油化学
Online ISSN : 1884-2003
ISSN-L : 0513-398X
23 巻 , 12 号
選択された号の論文の11件中1~11を表示しています
  • 橋本 哲太郎
    1974 年 23 巻 12 号 p. 765-770
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
  • 梶本 五郎, 吉田 弘美, 森田 修吾
    1974 年 23 巻 12 号 p. 771-776
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    In the previous papers, the authors reported that tocopherol showed the effect to reduce the toxicity of thermally oxidized oil in rats.
    The present paper deals with the biological effect of oryzanol on rats fed thermally oxidized oil.
    1) The rats fed thermally oxidized oil showed growth depression, whereas better growth was observed those fed the same oil with tocopherol and/or oryzanol. The effect of oryzanol on the weight gain of rats was found less than that of tocopherol.
    2) Feeding of thermally oxidized oil reduced the percentages of C18:2 and C20:4 in liver, kidney and testicle lipids, however, they were increased by the addition of tocopherol and/or oryzanol in the diets. These results indicated that oryzanol has some antioxidative activity for the oxidation of polyunsaturated fatty acid in tissues, but this activity was weaker than tocopherol.
    3) Hemolysis rates of erythrocyte of rats fed thermally oxidized oil was much higher than those of fresh oil or the same oil with oryzanol.
  • 冨岡 文枝, 金田 尚志
    1974 年 23 巻 12 号 p. 777-781
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    PCの加熱かっ変反応の機構を明らかにしたいと考え, PCを水存在下, 180℃で加熱してかっ変物を作り, その性状を検討した。その結果, かっ変物はグリセロリン脂質の構造を有し, その脂肪酸部分で重合してかっ変しており, かっ変部分にはほとんど窒素, リンを含まず, カルボニル基を含む共役系によりかっ変が生じているといえた。これらのことから, PCを加熱した際のかっ変の主経路として, まず, PCの脂肪酸部分に官能基を生じ, これがリン酸, あるいはコリンの触媒作用により重合体を形成する。この重合はアルドール縮合様の反応であり, かっ変は反応の進行に伴い進むのであろうと推定された。
  • 冨岡 文枝, 金田 尚志
    1974 年 23 巻 12 号 p. 782-786
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    著者らは, 第1報において, PCの加熱かっ変反応の初期の中期体は, PCの脂肪酸部位に官能基を持つ構造であろうと推定した。そこで, この中間体について検討した。その結果, 275mμに極大吸収を持つ化合物が反応の中間体である可能性があり, かっ変にはカルボニル基が必要であることがわかった。そして, 加熱反応系のレシチン区分の主カルボニル化合物は共役ジエノンを有する9-oxo-10, 12-octadecadienoic acidと13-oxo-9, 11-octadecadienoic acidの異性体混合物であった。これらのことから, かっ変反応は反応初期に, PCの脂肪酸部位に共役ジエノンの形成があり, この不飽和カルボニルが, リン酸あるいはコリンの触媒作用を受けて, 進行するものと考えられた。
  • 島村 馬次郎, 吉永 晴雄, 前川 貞光, 鎌田 恒夫
    1974 年 23 巻 12 号 p. 787-791
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    Several marine oils such as fin whale, turbot, saury pike, mackerel and cod oils were investigated in order to manufacture lower melting hydrogenated oil which will have high oxidation stability and good plastisity. Reactivity and selectivity of hydrogenation, oxidation stability of hydrogenated oil and performance of plastic fat were examined.
    Experimental conditions were as follows ; catalyst : 2 wt% of Cu-Cr-Mn catalyst, temperature : 190200°C, pressure : 0.2 kg/cm2, agitation speed : 600700 rpm, reaction time : 4 hours.
    1. Saturated fatty acids were not almost produced, but a small amount of or a trace of trienoic and polyenoic acids was still remained when the reaction ended. Trans acid contents in hydrogenated oils were about 18% except in hydrogenated turbot oil. The contents of trans acid increased rapidly when iodine value of oil decreased to around 100.
    2. The lowest melting hydrogenated oil was turbot oil, while the highest melting one was mackerel oil which contained originally the most amount of saturated fatty acids and polyenoic acids.
    3. A trace of catalyst was confirmed after filtration of hydrogenated oil. Cr and Mn were not almost detected, but Cu was found below 1 ppm by atomic absorption method in the oil which was bleached with active clay after washing with phosphoric acid and alkaline water.
    4. The oxidation stability of selective hydrogenated oil with Cu-Cr-Mn catalyst was inferior than with nickel catalyst.
  • 根来 健二, 五藤 芳和
    1974 年 23 巻 12 号 p. 792-796
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    Three samples of sodium 2-n-alkylindole sulfonate [alkyl : heptyl (R-7 : abridged sign of this compound), undecyl (R-11), pentadecyl (R-15)] were prepared by the following process,
    _??_-CH3-NH2 RCOCl→-HCl_??_-CH3-NHCOR NaNH2→-H2O_??_-N-H-R H2SO4→-H2O NaO3S+_??_-N-H-R
    and identified by elementary analysis, IR and NMR. The physico-chemical properties such as specific gravity, relative viscosity, surface tension, specific electrolytic conductivity. solubilization (dyestuff), sedimentation (CaCO3), emulsification (liquid paraffin) and wetting efficiency (feltcloth) were measured for the aqueous solution of these surfactants.
    The results obtained were as follows ;
    1) R-11 decreased the surface tension of water approximately to 4045 dynes per cm.
    2) R-15 was most excellent amoung many other surfactants in abilities of the solubilization of dyestuff, deflocculation of calcium carbonate and emulsification of liquid paraffin.
  • 山田 仁穂, 山崎 真
    1974 年 23 巻 12 号 p. 797-803
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    Solution polymerization of acrylamide was carried out using n-dodecyl amine as a solvent and sodium methoxide or benzoyl peroxide as an initiator. The chemical structures of the obtained telomers are as follows :
    by anionic telomerization (LAA series)
    C12H25-N- (CH2-CH2-CONH) -m (CH2-CH) n-H-CONH2- (CH2-CH2-CONH) -m' (CH2-CH) -n'H-CONH2 (m+m') /P_??_ 0.8
    by radical telomerization (LAR series)
    C11H23-C-H-NH2- (CH2-CH) nH-CONH2
    The degree of polymerization of obtained telomers was as follows ; LAA series =4.722.0, LAR series =1.23.6.
    The chemical structures of these telomers were determined by elementary analysis, IR spectrum, Rimini test and hydrolysis test [LAA series were hydrolyzed about 20% of acrylamide unit (monomeric unit) by 0.5 N-NaOH aqueous solution]. Relation between cmc and Pn of LAA series are as follows ;
    log cmc=0.051 Pn-1.55
    The aqueous solutions of low Pn telomers (LAA and LAR series) have low surface tension, low foamability, low dispersing power (CaCO3), high emulsifying (benzene, gasoline) and high solubilizing power (Orange OT).
  • 松原 義治, 木村 順一, 浦田 次郎, 野口 雅義, 吉田 幸弘
    1974 年 23 巻 12 号 p. 804-809
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    Diethylene glycol monoterpenyl ethers (containing terpenyl group : isobornyl [11], n-bornyl [16], 1-β-fenchyl [18], α-terpinyl [23] and β-terpinyl [28]), triethylene glycol monoterpenyl ethers (containing terpenyl group : isobornyl [12], n-bornyl [17] 1-β-fenchyl [19] and α-terpinyl [24]) and polyethylene glycol monoterpenyl ethers (containing terpenyl group : isobornyl [13], [14], [15], 1-β- fenchyl [20], [21], [22] and α-terpinyl [25], [26], [27]) were prepared by the reaction of various terpene hydrocarbons such ascamphene [1], tricyclene [2], 2-pinene [3], 2 (10) -pinene [4] and 1, 8-p-menthadiene [5] with diethylene glycol [6], triethylene glycol [7] and polyethylene glycol (MW=200 [8], 400 [9], 600 [10]) in the presence of cation exchange resin at 50°+2°C. These structures were confirmed by physical constants, IR and NMR. Surface activities such as surface tention, foaming property, penetrating power solubilizing power and emulsifying power of these nonionic surfactants were investigated.
    As a result, triethylene glycol monoisobornyl ether [12], di-and triethylene glycol mono-α-terpinyl ether [23] and [24] had far better penetrating power than LAS (sodium linear alkyl benzene sulfonate). Polyethylene glycol monoisobornyl ether [13] [15] and polyethylene glycol mono-α-terpinyl ether [25] [27] had far lower foaming property than LAS. And also, [14], [26] had far better penetrating power and solubilizing power than LAS.
  • 松原 義治, 藤原 敏正, 飯阪 正博, 足立 明己
    1974 年 23 巻 12 号 p. 810-812
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    Four kinds of quaternary ammonium compounds were prepared from triethanolamine isobornyl maleate and terpenyl bromides obtained by bromination of terpenealcohols such as isoborneol, geraniol, citronellol, dihydrocitronellol with hydrobromic acid. The triethanolamine isobornyl maleate was prepared from triethanolamine and isobornyl maleic acid half ester obtained by hydrolysis of alkyl isobornyl maleates with dil. alkali aqua. solution.
    Antimicrobial activities of these quaternary ammonium compounds were investigated.
  • 鈴木 修
    1974 年 23 巻 12 号 p. 813-815
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
    High resolution 13C-NMR spectra of maleic anhydride adduct to methyl trans-9, trans-11-octadecadienoate (mp 72.473.2) were obtained by Fourier transform techniques. From the analyses of the spectra, the maleic anhydride adduct was affirmed to be methyl 8- (2, 3-dicarboxylic cyclic anhydride-4-hexyl-5-cyclohexene-1-yl) octanoate. Furthermore, the 13C chemical shifts of the adduct was obtained by the assignment of the signals and the 13C-H spin-spin coupling constants were also determined from the proton coupling spectrum.
  • Shota ITO, Norio SAITO, Kiyotaka HATAKEDA, Takashi ASANO
    1974 年 23 巻 12 号 p. 819
    発行日: 1974/12/20
    公開日: 2009/11/10
    ジャーナル フリー
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