Physico-chemical investigation of the essential oils and extracts of the rhizomes of Alpinia officinarum Hance and berries of Juniperus communis Linn

Natural Products Laboratory, Department of Chemistry, Gurukula Kangri University, Hardwar-249 404,
Uttaranchal, India
E-mail : akindray@sancharnet.in
Manuscript received 16 May 2005, revised 1 July 2005, accepted 7 November 2005

The present paper reports isolation of essential oils from the rhizomes of Alpinia officillarum and berries of
Juniperus communis. The specific gravities, specific rotation, acid values, ester number before and after acetylation,
acetyl values and iodine values of the oils are also reported.