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Merck

MAK075

Sigma-Aldrich

Ascorbic Acid Assay Kit II

sufficient for 100 colorimetric tests

Sinónimos:

FRASC Assay, Ferric Reducing/Antioxidant and Ascorbic Acid

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About This Item

UNSPSC Code:
12161503
NACRES:
NA.84

usage

sufficient for 100 colorimetric tests

detection method

colorimetric

storage temp.

−20°C

General description

The new Ascorbic Acid Assay Kit, MAK505, is now available! Ascorbic Acid, also known as Vitamin C, is a six-carbon lactone produced by plants and some animal species but not by humans and other primates. Ascorbic acid functions as an enzymatic cofactor for multiple enzymes, serving as an electron donor for monooxygenases and dioxygenases. Ascorbic acid also functions as a powerful antioxidant, particularly in regards to reactive oxygen species.

application

Ascorbic Acid Assay Kit II has been used to determine ascorbic acid concentration in vitreous sample from the eye.

Suitability

Suitable for use with cell and tissue culture supernatants as well as serum, plasma, urine, and other biological fluids.

Principle

In this assay, ascorbic acid concentration is determined using the Ferric Reducing/Antioxidant and Ascorbic Acid (FRASC) assay. Fe3+ is reduced to Fe2+ by antioxidants present in the sample, which results in a colorimetric (593 nm) product. The addition of ascorbate oxidase to parallel samples oxidizes any ascorbic acid present allowing for the measurement of the ascorbic acid concentration.

replaced by

Referencia del producto
Descripción
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Storage Class

10 - Combustible liquids


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