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Abstract
The essential oil composition of Bothriochloa bladhi (Retz.) S.T. Blake, an aromatic fodder grass from Palampur (Himachal Pradesh), was analyzed by GC and GC/MS. The major constituents characterized were isoamyl hexanoate (33.2%), isovaleric acid (7.2%), propyl hexanoate (3.5%) and camphor (2.1%). The oil was devoid of acorenone-B and differs from the oils produced from other regions with respect to the sesquiterpenoid content. The chemical composition also revealed that the major categories are long chain esters (41.6%) and oxygenated monoterpens (10.9%). High concentration of isoamyl hexanoate and absence of acorenone-B, intermediol, neointermedeol in the oil makes the grass as a distinct chemo-variant of the species reported so far.