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

Postepy higieny i medycyny doswiadczalnej (2003-02-18)
Ewa Kleszczewska
PMID12587430
ABSTRACT

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).

MATERIALS
Product Number
Brand
Product Description
A4403
Sigma-Aldrich
L-Ascorbic acid, powder, suitable for cell culture, γ-irradiated
47863
Supelco
L-Ascorbic acid, analytical standard
255564
Sigma-Aldrich
L-Ascorbic acid, ACS reagent, ≥99%
A7506
Sigma-Aldrich
L-Ascorbic acid, reagent grade, crystalline
A4544
Sigma-Aldrich
L-Ascorbic acid, suitable for cell culture, suitable for plant cell culture, ≥98%
33034
Sigma-Aldrich
L-Ascorbic acid, puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)
A0278
Sigma-Aldrich
L-Ascorbic acid, reagent grade
A92902
Sigma-Aldrich
L-Ascorbic acid, 99%
95210
Sigma-Aldrich
L-Ascorbic acid, puriss. p.a., ≥99.0% (RT)
95209
Sigma-Aldrich
L-Ascorbic acid, BioUltra, ≥99.5% (RT)
A2218
Sigma-Aldrich
L-Ascorbic acid, meets USP testing specifications
57803
Supelco
L-Ascorbic acid, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
95212
Sigma-Aldrich
L-Ascorbic acid, tested according to Ph. Eur.
W210901
Sigma-Aldrich
L-Ascorbic acid, FCC, FG
A5960
Sigma-Aldrich
L-Ascorbic acid, BioXtra, ≥99.0%, crystalline
V900134
Sigma-Aldrich
L-Ascorbic acid, Vetec™, reagent grade, 99%
1043003
USP
Ascorbic acid, United States Pharmacopeia (USP) Reference Standard
PHR1008
Supelco
Ascorbic Acid, Pharmaceutical Secondary Standard; Certified Reference Material
A1300000
Ascorbic acid, European Pharmacopoeia (EP) Reference Standard