Comparative studies of volatile oil composition of Rhododendron anthopogon by hydrodistillation, supercritical carbon dioxide extraction and head space analysis

Shailja Guleria, Vikas Jaitak, Rikki Saini, Vijay K. Kaul, Brij Lal, G.D. Kiran Babu, Bikram Singh and R.D. Singh

Natural Product Research Part A 25 ( 13 ): 1271 - 1277 , 2011