## Abstract The control of the enrichment levels in foods is difficult, due mainly to the lack of appropriate analytical methodologies. The amounts of the five B‐group vitamins (nicotinamide, nicotinic acid, ribofla‐vin, thiamin, and pyridoxine) have been determined in enriched Brazilian foods by a
Assay of ascorbic acid, thiamine, riboflavin, nicotinamide, and pyridoxine in “hexavit” by HPLC
✍ Scribed by S. Yu. Garmonov; I. A. Salakhov; G. R. Nurislamova; R. N. Ismailova; É. A. Irtuganova; V. F. Sopin
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 95 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0091-150X
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📜 SIMILAR VOLUMES
A high-pressure liquid chromatographic assay was developed for the determination of four water-soluble vitamins: niacinamide, pyridoxine, thiamine, and riboflavin. The four vitamins are assayed simultaneously in multivitamin products not containing minerals. Thiamine currently is not quantitated in
New methods are presented for measuring total vitamin C and the ascorbic acid/dehydroascorbic acid ratio in gastric juice. Extracts are prepared from a gastric juice which are suitable for direct injection onto a Waters Nova-pak C , , Radial-pak cartridge for high performance liquid chromatography (