use peptone in a sentence.
Is it _pepsin_, the active principle of the gastric juice, which converts proteids into peptone, that is wanting, or is there a deficiency of _pancreatin_?
With weaker doses of antigen and with antigens that are harmless or practically so, such as peptone, the anaphylactic leucocytosis does not last as long but is nevertheless pronounced.
This is because the pancreatic ferment (trypsin) has digested the casein into "peptone," which does not curdle.
To mention examples, blood serum solidified at a suitable temperature is a highly suitable medium, and various media are made with extract of meat as a basis, with the addition of gelatine or agar as solidifying agents and of non-coagulable proteids (commercial "peptone") to make up for proteids lost by coagulation in the preparation.
Two hours later, Neil Noakes scraped a heavily inoculated 4 day culture plate of Helicobacter and dispersed the bacteria in alkaline peptone water a kind of meat broth used to keep bacteria alive.