抄録
(A) Hiroshima Rape Seed Oil.
The seeds of Brassica pektnesis R. or Hiroshima rape, indigeneous in Hiroshima district of Japan, were blackish brown in colour, and contained 36.6% of yellow colored oil. The oil had the following charactenstics : d154 0.9078, n20D 1.4698, A. V. 3.06, S. V. 173.2, I. V. (wijs) 104.4, unsaponifiable matter 1.38%.
The fatty acids were compcsed of 57.8% of solid acids (mainly myristic, palmitic, and behenic), and 41.7% of liquid acids (mainly tsuzuic, zoomaric, oleic, gadoleic, and an acid having different constitution of ordinary erucic acid). Phytosterol was isolated from the unsaponifiable matter.
(B) Chinese milk-vetch seed oil.
The Chinese milk-vetch seed oil obtained from Astragalus sinicus, L. was investigated and properties of the oil were as follows, oil content 5 90%, n20D.
1 4719, A V 15 7, S V 193 7, I V (wijs) 129. 6, and unsaponifiable matter 5 04%.
The fatty acids of oil consisted of 25. 44% of saturated acids and 73. 68% of unsaturated. The saturated acids chiefly consisted of stearic, and C14, C16, C20, C24 acids The chief composition of liquid fatty acids was oleic, linoleic, and linolenic Phytosterol was detected from unsaponifiable matter