❓
Frequently Asked Questions
Q
What grades of yeast peptone are available?
Yeast peptone is available in three grades: Industrial Grade, Pharmaceutical Grade, and Reagent Grade. Each grade meets the same core physicochemical standards, with differences in solubility and clarity requirements.
Q
What is the minimum total nitrogen content in yeast peptone?
All grades of yeast peptone must contain a minimum of 7.5% total nitrogen (on dry matter basis), ensuring sufficient nutritional value for microbial culture applications.
Q
Can the product specifications be customized?
Yes. The physicochemical index provided represents general specifications. We can customize product formulations and packaging according to specific customer requirements, including OEM packaging options.
Q
How should yeast peptone be prepared before use?
Yeast peptone should be fully dissolved in the appropriate volume of water and then sterilized before use to ensure safe and effective microbial culture results.
Q
What packaging options are available for yeast peptone?
Standard packaging includes Compound Paper Bags (25kg/bag) and Cardboard Buckets. Reagent-grade products are available in 250g plastic bottles. Custom packaging sizes and OEM packaging are also available upon request.
Q
What is the acceptable pH range for yeast peptone in a 2% solution?
The acceptable pH range for yeast peptone in a 2% solution is 4.5 to 7.5, applicable across all grades (Industrial, Pharmaceutical, and Reagent grade).