Untitled

Analysis of vitamin C by high-pressure liquid chromatography

“…In addition, many packaged foods are "fortified" with additional vitamin C. Vitamin C is also known to be easily oxidized to the less potent dehydroascorbic acid. Thus vitamin C remains a popular topic in the scientific literature and methods for the determination of vitamin C in many types of food have been reported (1)(2)(3). Vitamin C frequently appears in the popular literature because of controversies over its effectiveness against ailments ranging from the common cold to cancer.…”

Gas chromatography

“…The 1973 applied review issue of Analytical Chemistry cites several hundred references to applications of gas chromatography published during 1971 and 1972 in the fields of air pollution (621), clinical chemistry (305), coatings (834), essential oils and related products (345), food (934), pesticide residues (854), petroleum (480), pharmaceuticals and related drugs (172), high polymers (597), rubber (898), and solid and gaseous fuels (376).…”