molecular biology reagents used in biolab, Total nitrogen9.5-10.0% Amino acid nitrogen4.0-5.0%; easily disolved in water.

General description

    Yeast extracts is manufactured from fresh high quality yeast. It is a good supplier for all kinds of amino acids, water soluble vitamins especially those belonging to B complex. The quality is analysed by National Institute for the Control of Pharmaceutical and Biological Products, Zhejiang Food Safety Supervision and Inspection Station, Life Science College Testing Center of Peking University. The specifications completely meet the requirements of modern molecular biology, microbiology reagents. It is widely used in the preparation of general culture media, biochmeistry reagent, microrganisme culture medium, testing reagents and lab dedicated reagents. As a microbiological grade reagents, its  application includes molecular biology, gene engineering, antibiotics, pharmaceutical industry, fermentation industry, chemical and biological products. It is also a good nutrient and heallthy seasonings enhancing the delicacy fragrance of the food, making food tastaly.

Appearance

    Light yellow powder                                                                    

Solubility

    It is easy to dissolve in water. The 1.0% water solution is clear, light yellow. The small bubles produced during dissolution wil disappear on standing for 20 minutes. There is no precipitatation under high temperature and high pressure conditions with alkalinity and phosphates.

Specifications

    Total nitrogen9.5-10.0% 

    Amino acid nitrogen4.0-5.0%

    Chloride3.0-5.0%

    pH6.8-7.2 for 1.0% water solution

Storage

    This product is moisture absorbable and should be stored in cool place keeping container tightly closed in a dry and well-ventilated place.

Yeast Extract for microorganism fermentation, biolab use