1.05391

Malt extract

suitable for microbiology

• Sinónimos: Malt extract, Malt extract powder
• Número de CAS: 8002-48-0
• Número MDL: MFCD00131570
• Código UNSPSC: 41106212
• Número índice de la CE: 232-310-9
• NACRES: NA.74

Propiedades

• origen biológico: plant
• Nivel de calidad: 200
• Formulario: powder
• envase: pkg of 500 g
• condiciones de almacenamiento: protect from light (Store dry and tightly closed)
• color: brownish-yellow Powder
• pH: 4.8 (25 °C, 17 g/L in H₂O, after autoclaving)
• solubilidad: 17 g/L
• densidad aparente: 590 kg/m³
• aplicaciones: microbiology
• temp. de almacenamiento: 15-25°C

Descripción

Descripción general

Malt extract is the water-soluble portion of malted barley. It contains a high content of reduced sugars and lesser nitrogenous constituents. The carbohydrates mainly comprise the disaccharide maltose and fractions of hexoses such as glucose and fructose, the disaccharide sucrose, and other carbohydrates. The nitrogenous components include peptides, amino acids, purines, and vitamins. Malt extract favors the sporulation of molds such as Aspergillus and Penicillium.

Aplicación

Malt Extract is used as a nutritive substrate in mycological media for the propagation of yeasts and molds and test strains in vitamin assays.

Nota de análisis

Appearance (color): brownish-yellow
Appearance (description): fine powder
Identity: passes test
pH-value (2 %; water): 4.5 - 6.0
Sulfated ash (800 °C): ≤ 3.0 %
Loss on Drying (105 °C): ≤ 6.0 %
Suitability for microbiology: passes test

Información de seguridad

• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable