The rhizome of Alpinia Galanga, Willd., which formerly entered commerce as Rhizoma s. Radix Galangae majoris, yields upon distillation 0,04 p.c. (fresh root) of oil. An oil obtained from A. J. Ultee in Salatiga, Java, had a lemon-yellow color and a peculiar, decidedly spicy odor. Upon examination in the laboratory of Schimmel & Co.5), it revealed the following properties: d15o0,9847; aD+4°20'; nD20o1,51638; A.V. 1,8; E.V. 145,6; soluble in 1 vol. of 80 p.c. alcohol, the addition of 3 vol. of solvent producing opalescence.

1) Chem. Ztg. 26 (1902), 308.

2) Schimmel's Bericht April 1890, 21.

3) Pharm. Zeitschr. f. RuBland 39 (1900), 378.

4) Chem. Ztg. 36 (1902), 308.

5) Report of Schimmel & Co. October 1910, 148.

A second oil examined by Ultee1) himself had the following properties: d29o 0,968; a27,50o abt + 6°. The oil contained 48 p.c. of cinnamic acid methyl ester (m. p. 34°). The cineol content (b.p. of the cineol 175 to 177°; m.p. of the iodol derivative 112°) was about 20 to 30 p.c. In addition a hydrocarbon with a turpentine-like odor (b.p. 151 to 161°; d25o 0,8566; aD27o+14,90°), presumably d-pinene, also camphor (m.p. 170 to 175°) were found.

From the leaves of Alpinia Galanga an oil can also be obtained, though in but small percentages. It probably contains cinnamic acid methyl ester, since upon saponification it yielded cinnamic acid1).