Reductone Interference in Estimation of Vitamin C

Miller, Mabel C.

doi:10.1111/j.1365-2621.1947.tb16426.x

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…The slurry prepared from 1 part of vegetable and 4 parts of 0.5% oxalic acid is said to be stable for a period up to 2 weeks (140). The indophenolxylene extraction procedure has been applied to the determination of ascorbic acid in fresh and prepared fruits and vegetables (250,268,314). Miller (250) points out that nonspecific reducing substances develop more rapidly on storage in foods of low ascorbic acid content than in those of high content.…”

Section: Vitaminsmentioning

confidence: 99%

“…The indophenolxylene extraction procedure has been applied to the determination of ascorbic acid in fresh and prepared fruits and vegetables (250,268,314). Miller (250) points out that nonspecific reducing substances develop more rapidly on storage in foods of low ascorbic acid content than in those of high content. Improved specificity in the indophenol-xylene extraction method is obtained by application of the formaldehyde condensation reaction which, by preventing the reducing action of ascorbic acid, provides a basis for correcting for the action of reductones (311).…”

Section: Vitaminsmentioning

confidence: 99%

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Food

Oser¹

1949

Anal. Chem.

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THE ultimate objectives of the food analyst and the variety of techniques employed to achieve them make this branch of chemistry particularly fascinating. The analytical methods of the food chemist may be applied in the development and enforcement of standards of identity, purity, or value; in problems of decomposition or spoilage under either normal or abnormal storage conditions; in studies designed to improve or control the quality of natural or processed foods; or in the determination of the nutritive value of foods for scientific, dietary, or labeling purposes. Interest in many of these objectives stems directly or indirectly from our federal and state food laws which are probably '

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Section: Vitaminsmentioning

confidence: 99%