noun
- water-soluble protein derivatives produced by the partial hydrolysis of proteins, used in bacterial culture media and nutritional supplements
Usage: biochemistry; microbiology
Examples
- The laboratory technician added peptones to the growth medium to culture the bacteria.
- Peptones provide essential nutrients for microorganisms in petri dishes.
- The researcher prepared a solution containing peptones and other nutrients.
- Commercial peptones are commonly used in microbiology laboratories.
- The bacterial culture required peptones to grow properly.
- Scientists use peptones as a nitrogen source in culture media.