B5 Pantothenic Acid Research Articles

DETERMINATION OF FATTY ACIDS AND VITAMINS IN THE ACANTHOPHYLLUM PUNGENS PLANT COMPOSITION

This article presents the results of the quantitative determination of fatty acids and vitamins, contained in Acanthophyllum pungens plants, belonging to the Caryophyllaceae family growing in Khantagi, located near the city of Kentau, Turkestan region. As a result of gas chromatography of fatty acids, obtained as a result of studies of plant materials, it has been found that Acanthophyllum pungens contains 87% of unsaturated fatty acids, and 13% of saturated fatty acids. Saturated fatty acids: myristic, palmitic, stearic, pentadecanoic acids, while unsaturated fatty acids: palmitic, oleic, linoleic, and linolenic acids. As a result of quantitative analysis, it has turned out that oleic and linoleic acids are contained in large quantities, and the content of linolenic acid is much lower. It has been established that the plant Acanthophyllum pungens contains water-soluble B3-nicotinic acid, B5-pantothenic acid, B9-folic acid and vitamins A, C, E. It has also been found that the relatively high content of vitamin B5 (pantothenic acid), and the content of vitamins B6, B1, B2 and D are absent altogether. The phytochemical studies of the aboveground part of the Acanthophyllum pungens plant collected during the budding phase have been carried out in accordance with the methodological recommendations of the State Pharmacopoeia of the Republic of Kazakhstan. Using Clarus-600 gas chromatography, the amount of fatty acids (high-carbon acids) contained in the Acanthophyllum pungens plant has been determined. A qualitative analysis has been carried out by paper chromatography (PC) and gas-liquid chromatography (GC). A certain amount of vitamins and fatty acids of the Acanthophyllum pungens plant has been recommended for the first time.

Contents of selected B vitamins in NIST SRM 3280 multivitamin/multielement tablets by liquid chromatography isotope dilution mass spectrometry

There is increased interest in accurately assessing the total dietary intake of vitamins from all sources, including foods and dietary supplements. Consequently, a Dietary Supplement Ingredient Database (DSID), based upon analytical values, is being established by USDA with support of the Office of Dietary Supplements (ODS), NIH. The DSID necessitated the development of a new SRM, 3280--Multivitamin/Multimineral Tablets, by the National Institute of Standards and Technology (NIST), with support from the ODS. As a continuation of a long-term project to develop and validate new methods of determining water-soluble B vitamins in foods and dietary supplements, and as part of a collaborative effort with NIST to characterize SRM 3280, values for the vitamin contents of SRM 3280 have been generated by a liquid chromatographic isotope dilution mass spectrometric (LC/IDMS) method. Isotope-labeled ((13)C and/or (2)H) B vitamins (B1-thiamine, B6-pyridoxine, B3-nicotinamide, and B5-pantothenic acid) were obtained from commercial sources, with the support of the ODS/NIH. Our LC/IDMS method uses a C18 reversed phase column, an Agilent 1100 HPLC system, and a Quattro Micro triple-quad mass spectrometer (MS). B vitamin determination was achieved using a gradient LC profile combined with MS/MS detection in multiple reaction monitoring mode. Stock solutions of the isotope-labeled vitamins were calibrated against USP standard solutions. The SRM tablets, with added amounts of the four isotope-labeled B vitamins, were extracted and the vitamins simultaneously determined in a single LC run, in contrast with the single-component determinations performed via IDMS. Unknown vitamin concentrations were calculated by comparing the ratios of the integrated LC peaks at the different masses of the unlabeled and labeled vitamins.