“ In Germany, Where the production of rape oil centres, two principal oil-seeds—rape and Rübsen—are well recognized. (See Rape.)
The oil yielded by these seeds is, in physical and chemical properties, practically the same, the range of fluctuations not being greater than would be found in the oil of any specific seed under similar varying conditions of production; the winter varieties of all the seeds are more productive than the summer varieties. Newly pressed rape oil has a dark sherry colour with, at first, scarcely any perceptible smell ”