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[Riboflavin Reference Standard (Control 891) of National Institute of Hygienic Sciences]. 1991

M Murai, and H Kakehi, and H Komatsu, and S Ishimitsu, and S Okada

The raw material of riboflavin was examined for the preparation of the "Riboflavin Reference Standard (Control 891)". Analytical data obtained were as follows: melting point, 238.2 degrees C (decomposition); absorbance, E1%1cm = 859 (267 nm), 277 (372 nm), 327 (445 nm); infrared spectrum, same as Riboflavin Reference Standard (Control 872); thin-layer chromatography, 5 impurities were detected; high-performance liquid chromatography, 11 impurities were detected; loss on drying, 0.25%; optical rotation, [alpha]20D = -133.6 degrees; solubility, less than 16 min; assay, 100.1% against Riboflavin Reference Standard (Control 872). Based on the above results, this raw material was authorized to be the Reference Standard of the National Institute of Hygienic Sciences.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D010602 Pharmacopoeias as Topic Works about authoritative treatises on drugs and preparations, their description, formulation, analytic composition, physical constants, main chemical properties used in identification, standards for strength, purity, and dosage, chemical tests for determining identity and purity, etc. Formulary, National,National Formulary,Formularies, National,National Formularies
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D006077 Government Agencies Administrative units of government responsible for policy making and management of governmental activities. Agencies, Government,Agency, Government,Government Agency
D006920 Hygiene The science dealing with the establishment and maintenance of health in the individual and the group. It includes the conditions and practices conducive to health. (Webster, 3d ed)
D012256 Riboflavin Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE. Vitamin B 2,Vitamin G,Vitamin B2
D013055 Spectrophotometry, Infrared Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) IR Spectra,Infrared Spectrophotometry,IR Spectras,Spectra, IR

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