an immunostimulant agent. Phytochemical profile of this manna shows some controversies between studies that are discussed briefly.