VITAMINS

VITAMINS

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

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Volume 92, Issue 7

Displaying 1-29 of 29 articles from this issue

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Development of a simple questionnaire to assess vitamin D deficiency in Japanese subjects-pilot study-

Akiko Kuwabara, Naoko Tsugawa, Shinpei Okada, Miho Kogirima, Saeko Tad ...

2018 Volume 92 Issue 7 Pages 303-312
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_303

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〈Objective〉 Vitamin D deficiency is common in Japan and associated with the development of various diseases. Since the measurement of serum 25-hydroxyvitamin D (25(OH)D) is costly, vitamin D status cannot be easily screened in healthy subjects. Therefore, we tried to prepare a simple questionnaire for vitamin D deficiency.
〈Methods〉 The study was performed in Nagano and Kumamoto Prefectures from August 2015 to December 2016. The subjects taking routine medication potentially interfering with vitamin D status was excluded. The questionnaire and blood sample were simultaneously collected. Vitamin D deficiency was defined as the level of serum 25(OH)D <20 ng/mL.
〈Results〉 Of one hundred and three participants (mean age 44.2 years, M/F; 32/71), 33% of them had vitamin D deficiency. In univariate analysis, “living in Kumamoto” (OR 22.2, 95% CI 7.73- 65.2, p<0.001) and “sunscreen use in legs and arms” (OR 2.89, 95% CI 1.20-6.94 p=0.02) were risks for vitamin D deficiency. “Living in Kumamoto” remained a significant predictor in multivariate analysis (OR 53.0, 95% CI 12.5- 224, p<0.001). The percentage of subjects with sunscreen use was significantly higher in Kumamoto than in Nagano.
〈Conclusions〉 Sunscreen use is an important determinant of vitamin D status. Accordingly, the use of sunscreen must be included in the questionnaire for vitamin D deficiency in Japanese subjects.

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Structural evidence for the DPPH radical-scavenging mechanism of 2-O-α-D-glucopyranosyl-L-ascorbic acid

Akihiro Tai, Atsuko Iomori , Hideyuki Ito

2018 Volume 92 Issue 7 Pages 313-315
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_313

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Regulation of ascorbate and glutathione biosynthesis via jasmonate signaling pathway

Activation of reactive oxygen species-scavenging systems in response to postsubmergence reoxygenation

Sakishita Ayako, Noriaki Tanabe, Nasahiro Tamoi, Kazuya Yoshimura, Shi ...

2018 Volume 92 Issue 7 Pages 316-318
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_316

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Discovery of an enzyme that converts vitamin A₁ into A₂

Yoshihiro Mezaki

2018 Volume 92 Issue 7 Pages 319-321
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_319

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Effectiveness of vitamin C therapy for sepsis

Tomofumi Yatsu, Akihito Ishigami

2018 Volume 92 Issue 7 Pages 322-324
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_322

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[title in Japanese]

Hirotaka Imai, [in Japanese], [in Japanese], [in Japanese], Koji Fukui ...

2018 Volume 92 Issue 7 Pages 325-326
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_325

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[title in Japanese]

Yutaka Taketani, Shiori Fukuda, [in Japanese], [in Japanese], Masashi ...

2018 Volume 92 Issue 7 Pages 326-327
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_326

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[title in Japanese]

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

2018 Volume 92 Issue 7 Pages 327-328
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_327

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 328-
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_328

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[title in Japanese]

hiroshi ichinose

2018 Volume 92 Issue 7 Pages 329-330
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_329

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 330
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_330_1

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[title in Japanese]

Tanaka Kiyoshi

2018 Volume 92 Issue 7 Pages 330-331
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_330_2

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 331-333
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_331

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 333-334
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_333

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 334-335
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_334

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 336-337
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_336

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[title in Japanese]

Tohru Yoshimura

2018 Volume 92 Issue 7 Pages 337-338
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_337

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[title in Japanese]

Yasuhisa Asano, Daisuke Matsui, Nakano

2018 Volume 92 Issue 7 Pages 338-339
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_338

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[title in Japanese]

Ogawa, [in Japanese], [in Japanese]

2018 Volume 92 Issue 7 Pages 339-340
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_339

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[title in Japanese]

Nosaka, [in Japanese]

2018 Volume 92 Issue 7 Pages 340-341
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_340

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 341-342
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_341

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[title in Japanese]

Suzuki, [in Japanese]

2018 Volume 92 Issue 7 Pages 342-343
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_342

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 343-344
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_343

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 344-345
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_344

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[title in Japanese]

Jahidul Islam, [in Japanese], [in Japanese]

2018 Volume 92 Issue 7 Pages 345-346
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_345

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 346-347
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_346

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[title in Japanese]

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

2018 Volume 92 Issue 7 Pages 347-348
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_347

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[title in Japanese]

[in Japanese]

2018 Volume 92 Issue 7 Pages 348-
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_348

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JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY Vol 64, No 2（April, 2018）

2018 Volume 92 Issue 7 Pages 349-353
Published: 2018
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.20632/vso.92.7_349

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