巻号一覧
14 巻 (1973)
- 6 号 p. 501-
- 5 号 p. 403-
- 4 号 p. 343-
- 3 号 p. 219-
- 2 号 p. 137-
- 1 号 p. 1-
14 巻, 6 号
選択された号の論文の18件中1～18を表示しています
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上野 芳夫1973 年 14 巻 6 号 p. 501-510
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーPDF形式でダウンロード (1688K) -
光楽 昭雄, 天野 立爾, 田辺 弘也1973 年 14 巻 6 号 p. 511-516
発行日: 1973/12/05
公開日: 2010/07/27
ジャーナル フリー食品の品質をそこなわずしかも食品中に有毒物質の残留する恐れのない殺ダニ法をめざして, 4種類のガスを用いて種々の条件下で, コナダニに対して加圧処理を行なった. 使用したガスは二酸化炭素, 亜酸化窒素, 窒素および水素, 供試ダニはケナガコナダニTyrophagus putrescentiae Schrankであった.
全発育期のダニを飼料 (乾燥酵母) と共にガラス製小容器におさめ, これを耐圧オートクレーブに入れ, 瞬時減圧後, ボンベよりガスを導入し, 所定の加圧処理を行なった. 処理後供試ダニを恒温 (21±1°), 恒湿 (R.H. 85～90%) に保ち, 約2か月間観察した.
4種のガスを用いた加圧処理の結果はTable 1の通りであって, 二酸化炭素の作用が最も強く, 亜酸化窒素がこれにつぎ, 窒素および水素ではかなりの高圧を用いたが, ほとんど無効であった.
そこで以後, 二酸化炭素を用いて多くの実験を行なったが, その結果はTable 2およびFig. 3の通りであり, 例えば20°での処理では16kg/cmcm2 (絶対圧力, 以下同じ), 55分間; 21kg/cmcm2, 30分間; 26kg/cmcm2, 15分間の処理で, 40°では6kg/cmcm2, 65分間; 11kg/cmcm2, 20分間; 16kg/cmcm2, 10分間の処理で, ふ化も見られず死滅した. 同じ圧力では温度が高いほど, 同じ処理温度では圧力が高いほど有効であった.抄録全体を表示PDF形式でダウンロード (1213K) -
松居 正巳, 河端 俊治, 石橋 亨1973 年 14 巻 6 号 p. 517-523
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーPreparation of prepared solution and conditions for the quantitative analysis of steryl esters in milk fat by gas-liquid chromatography (GLC) were investigated, and components of steryl esters in various dairy products were analysed. Results obtained may be summarized as follows:
1. Clean-up of the preparated solution by a silicic acid column technique was superior to that by the thin-layer chromatographic separation.
2. Steryl esters in commercial milk fat were found to consist of cholesteryl esters of C-10, C-12, C-14, C-16, C-18 and C-20, in which the most predominant component was the C-18 ester. However, the amount of C-18 ester in milk fat was rather inconsistent showing a marked seasonal variation in the level.
3. GLC analysis of steryl esters was carried out using cholesteryl cinnamate as an internal standard. Ratios of cholesteryl esters of C-18 to C-16 in milk fat were much higher than those values obtained with so-called synthetic (commerical milk fat) or imitation milk fat. The ratio of cholestleryl esters of C-18 to C-16 may be applicable for the identification of so-called synthetic milk fat in various dairy products, especially, may fit for detecting adulterated or unnatural milk fat.
4. Judging from the retention time of GLC, the fatty acid components and the total amount of cholesterol in a so-called synthetic milk fat were almost the same as those of the natural milk fat, whereas the triglyceride components in both types of milk fat were distinguished each other according to GLC being equipped with a column of good separating ability (theoretical plate number of the column was more than 800 when calculated for tristearin).抄録全体を表示PDF形式でダウンロード (1047K) -
農作物中の残留有機リン農薬の分析法福原 克治, 武田 明治, 田辺 弘也1973 年 14 巻 6 号 p. 524-529
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーVarious kinds of organophosphorus insecticides were investigated to establish the analytical method of those insecticides by use of gas chromatograph with a flame photometric detector (FPD).
The separation of 22 kinds of organophosphorus insecticides on gas chromatogram is not complete under the condition examined in this study.
It was found that FPD detector has good sensitivity for these insecticides and detection limits of them were between 0.15ng and 5ng on column of 2% QF-1.
Furthermore, FPD gas chromatography was examined to analyze the residues of 7 kinds of organophosphorus insecticides in agricultural products, and it was shown that the recoveries of these insecticides added to sample homogenates were between 76% and 110% in this method.抄録全体を表示PDF形式でダウンロード (1140K) -
勝村 馨, 石崎 睦雄, 笹本 和博, 上野 清一, 細貝 祐太郎1973 年 14 巻 6 号 p. 530-534
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーThe determination of aluminum in food by the atomic absorption spectrometry was studied.
The operating conditions were as follows: analytical line was 3092Å for aluminum, electric current in the hollow cathode lamp was 15mA, and combustion gas flow rates were 6L/min for nitrous oxide and 5.5L/min for acetylene.
The most suitable pH for the extraction of aluminum was studied, and it was found that the optimum pH was within 11 to 13. The relationship between the volume ratio (R) of the aqueos prepared solution containing aluminum ion to acetylacetone-butyl acetate and the extraction ratio was studied in order to obtain quantitative extraction. Aluminum was extracted quantitatively at R=3 to 6.
In the case of analysis of aluminum in food, plant, and sake (Japanese wine) by atomic absorption spectrometry, it was necessary to destroy the organic substances. For this purpose, a wet digestion procedure was adopted. Approximately 5 to 10g of the food sample or 100ml of sake was taken into a digestion flask of 300ml capacity to which was added a mixture of nitric, and sulfuric acid (10+1). After digestion, the acidic digested solution was diluted to 100ml with distilled water, and the solution was used for preparated solution.
The prepared solution was adjusted at pH 12, then extracted by acetylacetone-butyl acetate, and aluminum was determined by the atomic absorption method, the amounts of aluminum in food, plants, and sake were as follow: Miso (soybean paste), 2.4 to 32.9ppm; soybean, 22.0ppm; sake, 2.6ppm, and the coefficients of variation were about 14%.抄録全体を表示PDF形式でダウンロード (763K) -
5′-リボヌクレオチドの非酵素的脱リン酸楠井 貞郎, 村越 明, 森 秀将1973 年 14 巻 6 号 p. 535-541
発行日: 1973/12/05
公開日: 2010/07/27
ジャーナル フリー5′-RNT (I) の非酵素的脱リン酸がpH 1～12.5の緩衝液中100°で調べられた. IはpH 4付近を極大としてpH 1～8で脱リン酸をうけるが, アルカリ側ではほとんど脱リン酸されなかった. 5′-プリンヌクレオチドは5′-ピリミジンヌクレオチドより脱リン酸されやすかった. また, 2′ (3′) -RNT (II) はIより脱リン酸されやすかった.
pH 5.0で100°におけるI, IIの脱リン酸速度定数は, つぎの順であった.
2′ (3′) -GMP=2′ (3′) -AMP=2′ (3′) -CMP≧2′ (3′) -UMP>5′-GMP>5′-AMP≧5′-IMP>5′-UMP≧5′-CMP
Iの脱リン酸はTh (IV), Ce (III), Pb (II), Au (III) により著しく促進され, ランタニド (III), ZrO (II), Y (III), Ir (IV), Cs (I) でわずかに促進された. 一方, Al (III), Cr (III), UO2 (II), In (III), Be (II), WO4 (II), Nb (V), Sn (IV), Sb2O7 (IV) ではIの脱リン酸を抑制した. 以上の結果をまとめて, 検討した52種の金属イオンはIの脱リン酸に対し, 促進, 抑制, 無影響の3グループに分類された.抄録全体を表示PDF形式でダウンロード (1206K) -
Effects of Cydohexylamine and Cydohexylamine Sulfate on the Fetal Development in RatsSatoru TANAKA, Shinsuke NAKAURA, Kunio KAWASHIMA, Shigeyuki NAGAO, Tsu ...1973 年 14 巻 6 号 p. 542-548
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーThe teratogenic effects of cyelohexylamine (CHA) and cyclohexylamine sulfate (CHA-sulfate) were examined in rats. The results obtained were as follows:
Adult Wistar strain female and male rats and Wistar-lmamichi strain non-pregnant and pregnant female rats were orally given aqueous solution of CHA. Acute toxic symptoms caused by CHA were staggering gait, salivation, lacrymation and convulsion. In postmortem examination, remarkable hemorrhage in lung, marked edematous change in the mucous membrane of fore-stomach and congestion in glandural-stomach and duodenum were observed.
Median lethal doses calculated following oral administration of CHA were 236.6mg/kg, 278.2mg/kg for Wistar strain female and male rats, 155.7mg/kg for Wistar-Imamichi strain female rats and 180.1mg/kg for pregnant Wistar-Imamichi rats, respectively.
Pregnant Wistar-Imamichi strain rats were orally given once daily for 7 days from day 7 to 13 of gestation at the doses of 1.8, 3.6, 18 and 36mg/kg of CHA and its sulfate of 71.6mg/kg.
In the highest dose of CHA, a suppression in body weight gain and reduction in food and water consumptions were ebserved and 2 of 17 dams died following the administration. No significant difference between the treated and control groups was found in maintenance of pregnancy and in fetal development, and no abnormal ities of the fetuses such as resorption and malformation were observed in all groups.抄録全体を表示PDF形式でダウンロード (1181K) -
Teratogenic Effect of Dietary Salicylic Acid in RatsSatoru TANAKA, Kunio KAWASHIMA, Shinsuke NAKAURA, Shigeyuki NAGAO, Tsu ...1973 年 14 巻 6 号 p. 549-557
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーSalicylic acid was administered to pregnant rats at levels of 0.06, 0.1, 0.2 and 0.4% in diet from the 8th to 14th day of gestation, and its teratogenic effects were examined.
A temporal body weight loss with toxic symptoms such as salivation, piloerection following the administration was observed in 0.4% group, and also high mortality and growth retardation in fetuses were noticed. Not any toxic signs were observed in other three lower dose groups, but a significant growth retardation was noticed in fetuses of 0.2% group. Some kinds of anomalies with considerably high frequency were occurred in both groups of 0.4 and 0.2%, but not in the low dose groups below 0.1%.
In the postnatal observation, in 0.4% group only 6 newborn were obtained alive from one dam and all died within 1 day after birth. Among low dose groups below 0.2%, no marked difference in litter size and in weaning rate at 8 weeks after birth and no evidence of growth retardation were obtained. In the postmortem examination, neither external nor internal organ anomalies were found in all groups, but minor changes in cervical bone occurred in some pups of 0.2% group.
These findings support a view that salicylic acid acts as embryotoxic and teratogenic in rat, even after administration by dietary route as well as forced oral administration.抄録全体を表示PDF形式でダウンロード (1327K) -
黒田 弘之, 毛利 孝明, 広瀬 秀雄, 多田 御幸1973 年 14 巻 6 号 p. 558-560
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーSeveral kinds of determination methods of cyanide in some beans have been published, however, most of them do not base on the specific reaction for cyanide, but bare on such as the titration method.
In this paper, the colorimetric method using hemoglobin for the new determination of cyanide was studied. The principle of the presented method was based on the fact that cyanide is converted to cyanmethemoglobin with hemoglobin at room temperature. The minimum limit of detection was approximately 1μg as cyanide in preparated solution.抄録全体を表示PDF形式でダウンロード (387K) -
戸田 和子, 井崎 やゑ子, 糸川 崇之1973 年 14 巻 6 号 p. 561-564
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーA method is described for the reproducible determination of nitrosamines by conversion to their corresponding nitramines using peroxytrifluoroacetic acid.
1. The use of 90w/w% hydrogen peroxide brings a higher, constant yield of peroxytrifluoroacetic acid.
2. The reaction between 1 mole of 90% hydrogen peroxide and 1 mole of trifluoroacetic anhydride in methylene chloride is finished very rapidly. The solution of peroxytrifluoroacetic acid is stable for 24 hours.
3. Optimum time for convertive reaction of nitrosamines is 120 minutes and the temperature is 40°C.
Using these procedures, desirable reproducible yields of nitramines are obtained.抄録全体を表示PDF形式でダウンロード (658K) -
めん類に関する研究 第6報棚田 益夫, 内田 晴彦, 井出 知佐子, 玉置 幸美1973 年 14 巻 6 号 p. 565-568
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーThe reduction of hydrogen peroxide (H2O2) in Japanese noodle by cooking was studied in this papers. 50-80% of H2O2 in Japanese noodle (produced with the using of cutter No. 8-No. 20) was eluted by boiling for 3 minutes, and the residual H2O2 in Japanese noodle (produced with the using of cutter No. 12) was 30%. The remarkable effects on H2O2 decomposition were found by soy sauce and soy bean paste (miso). The residual H2O2 after initial cooking was less than about 50%.抄録全体を表示PDF形式でダウンロード (742K) -
穀類および豆類からの残留有機塩素農薬の抽出に及ぼす試料の粉末度の影響武田 明治, 関田 寛, 大槻 久美子, 田辺 弘也, 河井 保夫, 三島 靖子, 向後 勝成, 片山 靖夫1973 年 14 巻 6 号 p. 569-573
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーUsing unpolished and polished rice, wheat, red beans and soybeans, influence of the degree of powdering of the powdered samples on the extraction ratio of organochlorine pesticide residues was examined.
In the powdered samples of unpolished and polished rice, wheat and red beans in which pesticide residues were in comparatively low levels, the analytical values of organochlorine pesticides were almost equal among the samples of the different degrees of powdering within the same cereals or beans.
In the powdered soybean samples in which relatively high levels of the organochlorine pesticide residues were present, the analytical values of residues were higher in the samples of the high degree of powdering than in the low degree of powdering.抄録全体を表示PDF形式でダウンロード (1013K) -
タマネギ中の残留有機塩素農薬分析法武田 明治, 鈴木 隆, 大槻 久美子, 関田 寛, 藤沢 佳津子, 星 美恵子1973 年 14 巻 6 号 p. 574-579
発行日: 1973/12/05
公開日: 2010/03/01
ジャーナル フリーThe stability of 13 organochlorine insecticides to potassium permanganate treatment was investigated.
It was found that aldrin and heptachlor were in lack of stability and pp′-DDE and pp′-DDD were unstable, but other insecticides were very stable in this condition.
The removal of interfering substances of onion in the pesticide analysis was examined by the treatment of potassium permanganate, and also the analytical method of organochlorine insecticide residues in onion were investigated on the basis of these results.
It was shown in this report that the recovery of insecticides added to onion homogenate were between 77% and 97% except aldrin, heptachlor, pp′-DDE and pp′-DDD and those of pp′-DDE and pp-DDD werevery low (56 and 54%, respectively), but aldrin and heptachlor were not recovered at all.抄録全体を表示PDF形式でダウンロード (1071K) -
桝田 文八, 岡本 暉公彦, 井上 邦夫1973 年 14 巻 6 号 p. 580-582
発行日: 1973/12/05
公開日: 2010/03/01
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加藤 三郎, 下田 通敏, 金子 次雄1973 年 14 巻 6 号 p. 583-594
発行日: 1973/12/05
公開日: 2010/03/01
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とくにマトンの混入について山中 すみへ, 佐藤 ひろみ, 西村 正雄1973 年 14 巻 6 号 p. 595-600
発行日: 1973/12/05
公開日: 2010/03/01
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鈴木 昭, 福田 武夫, 田辺 弘也, 慶田 雅洋, 北尾 忠利, 渡辺 昭宣, 後藤 喜一, 西垣 進, 田村 行弘, 河村 典久, 伊与 ...1973 年 14 巻 6 号 p. 601-620
発行日: 1973/12/05
公開日: 2010/03/01
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1973 年 14 巻 6 号 p. 673
発行日: 1973年
公開日: 2010/03/01
ジャーナル フリーPDF形式でダウンロード (185K)
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