85-1788-49　Pyridoxine Y Medium (Powder) 1Kg　P9500-04

特徴

• Pyridoxine Y Medium is used for determining pyridoxine concentration using the microbiological assay. Vitamin assay media are prepared for use in the microbiological assay of vitamins.
• Three types of media are used for this purpose:1. Maintenance Media: For carrying the stock culture to preserve the viability and sensitivity of the test organism for its intended purpose2. Inoculum Media: To condition the test culture for immediate use3. Assay Media: To permit quantitation of the vitamin under test. They contain all the factors necessary for optimum growth of the test organism except the single essential vitamin to be determined.
• Pyridoxine Y Medium is patterned after the formulation of Campling and Nixon,1 and modified by Hurley2 and Parrish, Loy and Kline.3 This medium is used in the microbiological assay of pyridoxine using Saccharomyces cerevisiae ATCCTM 9080 as the test organism.
• Appearance:Pale yellow, homogeneous, free flowing powder
• Solubility:Yellow, clear. Slight precipitate may form.
• pH:As Reported