An oil obtained by pressing peanut seeds (beans) under cooling. It has a pale yellow to pale greenish yellow color with a faint, characteristic aroma. Specific gravity d 15 = 0.915-0.921, freezing point 0-3°C, saponification value 188-197, iodine value 82-109. It contains 0.2-9.1% unsaponifiable matter. The main component is the glyceride of oleic acid (42.3-61.1%), and the other glycerides are a mixture of palmitic acid, stearic acid, linoleic acid, hypogeic acid C 16 H 30 O 2 , and arachidic acid C 20 H 40 O 2 . Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ラッカセイの種子(豆)を冷却下で圧搾して得た油。淡黄色ないし淡緑黄色のかすかな特有の香りをもつ。比重d15=0.915~0.921,凝固点0~3℃,ケン化価188~197,ヨウ素価82~109。不ケン化物を0.2~9.1%含有する。主成分はオレイン酸のグリセリド(42.3~61.1%)で,ほかにパルミチン酸,ステアリン酸,リノール酸,ヒポゲイン酸C16H30O2,アラキン酸C20H40O2などのグリセリドの混合物。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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