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[The role of L-ascorbic acid in free radical reactions].

[The role of L-ascorbic acid in free radical reactions].

Postepy higieny i medycyny doswiadczalnej (2003-02-18)

Ewa Kleszczewska

摘要

L-ascorbic acid is one of the basic vitamins, necessary to the normal growth and behaviour of organisms. The primary of this review is to present the chemical characteristics of this substance and to discuss its relation to various biological functions of vitamin C, mainly as an antioxidant barrier (we analysed product of reaction between phenothiazine derivative and L-ascorbic acid).

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Sigma-Aldrich

L -抗坏血酸, powder, suitable for cell culture, γ-irradiated

Sigma-Aldrich

L -抗坏血酸, BioXtra, ≥99.0%, crystalline

Sigma-Aldrich

L -抗坏血酸, suitable for cell culture, suitable for plant cell culture, ≥98%

Sigma-Aldrich

L -抗坏血酸, 99%

Sigma-Aldrich

L -抗坏血酸, reagent grade, crystalline

Supelco

维生素C, Pharmaceutical Secondary Standard; Certified Reference Material

USP

抗坏血酸, United States Pharmacopeia (USP) Reference Standard

Sigma-Aldrich

L -抗坏血酸, ACS reagent, ≥99%

Supelco

L -抗坏血酸, analytical standard

Sigma-Aldrich

L -抗坏血酸, meets USP testing specifications

Sigma-Aldrich

L -抗坏血酸, reagent grade

Sigma-Aldrich

L -抗坏血酸, puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)

Sigma-Aldrich

L -抗坏血酸, FCC, FG

Sigma-Aldrich

L -抗坏血酸, BioUltra, ≥99.5% (RT)

维生素C, European Pharmacopoeia (EP) Reference Standard

Sigma-Aldrich

L -抗坏血酸, puriss. p.a., ≥99.0% (RT)

Supelco

L -抗坏血酸, certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Sigma-Aldrich

L -抗坏血酸, tested according to Ph. Eur.

Sigma-Aldrich

L -抗坏血酸, Vetec^™, reagent grade, 99%