All Apex growth media components, including agar, tryptone, yeast extract and peptone are bacteriological and tissue culture grade for maximum efficiency. All products are lot certified to assure consistent results. Apex BioResearch Products chemicals and reagents are manufactured under the industry's most stringent quality control procedures to assure lot-to-lot consistency for reproducible results in your laboratory. Apex products are becoming the standard for the most demanding molecular biologists.

Yeast Extract is a water soluble extract of selected autolyzed yeast cells. It is rich in vitamins, especially B-complexes, amino acids and other growth factors. It is used in many microbiological culture media formulations as an excellent growth source.