In Buitenzorg2) oils have been distilled both from the root tubers and the rhizomes of Andropogon citratus the properties of which are recorded in the following table:

Oil from tubers

Oil from rhizomes

Yield

abt. 0,2%

0.2%

d26o

-

0.94

aD

-1°40'

- 3°40'

Citral content

82%

11%