PDA Technical Glossary
PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.
The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the PDA Technical Report Portal.
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Master Seed Stock
Reference culture of a microorganism derived from an authenticated source such as American Type Culture Collection (ATCC) and used to produce working seed lots. (TR51)
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Micro-condensation
The formation of very fine layers of condensation often invisible to the naked eye. (TR51)
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Most Probable Number (MPN) Method
A statistical method of estimating the number of viable organisms suspended in a liquid. (TR51)