Cotton seed oil - Menjitsuyu (English spelling)

Japanese: 綿実油 - めんじつゆ(英語表記)cotton seed oil
Cotton seed oil - Menjitsuyu (English spelling)

A semi-drying oil obtained from cottonseeds after the cotton fiber has been removed. Cotton is mainly produced in the United States, India, and China. The oil is extracted by pressing and solvent extraction. The seeds contain 15-35% oil, and the kernels 35-40%. Melting point 4°C to -6°C. Iodine value 90-120. Saponification value 190-200. The component fatty acids are 35-55% linoleic acid, 15-35% oleic acid, and 20-30% solid fatty acids. Since there is a considerable amount of solid fatty acids, winter oil can be obtained by cooling to precipitate them and filtering them. It is mainly used as an edible oil. It is also used in margarine. The oil cake makes a good fertilizer.

[Kazuo Fukuzumi]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

綿繊維をとったあとの綿実から得られる半乾性油。ワタの主産地はアメリカ、インド、中国である。圧搾溶剤抽出法で採油する。種子の含油量15~35%、核の含油量35~40%。融点4~零下6℃。ヨウ素価90~120。けん化価190~200。成分脂肪酸は、リノール酸35~55%、オレイン酸15~35%、固体脂肪酸20~30%。固体脂肪酸が相当量存在するから、冷却してこれを析出させ、濾過(ろか)すれば、ウィンターオイルを得る。主として食用油として用いられる。またマーガリンにも使用される。油かすは良好な肥料となる。

[福住一雄]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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