VITAMINS

Online ISSN : 2424-080X
Print ISSN : 0006-386X

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Volume 13

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 450-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_450_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 450-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_450_3

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 450-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_450_4

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FLUOROMETRIC DETERMINATION OF VITAMINS

Toshikazu TABATA

Article type: Article
1957 Volume 13 Pages 451-458
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_451

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 458-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_458

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 459-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_459_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 459-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_459_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 459-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_459_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 459-460
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_459_4

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 460-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_460_1

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 460-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_460_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 460-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_460_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 460-461
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_460_4

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 461-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_461_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 461-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_461_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 461-462
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_461_3

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 462-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_462_1

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 462-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_462_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 462-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_462_3

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 462-463
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_462_4

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 463-464
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_463

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 464-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_464_1

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 464-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_464_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 464-465
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_464_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 465-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_465_1

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

Article type: Article
1957 Volume 13 Pages 465-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_465_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 465-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_465_3

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 465-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_465_4

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[title in Japanese]

Article type: Appendix
1957 Volume 13 Pages 466-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_466_1

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[title in Japanese]

Article type: Appendix
1957 Volume 13 Pages 466-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_466_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 466-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_466_3

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 466-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_466_4

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 466-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_466_5

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 467-468
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_467

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 468-470
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_468

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 470-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_470

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STUDIES ON THE SUBSTANCES OF TOXOPYRIMIDINE GROUP

Yoshito NISHIZAWA

Article type: Article
1957 Volume 13 Pages 471-489
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_471

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POLAROGRAPHIC DETERMINATION OF MULTI-VITAMIN PREPARATIONS (I) : ASCORBIC ACID, RIBOFLAVIN AND PTEROYL GLUTAMIC ACID

Yutaka ASAHI

Article type: Article
1957 Volume 13 Pages 490-492
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_490

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Ascorbic acid, riboflavin and pteroyl glutamic acid in multi-vitamin preparations are determined polarographically at the same time in phosphate buffer (pH 6.8) by means of the anodic wave E1/2 -0.05,the reduction wave E1/2 -0.47 and the reduction wave E1/2 -1.2 V vs NCE respectively. The reduction wave E1/2 -0.41 V in 0.1 N HCI solution is also used for partial determination of pteroyl glutamic acid.

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POLAROGRAPHIC DETERMINATION OF MULTI-VITAMIN PREPARATIONS (II) : 2-METHYL-1,4-NAPHTHOHYDRO-QUINONE DIACETATE

Yutaka ASAHI

Article type: Article
1957 Volume 13 Pages 493-495
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_493

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2-Methyl-1,4-naphthohydroquinone diacetate (I) is easily hydrolysed by alkali to form 2-methyl-1,4-naphthohydroquinone (II), which decompoees to its quinone (III), phthiocol (IV) and the others. After studies on the conditions of the hydrolysis of (I), the following condition is recommended for determination of (I) in multi-vitamin preparations : borate buffer solution (0.025 M, pH 8.5) of sample containing 2 mg % (I) is heated at 100° for 20 min, then produced (II) is observed by oxidation wave E1/2 -0.33V vs NCE at 25°.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 495-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_495

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POLAROGRAPHIC DETERMTNATION OF MULTI-VITAMIN PREPARATIONS (III) : THIAMINE, NIACIN AMIDE

Yutaka ASAHI

Article type: Article
1957 Volume 13 Pages 496-498
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_496

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A maximum wave which is observed ca. -1.5 V vs NCE in a solution containing 1mM CoCl_2,0.1 M NH_4Cl, 0.1 M NH_3,is usefull for determination of thiamine in multi-vitamin preparations. Niacin amide in such preparations can be determined by means of the reduction wave E1/2-1.86V in 0.1N NaOH. In such conditions the other vitamins do not disturb the determination.

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STUDIES ON THE DECOMPOSITION OF ASCORBIC ACID : (V) SEPARATION AND MICROBIOLOGICAL PROPERTIES OF ASCORBIC ACID DECOMPOSING BACTERIA

Shintaro KAMIYA, Hideji YAMAMOTO, Toshio NAKABAYASHI

Article type: Article
1957 Volume 13 Pages 499-504
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_499

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The action of decomposing ascorbic acid was observed with various yeasts and bacteria. In 8 known species of yeast and 15 species of bacteria no such activity was found. But 9 species of bacteria having a strong ascorbic acid decomposing quality were separated from natural sources, i.e. soil, water, plants and excrements of animals. These bacteria bred in the media containing 1% of ascorbic acid decomposed ascorbic acid to CO_2,water and a few organic acids. From the results of the studies on their microbiological properties, it was ascertained that 6 out of the 9 species belong to Micrococcus, probably the variety of M. varians migula, and the other 3 species to the variety of Nocardia farcinica.

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ON THE PREPARATION OF THIAMINE SALTS : (III) ON THE DOUBLE SALTS OF THIAMINE

Kengo OKUMURA, Yosito SAKURAI

Article type: Article
1957 Volume 13 Pages 505-508
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_505

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The double salts of thiamine such as B_1・Cl・HCl・ZnCl_2,B_1・Cl・HCl・CdCl_2,B_1・HSO_4・CdSO_4 and B_1・I・HI・CdI_2 were prepared. The presentation of these double salts made clear that thiamine molecule is possible to link up with some metal ions.

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THE EFFECT OF CHOLINE ON THE GROWTH OF MICE

CHEN RONG Ling

Article type: Article
1957 Volume 13 Pages 508-509
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_508

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In this paper it was reported that a basal diet supplemented with 400 mg of choline chloride per 100 g ration showed no remarkable growth promoting effect on mice after 30 days experiment. But mice of the choline deficient group looked moist and loose in the appearence of the hair and their skin had a slight reddish tint in colour.

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THE EFFECT OF p-AMINOBENZOIC ACID ON THE GROWTH OF MICE

CHEN RONG Ling

Article type: Article
1957 Volume 13 Pages 510-511
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_510

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In this paper it was reported that a synthetic diet supplemented with 100mg of PABA per 100g ration showed no remarkable growth promoting effect on mice. Addition of sulfamine to the above diet gave no influence on the result, but the PABA deficient group seemed a little inferior to the PABA group in gloss of the hair.

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THE EFFECT OF INOSITOL ON THE GROWTH OF MICE

Chen RONG Lin

Article type: Article
1957 Volume 13 Pages 512-513
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_512

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A synthetic diet supplemented with 40mg of inositol per 100 g basal ration showed no marked effect on the growth of young mice. Among the inositol deficient group were seen several mice which showed an incomplete growth of the hair.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 513-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_513

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BIOLOGICAL ACTIVITY OF THIOTHIAMINE (I) : ON THE GROWTH PROMOTING EFFECT OF THIOTHIAMINE ON ALBINO RAT

Takashi SUHARA, Nobuko IRITANI

Article type: Article
1957 Volume 13 Pages 514-518
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_514

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Ninomiya reported previously that thiothiamine had a preventive effect for thiamine deficiency of a rice-bird, but a biological reexamination of thiothiamine was undertaken, since the sample used by him was suspected to contain thiamine. Both curative and preventive tests for thiamine deficiency of thiothinmine were conducted on albino rats. An administration of 10 μg per day of thiothiamine resulted in a decrease of body weight within 20 days as in thiamine deficiency, and an administration of 50 μg per day caused the maintenance of body weight. It was therefore, concluded that thiothiamine had no thiamine activity for albino rats, or if any, it was below one per cent, while it would be difficult to determine whether it was due to thiothiamine itself or to thiamine contained therein.

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AN IMPROVED METHOD FOR THE FRACTIONAL DETERMINATION OF FLAVINADENINEDINUCLEOTIDE, FLAVINMONONUCLEOTIDE AND RIBOFLAVIN BY PAPER PARTITION CHROMATOGRAPHY

Katuko YAMAGIRI

Article type: Article
1957 Volume 13 Pages 519-520
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_519

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In order to simplify the Yagi's fractional estimation method for riboflavin(FR), flavinmononucleotide(FMN)and flavinadeninedinucleotide(FAD) by paper partition chromatography, the Rockland-Dunn's test tube method was applied with Lutidine・n-Butanol・Water (4 : 1 : 5)(Rf values FR : 0.76,FMN : 0.20,FAD : 0.38) as a solvent, and some analytical conditions for this simplified method were studied. This simplified fractional estimation method was found to be couvenient for practical use, since much time was not required for the procedure.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 13 Pages 521-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.13.0_521

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