VITAMINS

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

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Volume 12

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 187-188
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_187_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 188-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_188_1

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 188-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_188_2

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 188-189
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_188_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 189-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_189_1

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 189-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_189_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 189-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_189_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 190-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_190_1

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 190-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_190_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 190-191
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_190_3

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 191-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_191_1

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 191-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_191_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 191-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_191_3

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 191-192
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_191_4

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 192-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_192_1

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1957 Volume 12 Pages 192-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_192_2

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 192-193
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_192_3

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[title in Japanese]

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

Article type: Article
1957 Volume 12 Pages 193-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_193_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 193-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_193_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 193-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_193_3

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 193-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_193_4

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 193-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_193_5

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 194-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_194_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 194-195
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_194_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 195-196
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_195

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 196-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_196_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 196-197
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_196_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 197-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_197_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 197-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_197_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 198-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_198_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 198-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_198_2

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"PSEUDO-VITAMINS" : SECONDARY VITAMINS IN HUMAN NUTRITION

CHIKATARO KAWASAKI

Article type: Article
1957 Volume 12 Pages 199-205
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_199

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 205-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_205_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 205-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_205_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 205-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_205_3

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 205-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_205_4

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INFLUENCE OF THE OVER-DOSE OF FLAVINADENINE DINUCLEOTIDE ON THE URINARY EXCRETION OF THIAMINE, PYRIDOXINE AND NIACIN

Yuichi NEGI

Article type: Article
1957 Volume 12 Pages 206-208
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_206

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Over-dose of FAD had no remarkable effect on the urinary excretion of thiamine, pyridoxine and niacin the rabbit. The results obtained by the investigations of this series suggest that the E-vitamins, which are necessary to be phosphorylated before they get into action in the animal body, may compete each other with ATP.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 208-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_208

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EFFECT OF OVER-DOSE OF ASCORBIC ACID ON THE URINARY EXCRETION OF B-VITAMINS

Toshiro SHINAGAWA, Yuichi NEGI

Article type: Article
1957 Volume 12 Pages 209-210
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_209

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Over-dose of ascorbic acid had no effect on the urinary excretion of thiamine, riboflavin, niacin and pyridoxine in the rabbit.

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STUDIES ON VITAMIN B_<12> IN EARTHWORM

Junzo HAYASHI, Hiromu YAMAKAWA, Kiichi IWAMOTO

Article type: Article
1957 Volume 12 Pages 211-213
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_211

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The vitamin B_<12> content in earthworms was studied in association with conditions of the soil in which they lived. There were many Actinomycetes and earthworms in the soils containing much decomposable organic matters. The vitamin B_<12>-forming Actinomycetes were found in the alimentary tract of earthworms as well as in the soils, and the number of the microbes in earthworms varied correspondingly with their number in soils. The vitamin B_<12> content of earthworms were influenced by these microbes in their alimentary tract.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 213-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_213_1

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 213-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_213_2

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 213-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_213_3

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INFLUENCE OF PITUITARY HORMONES ON THE THIAMINE CONTENT IN THE OCULAR TISSUES AND CEREBROSPINAL FLUID

Ryoji ASAYAMA, Masao KISHIMOTO, Isamu TSUKAHARA

Article type: Article
1957 Volume 12 Pages 214-216
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_214

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The authors summarize the results of the experimental studies they have made on this subject since 1950. The administration of anterior pituitary hormones (Praehormon, Antuitrin Growth) and Antuitrin "S" increases the thiamine content in the ocular tissues and cerebrospinal fluid, while the administration of the posterior pituitary hormone decreases it with a few exception. The thiamine content in these tissues decreases from 2 to 5 days after hypophysectomy.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 216-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_216

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STUDIES ON THE PHYSIOLOGICAL SIGNIFICANCE OF SUGAR AND PHOSPHORUS COMPOUNDS OF RIBOFLAVIN : (II) THE EFFECTS OF RIBOFLAVIN ON THE FORMATION OF KOJIC ACID

Sei TACHIBANA

Article type: Article
1957 Volume 12 Pages 217-222
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_217

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The effects of riboflavin on the formation of kojic acid from dihydroxyacetone, glycerol, fructose, glucose, galactose and disaccharides by the riboflavin-less mutant of Aspergillus oryzae were investigated, and it was found that riboflavin accelerated significantly the formation of kojic acid. In the presence of riboflavin and maltose, kojic acid was formed from dihydroxyacetone without any lag period, and large amounts of riboflavinylglucoside and of riboflavinyltrioside were again produced at the early stages of fermentation. But when the amount of riboflavin diphosphate, which was produced in the later stages of fermentation, was found to be superior to that of riboflavinylglucoside, the velocity of kojic acid formation became diminishing. Therefore, the sugar compound of riboflavin was suggested to play an important role on the biosynthesis of kojic acid.

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STUDIES ON THE PHYSIOLOGICAL SIGNIFICANCE OF SUGAR AND PHOSPHORUS COMPOUNDS OF RIBOFLAVIN : (III) THE EFFECTS OF SUGAR AND PHOSPHORUS COMPOUNDS OF RIBOFLAVIN ON THE FORMATION OF KOJIC ACID FROM DIHYDROXYACETONE

Sei TACHIBANA

Article type: Article
1957 Volume 12 Pages 222-225
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_222

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The effects of sugar compounds of riboflavin (riboflavinylglucoside, riboflavinylgalactoside and riboflavinyltrioside) and of its phosphorus compounds (riboflavin mononucleotide and riboflavin diphosphate) on the formation of kojic acid from dihydroxyacetone by the riboflavinless mutant of Aspergillus oryzae were compared. It was found that all riboflavin glycosides accelerated kojic acid formation very remarkably, as might have been expected. Especially with riboflavinyltrioside, nearly fourfold acceleration was observed, while flavin phosphates revealed inhibiting effects on kojic acid formation. It was suggested that riboflavinyltrioside would be produced by the transglycosidase of Aspergillus oryzae and that it would be a most probable intermediate product in the biosynthesis of kojic acid.

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SIMPLIFIED PROCEDURE DETECTING THIAMINE IN ENRICHED FLOUR

Chikataro KAWASAKI, Takatomo HORIO

Article type: Article
1957 Volume 12 Pages 225-227
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_225

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A simple method detecting thiamine in enriched flour has been developed for controlling homogeneous addition of thiamine to flour at mills. By scattering flour through sieve, a thin film of it on a sheet of filter paper is prepared and wetted with alcohol. The filter paper is turned inside out, stripped off from the flour and sprayed with an alkaline ferricyanide solution. Bringing it immediately under ultraviolet ray, thiamine crystals enriched are easily detected as thiochrome spots on the paper and the number of them on a definite area of the sheet is indicative of thiamine enrichment, although it does not represent the thiamine content exact proportionally.

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DETERMINATION OF THIOTHIAMINE : (I) BENZOYL PEROXIDE-NaOH METHOD

Chikataro KAWASAKI, Takatomo HORIO

Article type: Article
1957 Volume 12 Pages 228-232
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_228

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Thiothiamine is stable and unchanged by a benzoyl peroxide alcohol solution in the acidic medium but readily oxidized to thiochrome by making the mixture strongly alkaline with a sodium hydroxide solution. Thiochrome, extracted by butanol, is estimated fluorimetrically after standing the mixture for 30 minutes and its formation is more quantitative compared to the BrCN-method. Perbenzoic or peracetic acid also oxidizes thiothiamine instantly to thiochrome in its alkaline solution, while hydrogen peroxide or perboric acid converts thiothiamine into thiochrome very poorly. Thiamine is indifferent on this benzoyl peroxide-NaOH method. Benzoyl peroxide in its alkaline solution yields perbenzoic acid and transforms thiothiamine into thiochrome quantitatively but rather slowly ; standing for more than 20 minutes or warming for 5 minutes at 50℃ is necessary for the analytical procedure.

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[title in Japanese]

[in Japanese]

Article type: Article
1957 Volume 12 Pages 232-
Published: 1957
Released on J-STAGE: December 22, 2017

DOIhttps://doi.org/10.20632/vso.12.0_232_1

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