VITAMINS

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

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Volume 54, Issue 1

Displaying 1-21 of 21 articles from this issue

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Coenzyme A, Vitamin B_6 and NAD-requiring Novel Enzymes Related to Metabolism of Sulfur-containing Amino Acids

Hidehiko TANAKA

Article type: Article
1980 Volume 54 Issue 1 Pages 1-10
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_1

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Determination of Urinary Methylmalonic Acid by Isotachophoresis

Tetsunori KAWATA, Takayuki INUI, Akio MAEKAWA, Takao SUZUKI

Article type: Article
1980 Volume 54 Issue 1 Pages 11-15
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_11

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The determination of methylmalonic acid (MMA) in rat urine were studied by use of isotachophoresis. This method is based on measurement of potential unit value of each organic acid. The operational systems for determination of MMA by isotachophoresis were devised. The leading electrolyte at pH of 3.20 using 0.01M HCl and β-alanine was selected as the most suitable. Moreover, the counterflow technique makes it possible to obtain a complete separation of MMA in organic acid mixture and rat urine. The recovery of MMA added to rat urine reached to 94~101%, when the urine was pretreated by Dowex AG 3×4 column. This method for determination of MMA in rat urine by isotachophoresis is simple, rapid and quantitative.

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Vitamin B_1 Metabolism in Pregnancy

Ryoko YOKOMINE, Kimiyoshi ARIMURA, Yasuhiro MINAUCHI, Hiroo ARIMA, Aki ...

Article type: Article
1980 Volume 54 Issue 1 Pages 17-20
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_17

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The study on the vitamin B_1 metabolism in 207 pregnant women was undertaken. l. Vitamin B_1 level in the whole blood was 56.2±31.2 ng/ml, somewhat lower than that of the normal subjects. 2. The activity of transketolase in the hemolysate was 368.3±68.9μg/ml ery/h, and the thiamine pyrophosphate effect was 17.6±11.1. Both could indicate the tendency of latent vitamin B_1 deficiency in pregnancy. 3. No definite correlation was confirmed between vitamin B_1 level and other vitamin B groups. It was suggested that the many pregnant women were in the vitamin B_1 deficiency. The edema and general fatigue of the pregnant women can not be disregarded from the standpoint of beriberi.

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...

Article type: Article
1980 Volume 54 Issue 1 Pages 21-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_21

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...

Article type: Article
1980 Volume 54 Issue 1 Pages 22-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_22_1

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 22-23
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_22_2

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 25-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_25_1

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 25-26
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_25_2

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 26-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_26

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 27-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_27_1

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 27-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_27_2

JOURNAL FREE ACCESS

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 28-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_28_1

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 28-29
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_28_2

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 29-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_29_1

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 29-30
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_29_2

JOURNAL FREE ACCESS

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 31-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_31_1

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[title in Japanese]

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

Article type: Article
1980 Volume 54 Issue 1 Pages 31-32
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_31_2

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 32-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_32

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 33-
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_33_1

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 33-35
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_33_2

JOURNAL FREE ACCESS

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[title in Japanese]

[in Japanese]

Article type: Article
1980 Volume 54 Issue 1 Pages 35-36
Published: January 25, 1980
Released on J-STAGE: March 07, 2018

DOIhttps://doi.org/10.20632/vso.54.1_35

JOURNAL FREE ACCESS

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